formbook | ed8e464b52a9d62400ba9b9e39fa37555e4b0db548487f56a5ea89b7bdcf9648

Analysis

max time kernel
146s
max time network
132s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
21-06-2024 01:42

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Report Analysis Logs

General

Target

ed8e464b52a9d62400ba9b9e39fa37555e4b0db548487f56a5ea89b7bdcf9648.rtf
Size

442KB
MD5

5b235feb1c1b78d5277c93bd7b0c2e6e
SHA1

5e9bebe9b3c3b44f03eb12c9484f7e3f5749c687
SHA256

ed8e464b52a9d62400ba9b9e39fa37555e4b0db548487f56a5ea89b7bdcf9648
SHA512

a8e9333c705a1d20b47487455583ce211ba0b497a2a4d120671351a3b4f19eb3346b719b5f5e0ab367fb4ab30b233a73910c5392e26acc014e2ff85509f37b75
SSDEEP

6144:1wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAlnp/bVl7GR:xpy

Score

10^/10

formbook bi09 execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi09

Decoy

fayenterprises.online

anekagaminghk.rest

mina-chan.site

theselfcarefaire.com

progym.app

cherishedtimes.space

gkrp9s016x.icu

api288-s-rtp.online

chikankari.shop

annarosellc.com

lcloud.services

aisuitability.com

sks41.com

7779c1.vip

tunasolution.click

nexbetwin.com

huatless.quest

junroptskdyued.shop

yourwellnesseq.com

zcymc.top

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Detects executables packed with SmartAssembly 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2664-40-0x00000000005C0000-0x00000000005CC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly

resource	yara_rule
behavioral1/memory/2664-40-0x00000000005C0000-0x00000000005CC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2120-47-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2120-53-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/632-57-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 2792 EQNEDT32.EXE
6 2792 EQNEDT32.EXE
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1656 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

obi72811.scrobi72811.scr

pid process

2664 obi72811.scr
2120 obi72811.scr
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

2792 EQNEDT32.EXE
Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe

flow	pid	process
4	2792	EQNEDT32.EXE
6	2792	EQNEDT32.EXE

pid	process
1656	powershell.exe

pid	process
2664	obi72811.scr
2120	obi72811.scr

pid	process
2792	EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

obi72811.scrobi72811.scrcontrol.exe

description	pid	process	target process
PID 2664 set thread context of 2120	2664	obi72811.scr	obi72811.scr
PID 2120 set thread context of 1232	2120	obi72811.scr	Explorer.EXE
PID 2120 set thread context of 1232	2120	obi72811.scr	Explorer.EXE
PID 632 set thread context of 1232	632	control.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2792 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	process
2792	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2024 WINWORD.EXE

pid	process
2024	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

obi72811.scrpowershell.execontrol.exe

pid	process
2120	obi72811.scr
2120	obi72811.scr
1656	powershell.exe
2120	obi72811.scr
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe
632	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

obi72811.scrcontrol.exe

pid process

2120 obi72811.scr
2120 obi72811.scr
2120 obi72811.scr
2120 obi72811.scr
632 control.exe
632 control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

obi72811.scrpowershell.execontrol.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2120	obi72811.scr
Token: SeDebugPrivilege	1656	powershell.exe
Token: SeDebugPrivilege	632	control.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE
Token: SeShutdownPrivilege	1232	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2024 WINWORD.EXE
2024 WINWORD.EXE

pid	process
2024	WINWORD.EXE
2024	WINWORD.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEobi72811.scrExplorer.EXEcontrol.exe

description	pid	process	target process
PID 2792 wrote to memory of 2664	2792	EQNEDT32.EXE	obi72811.scr
PID 2792 wrote to memory of 2664	2792	EQNEDT32.EXE	obi72811.scr
PID 2792 wrote to memory of 2664	2792	EQNEDT32.EXE	obi72811.scr
PID 2792 wrote to memory of 2664	2792	EQNEDT32.EXE	obi72811.scr
PID 2024 wrote to memory of 1612	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1612	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1612	2024	WINWORD.EXE	splwow64.exe
PID 2024 wrote to memory of 1612	2024	WINWORD.EXE	splwow64.exe
PID 2664 wrote to memory of 1656	2664	obi72811.scr	powershell.exe
PID 2664 wrote to memory of 1656	2664	obi72811.scr	powershell.exe
PID 2664 wrote to memory of 1656	2664	obi72811.scr	powershell.exe
PID 2664 wrote to memory of 1656	2664	obi72811.scr	powershell.exe
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 2664 wrote to memory of 2120	2664	obi72811.scr	obi72811.scr
PID 1232 wrote to memory of 632	1232	Explorer.EXE	control.exe
PID 1232 wrote to memory of 632	1232	Explorer.EXE	control.exe
PID 1232 wrote to memory of 632	1232	Explorer.EXE	control.exe
PID 1232 wrote to memory of 632	1232	Explorer.EXE	control.exe
PID 632 wrote to memory of 1756	632	control.exe	cmd.exe
PID 632 wrote to memory of 1756	632	control.exe	cmd.exe
PID 632 wrote to memory of 1756	632	control.exe	cmd.exe
PID 632 wrote to memory of 1756	632	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\ed8e464b52a9d62400ba9b9e39fa37555e4b0db548487f56a5ea89b7bdcf9648.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1612

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Roaming\obi72811.scr"
3⤵
PID:1756

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2792

C:\Users\Admin\AppData\Roaming\obi72811.scr
"C:\Users\Admin\AppData\Roaming\obi72811.scr"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\obi72811.scr"
3⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656

C:\Users\Admin\AppData\Roaming\obi72811.scr
"C:\Users\Admin\AppData\Roaming\obi72811.scr"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2120

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
478b6186de3d6390451c79a0e63f6b1b

SHA1
84ee4020d6f06b5e027e5037e8d435933bbca6c8

SHA256
2ade8dcd7ab9dcf148d1df56a73ff9a8bba254e180b0e49b30e592b774292d42

SHA512
3dbc6484b1bfedea2902e7cad8a7bc0b3bd122ffbb7d7719f93cc65f6db5eb20692d370edccf6268dae0a5bcf5b21e7c2990b13045ee0ce5d8f648aff7dfce3b

Download Submit
\Users\Admin\AppData\Roaming\obi72811.scr
Filesize
632KB

MD5
d476dc60d1746ee9e34f14681eafd5af

SHA1
79835bd94270bd77311e5eee68ad880c6671de4c

SHA256
0a561cc9dbba223ba3501076a6278d83681687d314cae7b1758248dc64f11c31

SHA512
3f4910485e9dbfa09c2f48bbe3f35311429860b0a058e26a881545307d4196d3e3f8830d7d744d4b24224bb28c00c783aebc3d82f92ad9d92da548a84d6686df

Download Submit
memory/632-57-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/632-56-0x0000000000470000-0x000000000048F000-memory.dmp

Filesize
124KB

Download
memory/1232-60-0x0000000009AC0000-0x0000000009BF6000-memory.dmp

Filesize
1.2MB

Download
memory/1232-54-0x0000000007800000-0x0000000007947000-memory.dmp

Filesize
1.3MB

Download
memory/1232-50-0x0000000000350000-0x0000000000450000-memory.dmp

Filesize
1024KB

Download
memory/2024-0-0x000000002F0C1000-0x000000002F0C2000-memory.dmp

Filesize
4KB

Download
memory/2024-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2024-2-0x00000000711FD000-0x0000000071208000-memory.dmp

Filesize
44KB

Download
memory/2024-87-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2024-55-0x00000000711FD000-0x0000000071208000-memory.dmp

Filesize
44KB

Download
memory/2120-47-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-44-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-42-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2120-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-41-0x0000000004E90000-0x0000000004F06000-memory.dmp

Filesize
472KB

Download
memory/2664-40-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/2664-39-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/2664-37-0x0000000000310000-0x0000000000322000-memory.dmp

Filesize
72KB

Download
memory/2664-36-0x00000000046E0000-0x000000000476E000-memory.dmp

Filesize
568KB

Download
memory/2664-31-0x0000000000F70000-0x0000000001010000-memory.dmp

Filesize
640KB

Download
memory/2664-29-0x000000006B3BE000-0x000000006B3BF000-memory.dmp

Filesize
4KB

Download