formbook | 25128aab1edb1b7db3940787f0ae45722ea36b0a3e2423a155ea5618fab2af85

Analysis

max time kernel
148s
max time network
139s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 15:48

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General

Target

MT103-746394.rtf
Size

465KB
MD5

fd8649f8d7287ef36bdcec7f9b2f98c9
SHA1

3e0d4305545d69aa47e741061adaf2a044d01d0d
SHA256

25128aab1edb1b7db3940787f0ae45722ea36b0a3e2423a155ea5618fab2af85
SHA512

308a4d5bbb969d34e448591e9caa1d4138ae25a2f8573d3f220de1487cb2ac3ebe08b3736d64e7d11f4cd46dbc867a2e5d5db7ceba89e2b382b74fb363863660
SSDEEP

6144:4wAYwAYwAYwAYwAYwAYwAYwAYwAYwAqFm4NvfB/0:T

Score

10^/10

formbook bi09 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
Formbook payload 2 IoCs
rat

Processes:

resource yara_rule

behavioral1/memory/1996-47-0x0000000000400000-0x000000000042F000-memory.dmp formbook
behavioral1/memory/1780-52-0x0000000000110000-0x000000000013F000-memory.dmp formbook
Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 2172 EQNEDT32.EXE
6 2172 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

obious53209.exeobious53209.exe

pid process

2676 obious53209.exe
1996 obious53209.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

2172 EQNEDT32.EXE
2172 EQNEDT32.EXE

resource	yara_rule
behavioral1/memory/1996-47-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1780-52-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

flow	pid	process
4	2172	EQNEDT32.EXE
6	2172	EQNEDT32.EXE

pid	process
2676	obious53209.exe
1996	obious53209.exe

pid	process
2172	EQNEDT32.EXE
2172	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

obious53209.exeobious53209.exeNETSTAT.EXE

description	pid	process	target process
PID 2676 set thread context of 1996	2676	obious53209.exe	obious53209.exe
PID 1996 set thread context of 1224	1996	obious53209.exe	Explorer.EXE
PID 1780 set thread context of 1224	1780	NETSTAT.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
Office loads VBA resources, possible macro or embedded object present
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

NETSTAT.EXE

pid process

1780 NETSTAT.EXE
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

2172 EQNEDT32.EXE

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

pid	process
1780	NETSTAT.EXE

pid	process
2172	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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 MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt	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 HTML Editor\shell\edit	WINWORD.EXE
Key created	\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\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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 MHTML Editor\shell	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
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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\edit\COMMAND	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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2228 WINWORD.EXE

pid	process
2228	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

obious53209.exeNETSTAT.EXE

pid	process
1996	obious53209.exe
1996	obious53209.exe
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE
1780	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

obious53209.exeNETSTAT.EXE

pid process

1996 obious53209.exe
1996 obious53209.exe
1996 obious53209.exe
1780 NETSTAT.EXE
1780 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

obious53209.exeNETSTAT.EXEExplorer.EXE

description pid process

Token: SeDebugPrivilege 1996 obious53209.exe
Token: SeDebugPrivilege 1780 NETSTAT.EXE
Token: SeShutdownPrivilege 1224 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2228 WINWORD.EXE
2228 WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	1996	obious53209.exe
Token: SeDebugPrivilege	1780	NETSTAT.EXE
Token: SeShutdownPrivilege	1224	Explorer.EXE

pid	process
2228	WINWORD.EXE
2228	WINWORD.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEobious53209.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 2172 wrote to memory of 2676	2172	EQNEDT32.EXE	obious53209.exe
PID 2172 wrote to memory of 2676	2172	EQNEDT32.EXE	obious53209.exe
PID 2172 wrote to memory of 2676	2172	EQNEDT32.EXE	obious53209.exe
PID 2172 wrote to memory of 2676	2172	EQNEDT32.EXE	obious53209.exe
PID 2228 wrote to memory of 2928	2228	WINWORD.EXE	splwow64.exe
PID 2228 wrote to memory of 2928	2228	WINWORD.EXE	splwow64.exe
PID 2228 wrote to memory of 2928	2228	WINWORD.EXE	splwow64.exe
PID 2228 wrote to memory of 2928	2228	WINWORD.EXE	splwow64.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 2676 wrote to memory of 1996	2676	obious53209.exe	obious53209.exe
PID 1224 wrote to memory of 1780	1224	Explorer.EXE	NETSTAT.EXE
PID 1224 wrote to memory of 1780	1224	Explorer.EXE	NETSTAT.EXE
PID 1224 wrote to memory of 1780	1224	Explorer.EXE	NETSTAT.EXE
PID 1224 wrote to memory of 1780	1224	Explorer.EXE	NETSTAT.EXE
PID 1780 wrote to memory of 1052	1780	NETSTAT.EXE	cmd.exe
PID 1780 wrote to memory of 1052	1780	NETSTAT.EXE	cmd.exe
PID 1780 wrote to memory of 1052	1780	NETSTAT.EXE	cmd.exe
PID 1780 wrote to memory of 1052	1780	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224

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\MT103-746394.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:2228

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:2928

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Roaming\obious53209.exe"
3⤵
PID:1052

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:2172

C:\Users\Admin\AppData\Roaming\obious53209.exe
"C:\Users\Admin\AppData\Roaming\obious53209.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2676

C:\Users\Admin\AppData\Roaming\obious53209.exe
"C:\Users\Admin\AppData\Roaming\obious53209.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1996

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

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
d59366ce103844bd0d807b3b5063ddd4

SHA1
6d52b0f624bfb1e946a826392f072f85502f6535

SHA256
9b24284c4e64ddf15b740cdde7af7577bfaade8aa77c6be47c6fde30767b1c28

SHA512
9ec21b01ef81ab5ada4d24c9d4d2f608b199a1e0982c8385b015e00a393e1c89a78aa835018622076593106f31e877e51d557234ddd2ecf0cf4162e950c45567

Download Submit
\Users\Admin\AppData\Roaming\obious53209.exe
Filesize
1.0MB

MD5
cfd16b1d1a055adb68a92b7743dcb0e1

SHA1
26463e8ba811f0222829822d2ad12534f9f48932

SHA256
afeb09eceb107f196b5d36cc9e307cadbeaea39f0d6c12f8533d531647587ce3

SHA512
430162c2310280b00da45070da29a31892294796f1cd65fc93688d17d43125f23a73f8fae9ac92a3d96c6c0fb612d5c7bef1fc6acbe5285a44eb3a5590001e9d

Download Submit
memory/1224-50-0x0000000000160000-0x0000000000260000-memory.dmp

Filesize
1024KB

Download
memory/1224-57-0x0000000007720000-0x0000000007898000-memory.dmp

Filesize
1.5MB

Download
memory/1780-52-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download
memory/1780-51-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download
memory/1996-47-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1996-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1996-42-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2228-0-0x000000002FF01000-0x000000002FF02000-memory.dmp

Filesize
4KB

Download
memory/2228-55-0x00000000716ED000-0x00000000716F8000-memory.dmp

Filesize
44KB

Download
memory/2228-2-0x00000000716ED000-0x00000000716F8000-memory.dmp

Filesize
44KB

Download
memory/2228-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2228-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2676-41-0x00000000006E0000-0x0000000000756000-memory.dmp

Filesize
472KB

Download
memory/2676-40-0x0000000000650000-0x000000000065C000-memory.dmp

Filesize
48KB

Download
memory/2676-38-0x0000000000590000-0x00000000005A0000-memory.dmp

Filesize
64KB

Download
memory/2676-33-0x0000000000120000-0x000000000022C000-memory.dmp

Filesize
1.0MB

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