formbook | 9cca5ee417bb9929c186dc8c2daa8f645e23fc7b1c32c0cb18fef77ef728c7ca

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 05:57

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General

Target

Purchase Order Project No.8873_ECOFIX.exe
Size

101KB
MD5

5b93648ff0ed23f7a77cf8ba1c7dfd29
SHA1

4ab10dc761f140b00a880699b5b71d67d000f4b9
SHA256

9cca5ee417bb9929c186dc8c2daa8f645e23fc7b1c32c0cb18fef77ef728c7ca
SHA512

be2c33e988f20a153e0c922b9458c997ca93e349e7127bc83c95cc45d440dc2734870f862c0f7dede4a81f5fa5ecbf6d006aa65a63a7bbb3d38b42ac90df88af
SSDEEP

1536:n8D9sbgCMGEEEEEEEEEEEbEEzEEEbEEEEEEbEEEEEEbEEEEEEbEEEEEEEbEbE3kK:n8D9sbgCM5M7C34gj7

Score

10^/10

formbook b2du persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b2du

Decoy

jaiesgae.online

rorysmysticrodeo.com

wd-freight.net

nfttwinning.com

yuguomall.com

lobotomizai.com

dermatologist-jobs-62886.bond

laineway.com

epistlesmultimedia.com

135w52st30a.com

kqoik2x6me.asia

murinoreactsrf.online

donnarainslegacy.com

maison-roc.com

majestyjewelss.com

suksesbersama.live

skillpraxis.com

lncnln.top

79iwin.top

rentasmoking.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook payload 1 IoCs
rat

Processes:

resource yara_rule

behavioral1/memory/2040-48-0x0000000000400000-0x000000000042F000-memory.dmp formbook

resource	yara_rule
behavioral1/memory/2040-48-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Purchase Order Project No.8873_ECOFIX = "C:\\Users\\Admin\\Documents\\Purchase Order Project No.8873_ECOFIX.pif"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order Project No.8873_ECOFIX.exe

description pid process target process

PID 1900 set thread context of 2040 1900 Purchase Order Project No.8873_ECOFIX.exe Purchase Order Project No.8873_ECOFIX.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2344 2040 WerFault.exe Purchase Order Project No.8873_ECOFIX.exe

description	pid	process	target process
PID 1900 set thread context of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe

pid	pid_target	process	target process
2344	2040	WerFault.exe	Purchase Order Project No.8873_ECOFIX.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

Purchase Order Project No.8873_ECOFIX.exe

pid	process
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe
1900	Purchase Order Project No.8873_ECOFIX.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Purchase Order Project No.8873_ECOFIX.exe

description pid process

Token: SeDebugPrivilege 1900 Purchase Order Project No.8873_ECOFIX.exe

description	pid	process
Token: SeDebugPrivilege	1900	Purchase Order Project No.8873_ECOFIX.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

Purchase Order Project No.8873_ECOFIX.execmd.exePurchase Order Project No.8873_ECOFIX.exe

description	pid	process	target process
PID 1900 wrote to memory of 2620	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2620	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2620	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2620	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 2620 wrote to memory of 2352	2620	cmd.exe	reg.exe
PID 2620 wrote to memory of 2352	2620	cmd.exe	reg.exe
PID 2620 wrote to memory of 2352	2620	cmd.exe	reg.exe
PID 2620 wrote to memory of 2352	2620	cmd.exe	reg.exe
PID 1900 wrote to memory of 2516	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2516	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2516	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2516	1900	Purchase Order Project No.8873_ECOFIX.exe	cmd.exe
PID 1900 wrote to memory of 2988	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2988	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2988	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2988	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 1900 wrote to memory of 2040	1900	Purchase Order Project No.8873_ECOFIX.exe	Purchase Order Project No.8873_ECOFIX.exe
PID 2040 wrote to memory of 2344	2040	Purchase Order Project No.8873_ECOFIX.exe	WerFault.exe
PID 2040 wrote to memory of 2344	2040	Purchase Order Project No.8873_ECOFIX.exe	WerFault.exe
PID 2040 wrote to memory of 2344	2040	Purchase Order Project No.8873_ECOFIX.exe	WerFault.exe
PID 2040 wrote to memory of 2344	2040	Purchase Order Project No.8873_ECOFIX.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\SysWOW64\cmd.exe
cmd /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Purchase Order Project No.8873_ECOFIX" /t REG_SZ /F /D "C:\Users\Admin\Documents\Purchase Order Project No.8873_ECOFIX.pif"
2⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Purchase Order Project No.8873_ECOFIX" /t REG_SZ /F /D "C:\Users\Admin\Documents\Purchase Order Project No.8873_ECOFIX.pif"
3⤵
- Adds Run key to start application
PID:2352

C:\Windows\SysWOW64\cmd.exe
cmd /c Copy "C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe" "C:\Users\Admin\Documents\Purchase Order Project No.8873_ECOFIX.pif"
2⤵
PID:2516

C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe"
2⤵
PID:2988

C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order Project No.8873_ECOFIX.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 36
3⤵
- Program crash
PID:2344

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar35F6.tmp
Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1900-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/1900-1-0x0000000000DA0000-0x0000000000DC0000-memory.dmp

Filesize
128KB

Download
memory/1900-2-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/1900-40-0x00000000008D0000-0x0000000000918000-memory.dmp

Filesize
288KB

Download
memory/1900-49-0x0000000074640000-0x0000000074D2E000-memory.dmp

Filesize
6.9MB

Download
memory/2040-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2040-48-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2040-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2040-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download