formbook | 758be6348766dc3d14c8c122a7ea4967583fb76ea36a4a8ca8e9973eff7b526f

General

Target

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
Size

672KB
MD5

efc1aecb2febb98362434f147e63d852
SHA1

924abf59555a3b57e0a48f5ffb63732ac6969045
SHA256

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a
SHA512

edb6f959093546fcf4b4379d3110c829dc620914cd0680d6166b053520e012fe54833218afd76c3f28eb119c551c650f3251b03af48b244c5116069d73338c37
SSDEEP

12288:gtNR4EoOBKMNHlg5yjFqYG6W0KDyMBu34T9NwdooIqVN5hxhwaJX6gtnSHjP:CoOBrBltZSqtAu34THgamuwX3ajP

Score

10^/10

formbook fs83 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs83

Decoy

blastol.space

tomwalkerisfalco.com

us-sumatrraslimbellytonic.com

drywallandpaintingservice.com

vntapp.net

passportpages.site

at-mim.com

yeondagoods.com

teomanyildirim.com

paygame.site

senze.art

alhandco.com

9831bsej.xyz

traumatic.xyz

sos-soutien.com

thetechnolgy.live

washing-machine-46612.bond

marvsneakers.com

shequbaike.net

xc4f35fg4h35fg4h53.top

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/2604-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe

description	pid	process	target process
PID 1708 set thread context of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2596 2604 WerFault.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2484 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2484 powershell.exe

pid	pid_target	process	target process
2596	2604	WerFault.exe	RegSvcs.exe

pid	process
2484	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2484	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exeRegSvcs.exe

description	pid	process	target process
PID 1708 wrote to memory of 2484	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 1708 wrote to memory of 2484	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 1708 wrote to memory of 2484	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 1708 wrote to memory of 2484	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	powershell.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 1708 wrote to memory of 2604	1708	8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe	RegSvcs.exe
PID 2604 wrote to memory of 2596	2604	RegSvcs.exe	WerFault.exe
PID 2604 wrote to memory of 2596	2604	RegSvcs.exe	WerFault.exe
PID 2604 wrote to memory of 2596	2604	RegSvcs.exe	WerFault.exe
PID 2604 wrote to memory of 2596	2604	RegSvcs.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe
"C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8ab205dc4d6f7c232cf9e2047a6abf4b2bb6425258cefeaf9b05e922c8229c6a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2484

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 36
3⤵
- Program crash
PID:2596

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1708-13-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-1-0x0000000074330000-0x0000000074A1E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-2-0x0000000004F80000-0x0000000004FC0000-memory.dmp

Filesize
256KB

Download
memory/1708-3-0x00000000003D0000-0x00000000003EC000-memory.dmp

Filesize
112KB

Download
memory/1708-4-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/1708-5-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/1708-6-0x0000000004FC0000-0x0000000005036000-memory.dmp

Filesize
472KB

Download
memory/1708-0-0x0000000000A30000-0x0000000000ADA000-memory.dmp

Filesize
680KB

Download
memory/2484-16-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2484-17-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2484-18-0x0000000002570000-0x00000000025B0000-memory.dmp

Filesize
256KB

Download
memory/2484-19-0x0000000002570000-0x00000000025B0000-memory.dmp

Filesize
256KB

Download
memory/2484-20-0x0000000074280000-0x000000007482B000-memory.dmp

Filesize
5.7MB

Download
memory/2604-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2604-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads