formbook | c3d817d19a03cd6e2a27e3fdc85d1b87b789b445fd8c4ae3a9a3d62350b8927c

General

Target

paiement.exe
Size

740KB
MD5

3eee9378f53abfa4a0f14bc2b21444f7
SHA1

1d9600e5889c31bd94eef88437d9b6adfcdef930
SHA256

4624ef5fa24a2459eb8c1504e9bdee4e61e762680ee5bc5f2f52c77f197648fe
SHA512

f9a1a943c8f9bde431302a81b4986cfa376ced72fd5510d7f330d653cc00e5523c993a82e774a01db956da7ee311142b4aadd142970ba9bddb10b2af4b934696
SSDEEP

12288:IgWVFxEViHEmbGqdI5UrPcD/YAp99IwxGoq2uYPnV7tqnZxaFYRwySnUKj:lWVFxEAkmNdImLKAA50oIYPnV7mTKySD

Score

10^/10

formbook m17o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m17o

Decoy

kzqh72.top

arket-obybqq.xyz

afechoice.click

ote-knplpa.xyz

aqgpie.xyz

orker-ornp.xyz

he-beds321.today

ut-nlvv.xyz

31231827.xyz

milymariephotography.net

wquqo.click

veu-where.xyz

mjcpo-pick.xyz

yself-lpnbdl.xyz

austoowagosha.net

ive-wgag.xyz

lay-drift-palace.xyz

old-vubgv.xyz

ideo-shooting-courses.today

ntendsisaiasjazmin.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2836-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

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

pid	Process
2192	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 2836	2440	paiement.exe	31

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2564	2836	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paiement.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paiement.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2192	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2192	2440	paiement.exe	30
PID 2440 wrote to memory of 2192	2440	paiement.exe	30
PID 2440 wrote to memory of 2192	2440	paiement.exe	30
PID 2440 wrote to memory of 2192	2440	paiement.exe	30
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2440 wrote to memory of 2836	2440	paiement.exe	31
PID 2836 wrote to memory of 2564	2836	paiement.exe	33
PID 2836 wrote to memory of 2564	2836	paiement.exe	33
PID 2836 wrote to memory of 2564	2836	paiement.exe	33
PID 2836 wrote to memory of 2564	2836	paiement.exe	33

C:\Users\Admin\AppData\Local\Temp\paiement.exe
"C:\Users\Admin\AppData\Local\Temp\paiement.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- 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\paiement.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2192
- C:\Users\Admin\AppData\Local\Temp\paiement.exe
  "C:\Users\Admin\AppData\Local\Temp\paiement.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2836 -s 36
    3⤵
    - Program crash
    PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2440-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x0000000001320000-0x00000000013E0000-memory.dmp

Filesize
768KB

Download
memory/2440-2-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-3-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/2440-4-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2440-5-0x0000000000940000-0x000000000095C000-memory.dmp

Filesize
112KB

Download
memory/2440-6-0x0000000000A10000-0x0000000000A86000-memory.dmp

Filesize
472KB

Download
memory/2440-13-0x0000000074420000-0x0000000074B0E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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