formbook | a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d

General

Target

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
Size

675KB
MD5

3ae40912766339837da60e6a29e72791
SHA1

f7a3e4560435770745d04a9abf5ae4b88b29f2a9
SHA256

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d
SHA512

88446cbf3de77af430bdd18c0d7932789fbe626b236b318701b3e6b1d362d8ac4f6166c84cc254594efa0be9307af4f11bcb3dcee8792e499239e39ad745ec41
SSDEEP

12288:4nCb+eCSmzZmUpNPGNOCQmO51NvC+lyh8A7/tbRTzJc:4uCBMwhGNxi9l4/Tz

Score

10^/10

formbook g92s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g92s

Decoy

utomation-tools-55205.bond

commerce-99094.bond

ufounoufeng.vip

arkknighttransport.net

et9ja.webcam

75511.vip

afiabmfkrk.online

lluminos.live

egitfxtrade.live

zn-lab.net

implifiedprojects.net

mjsnnn5716.shop

ecurity-service-28490.bond

andy888th.online

dno.xyz

ofl.xyz

enamind.net

ellnessdigitalmedia.store

mcreative.studio

wctoken-v2.icu

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

Processes:

resource	yara_rule
behavioral1/memory/1456-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

description	pid	Process	procid_target
PID 1864 set thread context of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exea31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

pid	Process
1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
1456	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

description	pid	Process
Token: SeDebugPrivilege	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe

description	pid	Process	procid_target
PID 1864 wrote to memory of 2000	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	31
PID 1864 wrote to memory of 2000	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	31
PID 1864 wrote to memory of 2000	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	31
PID 1864 wrote to memory of 2000	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	31
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32
PID 1864 wrote to memory of 1456	1864	a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe	32

C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
"C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
  "C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe"
  2⤵
  PID:2000
- C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe
  "C:\Users\Admin\AppData\Local\Temp\a31bb86950434c10901f781ec299b84323cd6c199b557f39653cdc5557641b6d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1456-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1456-16-0x0000000000B50000-0x0000000000E53000-memory.dmp

Filesize
3.0MB

Download
memory/1456-15-0x0000000000B50000-0x0000000000E53000-memory.dmp

Filesize
3.0MB

Download
memory/1456-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1456-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1456-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1864-3-0x00000000006E0000-0x00000000006FC000-memory.dmp

Filesize
112KB

Download
memory/1864-6-0x00000000049C0000-0x0000000004A38000-memory.dmp

Filesize
480KB

Download
memory/1864-5-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/1864-4-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1864-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/1864-14-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/1864-2-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/1864-1-0x0000000000150000-0x00000000001FE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads