formbook | 80b8981399b2ae1ff2daa59de97262c5834ea95669a620fbfe54e603c31dbe6f

General

Target

38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
Size

598KB
MD5

38c1ccf3f07a1f8f315b1c1b96b24ffb
SHA1

2e3fd8d567b6920daf9ce832c8dd6b7460be49eb
SHA256

80b8981399b2ae1ff2daa59de97262c5834ea95669a620fbfe54e603c31dbe6f
SHA512

20ecc621e44cc6c63dc5c053d78461c12286924cadbf878433a4c1b60eb3f1d35699be6a4917166881ea3ddcd3f93ca754fa4dff9c899f45a5eb6629ddcc9b30
SSDEEP

12288:e0w++GXoJOLZJJC3ZridDwlRTwtpcZgQZS+EwxUMF5xPV2BqJO8ukdtTJL:eD++1ONvogDwnwtpegQ4+EXux67nc

Score

10^/10

formbook bopi discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bopi

Decoy

zq4.top

relationship-coach-88497.bond

destekbirimi.xyz

tgh-reg.xyz

pepcapital.net

edunote.media

loans-credits-63765.bond

zhxgtlw.top

rajalele.xyz

ug-tower.asia

agrajter.com

investment-services-44387.bond

yaoxiaocang.fun

23win6.top

used-cars-84168.bond

primesourceglobal.net

indiapostsk.vip

qe2i7cghzpebk.buzz

furniture-27975.bond

fy489tysiot4twoinsr3295y78h.xyz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2456-14-0x0000000000400000-0x000000000042F000-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
2540	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
2456	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
2540	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
Token: SeDebugPrivilege	2540	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2540	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	30
PID 1912 wrote to memory of 2540	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	30
PID 1912 wrote to memory of 2540	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	30
PID 1912 wrote to memory of 2540	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	30
PID 1912 wrote to memory of 2812	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	31
PID 1912 wrote to memory of 2812	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	31
PID 1912 wrote to memory of 2812	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	31
PID 1912 wrote to memory of 2812	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	31
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33
PID 1912 wrote to memory of 2456	1912	38c1ccf3f07a1f8f315b1c1b96b24ffb.exe	33

C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
"C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912
- 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\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
  "C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe"
  2⤵
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe
  "C:\Users\Admin\AppData\Local\Temp\38c1ccf3f07a1f8f315b1c1b96b24ffb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2456

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/1912-6-0x0000000005700000-0x0000000005776000-memory.dmp

Filesize
472KB

Download
memory/1912-1-0x0000000001180000-0x000000000121C000-memory.dmp

Filesize
624KB

Download
memory/1912-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1912-3-0x0000000000410000-0x0000000000420000-memory.dmp

Filesize
64KB

Download
memory/1912-4-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1912-5-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/1912-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/1912-16-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-15-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2456-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2456-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2456-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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