formbook | 5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1

General

Target

5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
Size

549KB
MD5

15b1d07b7730263710445acc7d3fe916
SHA1

aeeb575c62225475d3098bcb336bf2da83b4f625
SHA256

5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1
SHA512

8578154a6aad6c557afdb7fdeacb9300da6855dce24be4eb11ecfb98d70f1de5b81ac39867c48388ca033e03c2b5f23bf50d00c7f4498f6e33db4b77294d51ff
SSDEEP

12288:p8yM6xjUjr8M1BwIHtexCLuBQobO7B3YFgx2fhyGvJGI:lM6xjUjrwINATyNdxGVY

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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/2240-14-0x0000000000400000-0x000000000042F000-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
2352	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30

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	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
2240	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
2352	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
Token: SeDebugPrivilege	2352	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2352	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	29
PID 1744 wrote to memory of 2352	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	29
PID 1744 wrote to memory of 2352	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	29
PID 1744 wrote to memory of 2352	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	29
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30
PID 1744 wrote to memory of 2240	1744	5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe	30

C:\Users\Admin\AppData\Local\Temp\5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
"C:\Users\Admin\AppData\Local\Temp\5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1744
- 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\5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2352
- C:\Users\Admin\AppData\Local\Temp\5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe
  "C:\Users\Admin\AppData\Local\Temp\5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2240

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/1744-6-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1744-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/1744-3-0x0000000004860000-0x00000000048F4000-memory.dmp

Filesize
592KB

Download
memory/1744-4-0x00000000003A0000-0x00000000003B0000-memory.dmp

Filesize
64KB

Download
memory/1744-5-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/1744-1-0x0000000000920000-0x00000000009B0000-memory.dmp

Filesize
576KB

Download
memory/1744-7-0x00000000052C0000-0x0000000005336000-memory.dmp

Filesize
472KB

Download
memory/1744-16-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2240-15-0x0000000000C80000-0x0000000000F83000-memory.dmp

Filesize
3.0MB

Download
memory/2240-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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