formbook | 3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365

General

Target

3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe
Size

628KB
MD5

c7c545bdd0ba6aba5dc454df13b928e4
SHA1

616f2fb37d07cf17c69326fcef5c91005f5b13a0
SHA256

3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365
SHA512

fc4c382d801fd09dbcea48310ee49990544cfd19f9148c741dbc42f3a137affafc8d631cd5e596bf5d550262e7b377fbbd54065af90188d7643b4fe86b14509a
SSDEEP

12288:UwQjvOn6nzx1374EIpk7g47RxiLrZd+mcLBz3YJ3WDN9yoX/:jQj2n6n/Spkn7Rkd+mC13S3wyoX

Score

10^/10

formbook m13o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m13o

Decoy

un20250227-23.fun

mallelectricarsgb.bond

emvmaasbn.pro

ewaraja.xyz

olar-systems-panels-18238.bond

anjau2.cfd

ental-implants-58831.bond

riferrari.shop

ypham-japan.shop

imilarityapi.xyz

ealthywayzone.online

r33bz.online

ureformula.shop

arlsjrmenu.net

ziugsyw.xyz

osmetic-packaging-jobs.click

uaizhan.xyz

99game.xyz

otdrones.shop

rettvollmar.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/2892-13-0x0000000000400000-0x000000000042F000-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
2904	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1360 set thread context of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32

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	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2892	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 2904	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	31
PID 1360 wrote to memory of 2904	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	31
PID 1360 wrote to memory of 2904	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	31
PID 1360 wrote to memory of 2904	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	31
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32
PID 1360 wrote to memory of 2892	1360	3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe	32

C:\Users\Admin\AppData\Local\Temp\3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe
"C:\Users\Admin\AppData\Local\Temp\3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- 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\3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Users\Admin\AppData\Local\Temp\3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe
  "C:\Users\Admin\AppData\Local\Temp\3fbcec3b7e1d2b8efef9e2ab1be54a55e2252166cd357fc2ee9cb42581851365.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2892

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/1360-6-0x0000000004FF0000-0x0000000005068000-memory.dmp

Filesize
480KB

Download
memory/1360-1-0x0000000000DD0000-0x0000000000E74000-memory.dmp

Filesize
656KB

Download
memory/1360-2-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/1360-3-0x0000000000790000-0x00000000007A8000-memory.dmp

Filesize
96KB

Download
memory/1360-4-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1360-5-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/1360-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/1360-14-0x0000000074E20000-0x000000007550E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2892-15-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download

Analysis

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