formbook | 439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758

General

Target

439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
Size

656KB
MD5

21439ea18c8518ed0f7e3b94551df520
SHA1

fb49e10c82891b2c6ac90acc2c0a1d4463485953
SHA256

439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758
SHA512

e71f1e222dc044a0a41950a58862abc9f4652dd70e64a77dc14993134fedc8467f147fda12726915cb6afd4b0f1f0d52e14bdc396153c705f02f8930d3782bd0
SSDEEP

12288:xdkIYyOn6nzxmLvraF2UBmNRURd+bSuhh2oDywXlw62C9ygXCw+eAix5I:fY9n6nmv1UBmNmRQbSs2oGYrSBNs6

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/2308-12-0x0000000000400000-0x000000000042F000-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
592	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.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	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2308	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
592	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	592	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 592	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	31
PID 2068 wrote to memory of 592	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	31
PID 2068 wrote to memory of 592	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	31
PID 2068 wrote to memory of 592	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	31
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32
PID 2068 wrote to memory of 2308	2068	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	32

C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
"C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- 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\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:592
- C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
  "C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2308

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/2068-6-0x0000000000F00000-0x0000000000F78000-memory.dmp

Filesize
480KB

Download
memory/2068-1-0x0000000001330000-0x00000000013DA000-memory.dmp

Filesize
680KB

Download
memory/2068-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2068-3-0x00000000004A0000-0x00000000004B8000-memory.dmp

Filesize
96KB

Download
memory/2068-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2068-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2068-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2068-14-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2308-13-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/2308-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2308-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2308-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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