formbook | bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 20:29

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General

Target

file.exe
Size

711KB
MD5

edb164a751c9dd9defabe5b4912ffb12
SHA1

d79237920e7447a87082f1bbab77ee54e704479e
SHA256

bb2a13c3f2f32551b00c4173f0cb5baf28cdadf76e4e6b531885a162f7c310c6
SHA512

889f4858b07a2ee35895119e261d98b4bdc862f35cc9aee6500a4465eb3df790693532370cee9ea349a3226cd250a65836a3336cf6c47888f5240130df9af7fb
SSDEEP

12288:3p8XtgNO7LkxA22P4Qd9PbQ8BV5RdYH5cb0azdG9A2MatDX5FAMFfSm2cb54:ZePuA/ZJBlqaQaz89A2ttDX5tt

Score

10^/10

formbook gd04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1536-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1536-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2964-22-0x00000000006A0000-0x00000000006CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 1536	1224	file.exe	91
PID 1536 set thread context of 3436	1536	file.exe	56
PID 2964 set thread context of 3436	2964	svchost.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1224	file.exe
1224	file.exe
1536	file.exe
1536	file.exe
1536	file.exe
1536	file.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe
2964	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1536	file.exe
1536	file.exe
1536	file.exe
2964	svchost.exe
2964	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	file.exe
Token: SeDebugPrivilege	1536	file.exe
Token: SeDebugPrivilege	2964	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 388	1224	file.exe	90
PID 1224 wrote to memory of 388	1224	file.exe	90
PID 1224 wrote to memory of 388	1224	file.exe	90
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 1224 wrote to memory of 1536	1224	file.exe	91
PID 3436 wrote to memory of 2964	3436	Explorer.EXE	92
PID 3436 wrote to memory of 2964	3436	Explorer.EXE	92
PID 3436 wrote to memory of 2964	3436	Explorer.EXE	92
PID 2964 wrote to memory of 5012	2964	svchost.exe	93
PID 2964 wrote to memory of 5012	2964	svchost.exe	93
PID 2964 wrote to memory of 5012	2964	svchost.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    PID:388
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1536
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1224-13-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1224-9-0x0000000009090000-0x000000000910A000-memory.dmp

Filesize
488KB

Download
memory/1224-2-0x0000000007810000-0x0000000007DB4000-memory.dmp

Filesize
5.6MB

Download
memory/1224-3-0x0000000007350000-0x00000000073E2000-memory.dmp

Filesize
584KB

Download
memory/1224-4-0x0000000004910000-0x000000000491A000-memory.dmp

Filesize
40KB

Download
memory/1224-5-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1224-6-0x0000000007700000-0x0000000007718000-memory.dmp

Filesize
96KB

Download
memory/1224-7-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1224-8-0x0000000074AE0000-0x0000000075290000-memory.dmp

Filesize
7.7MB

Download
memory/1224-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

Filesize
4KB

Download
memory/1224-10-0x00000000091B0000-0x000000000924C000-memory.dmp

Filesize
624KB

Download
memory/1224-1-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1536-17-0x0000000000D20000-0x0000000000D34000-memory.dmp

Filesize
80KB

Download
memory/1536-14-0x0000000001210000-0x000000000155A000-memory.dmp

Filesize
3.3MB

Download
memory/1536-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1536-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2964-22-0x00000000006A0000-0x00000000006CF000-memory.dmp

Filesize
188KB

Download
memory/2964-21-0x0000000000930000-0x000000000093E000-memory.dmp

Filesize
56KB

Download
memory/2964-19-0x0000000000930000-0x000000000093E000-memory.dmp

Filesize
56KB

Download
memory/3436-27-0x0000000002640000-0x0000000002737000-memory.dmp

Filesize
988KB

Download
memory/3436-23-0x0000000008260000-0x0000000008402000-memory.dmp

Filesize
1.6MB

Download
memory/3436-18-0x0000000008260000-0x0000000008402000-memory.dmp

Filesize
1.6MB

Download
memory/3436-28-0x0000000002640000-0x0000000002737000-memory.dmp

Filesize
988KB

Download
memory/3436-30-0x0000000002640000-0x0000000002737000-memory.dmp

Filesize
988KB

Download