formbook | 68812ea5d94f9af1fab9e3b3241390fb7404a4107bf610ca7ba21678cf500d46

Analysis

max time kernel
146s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 12:30

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General

Target

rNew_PO178391922RFQAmended.exe
Size

1.0MB
MD5

6af2e8d3a281642512d1dfc59619f83c
SHA1

7a4fe8bfa3c98873a8d73e2b8054aac34d42f448
SHA256

68812ea5d94f9af1fab9e3b3241390fb7404a4107bf610ca7ba21678cf500d46
SHA512

af2c82e5953be56c3bf020d463f216b7b4ccab1495bfa87a1ab56b31f98bd78c6417793ad8954e974cd2a3a658d1d9cef2a54d47249c01af7f27cbdb25e46598
SSDEEP

24576:au6J33O0c+JY5UZ+XC0kGso6Fa2XWR43fLDfYER/bdGWY:su0c++OCvkGs9Fa2Xq43fffbjY

Score

10^/10

formbook ts49 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ts49

Decoy

aytolljqp.vip

ibnllc.net

impiezasvalladolid.net

reteon.xyz

edeliva.net

qynja.top

eometricdesigns.shop

64784p6.top

odhipoteke.online

ilezjan.net

om-dt02.cyou

xoticgirldrip.net

2livegames.live

ona88.skin

enerator-bcq.xyz

hared-office-4198379.zone

uyer.net

pilirplink.fun

t38asc.net

ntalyaescortking.site

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/4972-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4972-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2464-16-0x00000000012A0000-0x00000000012CF000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4352-6-0x0000000000E10000-0x0000000001210000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4352 set thread context of 4972	4352	rNew_PO178391922RFQAmended.exe	90
PID 4972 set thread context of 3512	4972	svchost.exe	56
PID 2464 set thread context of 3512	2464	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	rNew_PO178391922RFQAmended.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4972	svchost.exe
4972	svchost.exe
4972	svchost.exe
4972	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe
2464	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4352	rNew_PO178391922RFQAmended.exe
4972	svchost.exe
4972	svchost.exe
4972	svchost.exe
2464	svchost.exe
2464	svchost.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	4972	svchost.exe
Token: SeDebugPrivilege	2464	svchost.exe
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4352	rNew_PO178391922RFQAmended.exe
4352	rNew_PO178391922RFQAmended.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4352	rNew_PO178391922RFQAmended.exe
4352	rNew_PO178391922RFQAmended.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3512	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4972	4352	rNew_PO178391922RFQAmended.exe	90
PID 4352 wrote to memory of 4972	4352	rNew_PO178391922RFQAmended.exe	90
PID 4352 wrote to memory of 4972	4352	rNew_PO178391922RFQAmended.exe	90
PID 4352 wrote to memory of 4972	4352	rNew_PO178391922RFQAmended.exe	90
PID 3512 wrote to memory of 2464	3512	Explorer.EXE	91
PID 3512 wrote to memory of 2464	3512	Explorer.EXE	91
PID 3512 wrote to memory of 2464	3512	Explorer.EXE	91
PID 2464 wrote to memory of 3592	2464	svchost.exe	92
PID 2464 wrote to memory of 3592	2464	svchost.exe	92
PID 2464 wrote to memory of 3592	2464	svchost.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.exe
  "C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\rNew_PO178391922RFQAmended.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4972
- 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:2464
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3592

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/2464-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2464-16-0x00000000012A0000-0x00000000012CF000-memory.dmp

Filesize
188KB

Download
memory/2464-13-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3512-17-0x0000000008300000-0x0000000008468000-memory.dmp

Filesize
1.4MB

Download
memory/3512-12-0x0000000008300000-0x0000000008468000-memory.dmp

Filesize
1.4MB

Download
memory/3512-21-0x0000000002EE0000-0x0000000002FB7000-memory.dmp

Filesize
860KB

Download
memory/3512-22-0x0000000002EE0000-0x0000000002FB7000-memory.dmp

Filesize
860KB

Download
memory/3512-24-0x0000000002EE0000-0x0000000002FB7000-memory.dmp

Filesize
860KB

Download
memory/4352-6-0x0000000000E10000-0x0000000001210000-memory.dmp

Filesize
4.0MB

Download
memory/4972-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4972-11-0x00000000014E0000-0x00000000014F5000-memory.dmp

Filesize
84KB

Download
memory/4972-8-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/4972-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download