formbook | 1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 02:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
Size

843KB
MD5

c8bba7889e3dca70a28282c95f3fcf95
SHA1

5e39c826e2d51bd4087c72536fbf7ef9231e8d88
SHA256

1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768
SHA512

8e195c288133e0b0758cfc98853db04fb05686446ecac8fd3cf55cebdf5dbfceed377c98a9ac6a6cdf92d4febf94910bc62d9feea0af390a704a558a561d138c
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL/rDpg6czjwdf:ffmMv6Ckr7Mny5QLDDpEvwdf

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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/4256-6-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/4256-10-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/3172-15-0x0000000000740000-0x000000000076F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 4256	2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe	83
PID 4256 set thread context of 3424	4256	svchost.exe	56
PID 3172 set thread context of 3424	3172	cmmon32.exe	56

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 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	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe
3172	cmmon32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
4256	svchost.exe
4256	svchost.exe
4256	svchost.exe
3172	cmmon32.exe
3172	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	svchost.exe
Token: SeDebugPrivilege	3172	cmmon32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 4256	2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe	83
PID 2752 wrote to memory of 4256	2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe	83
PID 2752 wrote to memory of 4256	2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe	83
PID 2752 wrote to memory of 4256	2752	1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe	83
PID 3424 wrote to memory of 3172	3424	Explorer.EXE	84
PID 3424 wrote to memory of 3172	3424	Explorer.EXE	84
PID 3424 wrote to memory of 3172	3424	Explorer.EXE	84
PID 3172 wrote to memory of 4424	3172	cmmon32.exe	86
PID 3172 wrote to memory of 4424	3172	cmmon32.exe	86
PID 3172 wrote to memory of 4424	3172	cmmon32.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe
  "C:\Users\Admin\AppData\Local\Temp\1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.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:2752
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\1bc12c5ed5caf2fe2ad814e8eb1845491c9fab590996ccdd00902a83fc882768.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4256
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3172
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2752-5-0x0000000001C70000-0x0000000001C74000-memory.dmp

Filesize
16KB

Download
memory/3172-13-0x0000000000250000-0x000000000025C000-memory.dmp

Filesize
48KB

Download
memory/3172-15-0x0000000000740000-0x000000000076F000-memory.dmp

Filesize
188KB

Download
memory/3172-14-0x0000000000250000-0x000000000025C000-memory.dmp

Filesize
48KB

Download
memory/3424-16-0x0000000008940000-0x0000000008AA1000-memory.dmp

Filesize
1.4MB

Download
memory/3424-12-0x0000000008940000-0x0000000008AA1000-memory.dmp

Filesize
1.4MB

Download
memory/3424-20-0x0000000002BC0000-0x0000000002C9D000-memory.dmp

Filesize
884KB

Download
memory/3424-21-0x0000000002BC0000-0x0000000002C9D000-memory.dmp

Filesize
884KB

Download
memory/3424-23-0x0000000002BC0000-0x0000000002C9D000-memory.dmp

Filesize
884KB

Download
memory/4256-10-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download
memory/4256-11-0x0000000000AB0000-0x0000000000AC4000-memory.dmp

Filesize
80KB

Download
memory/4256-9-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/4256-6-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download