formbook | 72312625fba0c0237c06eb131c554376df142b4ef0bb514f47e1655b6064948d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 03:37

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General

Target

sgooojg.exe
Size

845KB
MD5

2bb41efdd9b8f255dcdeec400920adba
SHA1

beefa2b2fcae6e57e52f0a87487b5e83c13d83d8
SHA256

6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b
SHA512

bbbd9c0a867338810cd4815050e16c9ac078a8f5efdbd750c0d548c6d500f434f487d71d7645390859b272ac99ca3272e15bc6874913f1668b3d69689d733a26
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLZVTuHkMdv896W6:ffmMv6Ckr7Mny5QLZZ4S6

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3860-6-0x0000000000690000-0x00000000006BF000-memory.dmp	formbook
behavioral2/memory/3860-10-0x0000000000690000-0x00000000006BF000-memory.dmp	formbook
behavioral2/memory/3860-14-0x0000000000690000-0x00000000006BF000-memory.dmp	formbook
behavioral2/memory/1080-21-0x0000000000A00000-0x0000000000A2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 3860	3736	sgooojg.exe	83
PID 3860 set thread context of 3524	3860	svchost.exe	56
PID 3860 set thread context of 3524	3860	svchost.exe	56
PID 1080 set thread context of 3524	1080	explorer.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	sgooojg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe
1080	explorer.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
3736	sgooojg.exe
3736	sgooojg.exe
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
3860	svchost.exe
1080	explorer.exe
1080	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3860	svchost.exe
Token: SeDebugPrivilege	1080	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3736	sgooojg.exe
3736	sgooojg.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3736	sgooojg.exe
3736	sgooojg.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 3860	3736	sgooojg.exe	83
PID 3736 wrote to memory of 3860	3736	sgooojg.exe	83
PID 3736 wrote to memory of 3860	3736	sgooojg.exe	83
PID 3736 wrote to memory of 3860	3736	sgooojg.exe	83
PID 3524 wrote to memory of 1080	3524	Explorer.EXE	85
PID 3524 wrote to memory of 1080	3524	Explorer.EXE	85
PID 3524 wrote to memory of 1080	3524	Explorer.EXE	85
PID 1080 wrote to memory of 1488	1080	explorer.exe	92
PID 1080 wrote to memory of 1488	1080	explorer.exe	92
PID 1080 wrote to memory of 1488	1080	explorer.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\sgooojg.exe
  "C:\Users\Admin\AppData\Local\Temp\sgooojg.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:3736
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\sgooojg.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3860
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:1080
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1488

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

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Downloads

memory/1080-18-0x0000000000DA0000-0x00000000011D3000-memory.dmp

Filesize
4.2MB

Download
memory/1080-21-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/1080-20-0x0000000000DA0000-0x00000000011D3000-memory.dmp

Filesize
4.2MB

Download
memory/3524-16-0x0000000008D90000-0x0000000008F06000-memory.dmp

Filesize
1.5MB

Download
memory/3524-22-0x0000000008D90000-0x0000000008F06000-memory.dmp

Filesize
1.5MB

Download
memory/3524-12-0x000000000AB30000-0x000000000AC5A000-memory.dmp

Filesize
1.2MB

Download
memory/3524-28-0x0000000002C40000-0x0000000002CDB000-memory.dmp

Filesize
620KB

Download
memory/3524-27-0x0000000002C40000-0x0000000002CDB000-memory.dmp

Filesize
620KB

Download
memory/3524-17-0x000000000AB30000-0x000000000AC5A000-memory.dmp

Filesize
1.2MB

Download
memory/3524-25-0x0000000002C40000-0x0000000002CDB000-memory.dmp

Filesize
620KB

Download
memory/3736-5-0x0000000004160000-0x0000000004164000-memory.dmp

Filesize
16KB

Download
memory/3860-14-0x0000000000690000-0x00000000006BF000-memory.dmp

Filesize
188KB

Download
memory/3860-6-0x0000000000690000-0x00000000006BF000-memory.dmp

Filesize
188KB

Download
memory/3860-9-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/3860-11-0x0000000000DC0000-0x0000000000DD4000-memory.dmp

Filesize
80KB

Download
memory/3860-10-0x0000000000690000-0x00000000006BF000-memory.dmp

Filesize
188KB

Download
memory/3860-15-0x0000000002EE0000-0x0000000002EF4000-memory.dmp

Filesize
80KB

Download