formbook | c1c9f8bb5456d46da8d8ce22f410eb92b73ed6d8e7b01e3969bb38f33955fa2f

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
16-12-2024 03:32

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General

Target

ship.exe
Size

843KB
MD5

bdf2729b43adc0cfd2163da5251faf8d
SHA1

77d9f7148df3c7e24759842c0b5c1e7e3303afad
SHA256

c1c9f8bb5456d46da8d8ce22f410eb92b73ed6d8e7b01e3969bb38f33955fa2f
SHA512

1bc42b30b436205c8490940dbf1294d48efae5c1d46d37c47233f37a303eb29fa3652323a675278ed414aa3009e8e339ddcd7790266b2e5f1e7d4822c907f3bf
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLUdfX1AINfrm39o77XZH:ffmMv6Ckr7Mny5QL4fCINDm3ufZH

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/1780-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1780-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1584-16-0x0000000000520000-0x000000000054F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2260 set thread context of 1780	2260	ship.exe	83
PID 1780 set thread context of 3500	1780	svchost.exe	56
PID 1584 set thread context of 3500	1584	raserver.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	ship.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1780	svchost.exe
1780	svchost.exe
1780	svchost.exe
1780	svchost.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe
1584	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2260	ship.exe
1780	svchost.exe
1780	svchost.exe
1780	svchost.exe
1584	raserver.exe
1584	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	svchost.exe
Token: SeDebugPrivilege	1584	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2260	ship.exe
2260	ship.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2260	ship.exe
2260	ship.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1780	2260	ship.exe	83
PID 2260 wrote to memory of 1780	2260	ship.exe	83
PID 2260 wrote to memory of 1780	2260	ship.exe	83
PID 2260 wrote to memory of 1780	2260	ship.exe	83
PID 3500 wrote to memory of 1584	3500	Explorer.EXE	84
PID 3500 wrote to memory of 1584	3500	Explorer.EXE	84
PID 3500 wrote to memory of 1584	3500	Explorer.EXE	84
PID 1584 wrote to memory of 1144	1584	raserver.exe	86
PID 1584 wrote to memory of 1144	1584	raserver.exe	86
PID 1584 wrote to memory of 1144	1584	raserver.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\ship.exe
  "C:\Users\Admin\AppData\Local\Temp\ship.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:2260
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\ship.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1780
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:1584
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1144

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

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Downloads

memory/1584-12-0x00000000008D0000-0x00000000008EF000-memory.dmp

Filesize
124KB

Download
memory/1584-15-0x00000000008D0000-0x00000000008EF000-memory.dmp

Filesize
124KB

Download
memory/1584-16-0x0000000000520000-0x000000000054F000-memory.dmp

Filesize
188KB

Download
memory/1780-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1780-7-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/1780-10-0x0000000001AD0000-0x0000000001AE4000-memory.dmp

Filesize
80KB

Download
memory/1780-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2260-5-0x0000000004060000-0x0000000004064000-memory.dmp

Filesize
16KB

Download
memory/3500-11-0x0000000009060000-0x00000000091D7000-memory.dmp

Filesize
1.5MB

Download
memory/3500-20-0x00000000091E0000-0x000000000931B000-memory.dmp

Filesize
1.2MB

Download
memory/3500-21-0x00000000091E0000-0x000000000931B000-memory.dmp

Filesize
1.2MB

Download
memory/3500-23-0x00000000091E0000-0x000000000931B000-memory.dmp

Filesize
1.2MB

Download