formbook | 3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d

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
09-11-2024 02:29

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General

Target

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
Size

1.1MB
MD5

eecf032165dcde39848f3f6d24a834b4
SHA1

edf21bb55c53e95b119eef4642ce03c49a077734
SHA256

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d
SHA512

d8b2251cb8f00d6b3f4faa79b4cf663fede83c709e34dddc66e4cc65107f7cf8ca624117ad3a392cfeff65f4db12cd6f7c88594f90a507e37860e3d6e4b91756
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaC42RKRCzOCIs6nyFYB3kV:7JZoQrbTFZY1iaCX6CIR3C

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

Processes:

resource	yara_rule
behavioral2/memory/2512-3-0x00000000001B0000-0x00000000001DF000-memory.dmp	formbook
behavioral2/memory/2512-7-0x00000000001B0000-0x00000000001DF000-memory.dmp	formbook
behavioral2/memory/3004-13-0x00000000008E0000-0x000000000090F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exesvchost.exerundll32.exe

description	pid	Process	procid_target
PID 3672 set thread context of 2512	3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe	86
PID 2512 set thread context of 3532	2512	svchost.exe	56
PID 3004 set thread context of 3532	3004	rundll32.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

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exerundll32.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exerundll32.exe

pid	Process
2512	svchost.exe
2512	svchost.exe
2512	svchost.exe
2512	svchost.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe
3004	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exesvchost.exerundll32.exe

pid	Process
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
2512	svchost.exe
2512	svchost.exe
2512	svchost.exe
3004	rundll32.exe
3004	rundll32.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

svchost.exeExplorer.EXErundll32.exe

description	pid	Process
Token: SeDebugPrivilege	2512	svchost.exe
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE
Token: SeDebugPrivilege	3004	rundll32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exeExplorer.EXE

pid	Process
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
3532	Explorer.EXE
3532	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe

pid	Process
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3532	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exeExplorer.EXErundll32.exe

description	pid	Process	procid_target
PID 3672 wrote to memory of 2512	3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe	86
PID 3672 wrote to memory of 2512	3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe	86
PID 3672 wrote to memory of 2512	3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe	86
PID 3672 wrote to memory of 2512	3672	3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe	86
PID 3532 wrote to memory of 3004	3532	Explorer.EXE	87
PID 3532 wrote to memory of 3004	3532	Explorer.EXE	87
PID 3532 wrote to memory of 3004	3532	Explorer.EXE	87
PID 3004 wrote to memory of 2940	3004	rundll32.exe	93
PID 3004 wrote to memory of 2940	3004	rundll32.exe	93
PID 3004 wrote to memory of 2940	3004	rundll32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Users\Admin\AppData\Local\Temp\3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe
  "C:\Users\Admin\AppData\Local\Temp\3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.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:3672
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\3308846112491d2be14987d952ad5a5f6ce851a97d684ad98a44e29eba803d6d.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2512
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3004
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2940

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/2512-3-0x00000000001B0000-0x00000000001DF000-memory.dmp

Filesize
188KB

Download
memory/2512-6-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/2512-8-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/2512-7-0x00000000001B0000-0x00000000001DF000-memory.dmp

Filesize
188KB

Download
memory/3004-10-0x00000000008A0000-0x00000000008B4000-memory.dmp

Filesize
80KB

Download
memory/3004-12-0x00000000008A0000-0x00000000008B4000-memory.dmp

Filesize
80KB

Download
memory/3004-13-0x00000000008E0000-0x000000000090F000-memory.dmp

Filesize
188KB

Download
memory/3532-9-0x00000000080C0000-0x0000000008197000-memory.dmp

Filesize
860KB

Download
memory/3532-17-0x000000000A4C0000-0x000000000A622000-memory.dmp

Filesize
1.4MB

Download
memory/3532-18-0x000000000A4C0000-0x000000000A622000-memory.dmp

Filesize
1.4MB

Download
memory/3532-20-0x000000000A4C0000-0x000000000A622000-memory.dmp

Filesize
1.4MB

Download
memory/3672-2-0x0000000004190000-0x0000000004390000-memory.dmp

Filesize
2.0MB

Download