formbook | 126c9f5edc9699a6e47f08444de2c36645c41eacece24e4a1d9df3e11273ee5d

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 02:08

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General

Target

PURCHASE ORDER 07.11.2024.exe
Size

1.1MB
MD5

5bb53c7c310fce5bd2ac3b09170ed353
SHA1

1ede6acee76c6b3d9cdeff2734e828e18aacc988
SHA256

1e8c5faaaa9fd8d718b5ef9875069cbbfaaf3b667b2727aa5f6d45c8a08de94a
SHA512

69f3e6f41bc52b438996ee84a8ad4f81cf2ee3b83fea07a6cd2c87b3525f177d42e5e893cbe127af2d94f4f2a3f5a7e2dd87996b6e180d710b66da4010151f56
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCy4wBoAZ02w7DQxKwa/IyD:7JZoQrbTFZY1iaCy4wh0zExKwKIyD

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/4360-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4360-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2884-12-0x00000000003B0000-0x00000000003DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

PURCHASE ORDER 07.11.2024.exesvchost.exeraserver.exe

description	pid	Process	procid_target
PID 2744 set thread context of 4360	2744	PURCHASE ORDER 07.11.2024.exe	86
PID 4360 set thread context of 3504	4360	svchost.exe	56
PID 2884 set thread context of 3504	2884	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

Processes:

cmd.exePURCHASE ORDER 07.11.2024.exeraserver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PURCHASE ORDER 07.11.2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeraserver.exe

pid	Process
4360	svchost.exe
4360	svchost.exe
4360	svchost.exe
4360	svchost.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe
2884	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PURCHASE ORDER 07.11.2024.exesvchost.exeraserver.exe

pid	Process
2744	PURCHASE ORDER 07.11.2024.exe
4360	svchost.exe
4360	svchost.exe
4360	svchost.exe
2884	raserver.exe
2884	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeraserver.exe

description	pid	Process
Token: SeDebugPrivilege	4360	svchost.exe
Token: SeDebugPrivilege	2884	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

PURCHASE ORDER 07.11.2024.exe

pid	Process
2744	PURCHASE ORDER 07.11.2024.exe
2744	PURCHASE ORDER 07.11.2024.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

PURCHASE ORDER 07.11.2024.exe

pid	Process
2744	PURCHASE ORDER 07.11.2024.exe
2744	PURCHASE ORDER 07.11.2024.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

PURCHASE ORDER 07.11.2024.exeExplorer.EXEraserver.exe

description	pid	Process	procid_target
PID 2744 wrote to memory of 4360	2744	PURCHASE ORDER 07.11.2024.exe	86
PID 2744 wrote to memory of 4360	2744	PURCHASE ORDER 07.11.2024.exe	86
PID 2744 wrote to memory of 4360	2744	PURCHASE ORDER 07.11.2024.exe	86
PID 2744 wrote to memory of 4360	2744	PURCHASE ORDER 07.11.2024.exe	86
PID 3504 wrote to memory of 2884	3504	Explorer.EXE	87
PID 3504 wrote to memory of 2884	3504	Explorer.EXE	87
PID 3504 wrote to memory of 2884	3504	Explorer.EXE	87
PID 2884 wrote to memory of 3092	2884	raserver.exe	92
PID 2884 wrote to memory of 3092	2884	raserver.exe	92
PID 2884 wrote to memory of 3092	2884	raserver.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 07.11.2024.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 07.11.2024.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:2744
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER 07.11.2024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4360
- 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:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3092

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/2744-2-0x00000000043E0000-0x00000000047E0000-memory.dmp

Filesize
4.0MB

Download
memory/2884-9-0x00000000001D0000-0x00000000001EF000-memory.dmp

Filesize
124KB

Download
memory/2884-12-0x00000000003B0000-0x00000000003DF000-memory.dmp

Filesize
188KB

Download
memory/2884-11-0x00000000001D0000-0x00000000001EF000-memory.dmp

Filesize
124KB

Download
memory/3504-13-0x0000000008940000-0x0000000008A89000-memory.dmp

Filesize
1.3MB

Download
memory/3504-8-0x0000000008940000-0x0000000008A89000-memory.dmp

Filesize
1.3MB

Download
memory/3504-17-0x0000000007180000-0x0000000007224000-memory.dmp

Filesize
656KB

Download
memory/3504-18-0x0000000007180000-0x0000000007224000-memory.dmp

Filesize
656KB

Download
memory/3504-20-0x0000000007180000-0x0000000007224000-memory.dmp

Filesize
656KB

Download
memory/4360-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4360-7-0x0000000000C70000-0x0000000000C84000-memory.dmp

Filesize
80KB

Download
memory/4360-4-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4360-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download