formbook | a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 13:12

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General

Target

SOA AUG 2024 - CMA CGM.exe
Size

730KB
MD5

47f67ecfb3eb722a3d7aefb8b5ac8b54
SHA1

78da020402a8413cdf7d663a196c9ce46577bdbb
SHA256

a327355ae6e99929d1303a762ea8a936d8e4884f45d683de08dba6882c1c016d
SHA512

6b82898b826ee2fc7b8f1e39c4302cb69fef655bb6cc7389cb8397c8dcca28cbe3a81ec84d96fb1e13692aa833894b1b2ef7c56628685d42853808495a695ca3
SSDEEP

12288:CQq8Tj0Kd+D1fDwAmlhwJogsFRot09s4KlV7N5r:h5f0/8gsFRouu/7NZ

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2772-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2908-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
336	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 340 set thread context of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 2772 set thread context of 1200	2772	vbc.exe	21
PID 2908 set thread context of 1200	2908	chkdsk.exe	21

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA AUG 2024 - CMA CGM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
340	SOA AUG 2024 - CMA CGM.exe
340	SOA AUG 2024 - CMA CGM.exe
340	SOA AUG 2024 - CMA CGM.exe
340	SOA AUG 2024 - CMA CGM.exe
340	SOA AUG 2024 - CMA CGM.exe
340	SOA AUG 2024 - CMA CGM.exe
2772	vbc.exe
2772	vbc.exe
336	powershell.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe
2908	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2772	vbc.exe
2772	vbc.exe
2772	vbc.exe
2908	chkdsk.exe
2908	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	340	SOA AUG 2024 - CMA CGM.exe
Token: SeDebugPrivilege	2772	vbc.exe
Token: SeDebugPrivilege	336	powershell.exe
Token: SeDebugPrivilege	2908	chkdsk.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 336	340	SOA AUG 2024 - CMA CGM.exe	31
PID 340 wrote to memory of 336	340	SOA AUG 2024 - CMA CGM.exe	31
PID 340 wrote to memory of 336	340	SOA AUG 2024 - CMA CGM.exe	31
PID 340 wrote to memory of 336	340	SOA AUG 2024 - CMA CGM.exe	31
PID 340 wrote to memory of 3028	340	SOA AUG 2024 - CMA CGM.exe	32
PID 340 wrote to memory of 3028	340	SOA AUG 2024 - CMA CGM.exe	32
PID 340 wrote to memory of 3028	340	SOA AUG 2024 - CMA CGM.exe	32
PID 340 wrote to memory of 3028	340	SOA AUG 2024 - CMA CGM.exe	32
PID 340 wrote to memory of 2888	340	SOA AUG 2024 - CMA CGM.exe	35
PID 340 wrote to memory of 2888	340	SOA AUG 2024 - CMA CGM.exe	35
PID 340 wrote to memory of 2888	340	SOA AUG 2024 - CMA CGM.exe	35
PID 340 wrote to memory of 2888	340	SOA AUG 2024 - CMA CGM.exe	35
PID 340 wrote to memory of 3052	340	SOA AUG 2024 - CMA CGM.exe	36
PID 340 wrote to memory of 3052	340	SOA AUG 2024 - CMA CGM.exe	36
PID 340 wrote to memory of 3052	340	SOA AUG 2024 - CMA CGM.exe	36
PID 340 wrote to memory of 3052	340	SOA AUG 2024 - CMA CGM.exe	36
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 340 wrote to memory of 2772	340	SOA AUG 2024 - CMA CGM.exe	37
PID 1200 wrote to memory of 2908	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2908	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2908	1200	Explorer.EXE	38
PID 1200 wrote to memory of 2908	1200	Explorer.EXE	38
PID 2908 wrote to memory of 2612	2908	chkdsk.exe	39
PID 2908 wrote to memory of 2612	2908	chkdsk.exe	39
PID 2908 wrote to memory of 2612	2908	chkdsk.exe	39
PID 2908 wrote to memory of 2612	2908	chkdsk.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\SOA AUG 2024 - CMA CGM.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA AUG 2024 - CMA CGM.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tshjuqE.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:336
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tshjuqE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA11.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3028
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2888
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:3052
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\tmpEA11.tmp

Filesize
1KB

MD5
d60bb68eda4423da32615719b0ec1628

SHA1
5c3531b17740b0d8511db0c1225eceb004143fd2

SHA256
9c3afab4dcc9e30ff913e3c61771b4736246b5133bcfcd82e110951792711d77

SHA512
5fb0d14e169195f00694d8e455f4049ca9bc6494c989adedcb8806242575d2629691e72655daf59fef594c6ed26f326836654940b34dd64ca1bb91129dccb301

Download Submit
memory/340-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/340-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/340-3-0x00000000004F0000-0x000000000050E000-memory.dmp

Filesize
120KB

Download
memory/340-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/340-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/340-6-0x0000000000530000-0x00000000005A6000-memory.dmp

Filesize
472KB

Download
memory/340-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/340-1-0x00000000011C0000-0x000000000127C000-memory.dmp

Filesize
752KB

Download
memory/1200-21-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2772-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-23-0x0000000000850000-0x0000000000857000-memory.dmp

Filesize
28KB

Download
memory/2908-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download