formbook | c3825d126fba5b9662997439e5f20da9fede82e4902172c86632299f7e512d74

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 11:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Purchase Order #PO11774.exe
Size

640KB
MD5

e0d5a1d3be5203913a112da74dde9326
SHA1

9a0c4da5adc288a9921d0ef9103ed27da1e0464d
SHA256

a15006eb6ff449cff64e2df7ed41e85051eb25c0e179b14c9e04f7464ff69bb2
SHA512

44ee9fa209cfc9478bf79c97ea0cd1eaaa6e2301c7ee0228850c1136db3da247fa1902559241e0e726ef4e47d05387aee99c4319e1673b8ada500a4c0b8f1593
SSDEEP

12288:0eQiKaxzulQ0BXdLVymkQwF1712Me7g69MQyCjrED:1Qi5uxBXtVlkQw1jv699JoD

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1648-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/980-28-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2876	powershell.exe
2872	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 1648	2396	Purchase Order #PO11774.exe	37
PID 1648 set thread context of 1200	1648	MSBuild.exe	21
PID 980 set thread context of 1200	980	cmstp.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 6 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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order #PO11774.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2396	Purchase Order #PO11774.exe
2396	Purchase Order #PO11774.exe
1648	MSBuild.exe
1648	MSBuild.exe
2876	powershell.exe
2872	powershell.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe
980	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1200	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1648	MSBuild.exe
1648	MSBuild.exe
1648	MSBuild.exe
980	cmstp.exe
980	cmstp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	Purchase Order #PO11774.exe
Token: SeDebugPrivilege	1648	MSBuild.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	2872	powershell.exe
Token: SeDebugPrivilege	980	cmstp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2876	2396	Purchase Order #PO11774.exe	31
PID 2396 wrote to memory of 2876	2396	Purchase Order #PO11774.exe	31
PID 2396 wrote to memory of 2876	2396	Purchase Order #PO11774.exe	31
PID 2396 wrote to memory of 2876	2396	Purchase Order #PO11774.exe	31
PID 2396 wrote to memory of 2872	2396	Purchase Order #PO11774.exe	33
PID 2396 wrote to memory of 2872	2396	Purchase Order #PO11774.exe	33
PID 2396 wrote to memory of 2872	2396	Purchase Order #PO11774.exe	33
PID 2396 wrote to memory of 2872	2396	Purchase Order #PO11774.exe	33
PID 2396 wrote to memory of 2808	2396	Purchase Order #PO11774.exe	34
PID 2396 wrote to memory of 2808	2396	Purchase Order #PO11774.exe	34
PID 2396 wrote to memory of 2808	2396	Purchase Order #PO11774.exe	34
PID 2396 wrote to memory of 2808	2396	Purchase Order #PO11774.exe	34
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 2396 wrote to memory of 1648	2396	Purchase Order #PO11774.exe	37
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 1200 wrote to memory of 980	1200	Explorer.EXE	38
PID 980 wrote to memory of 2664	980	cmstp.exe	39
PID 980 wrote to memory of 2664	980	cmstp.exe	39
PID 980 wrote to memory of 2664	980	cmstp.exe	39
PID 980 wrote to memory of 2664	980	cmstp.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Purchase Order #PO11774.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order #PO11774.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase Order #PO11774.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QsKldZxyVDfk.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QsKldZxyVDfk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20CA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2808
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1648
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:980
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2664

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp20CA.tmp

Filesize
1KB

MD5
3cc0e3725635f3b81f007bf489c5b220

SHA1
9f3adfa172fcb2fb49b800f95565a4fdd2273af4

SHA256
7e1256265584ff51a6c9707d111d335f4f27beb1c961493b996b293085ab787c

SHA512
4f320c3259a5ac138b21667b7f307ce91b7df9e2bedf01411b504994142ae8b00fff9addf69a3588799c37f1255babe084c8be8d190c20c21d9a87b4554ac7a3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LYH7U1MZGC27F0Y3W8JB.temp

Filesize
7KB

MD5
502e4e7c7e4cb11e0af579e63d29f78e

SHA1
7bac8e11d577c20b2e825f65abbdc8c8a425d22f

SHA256
ce9a5eae9ca52b47c170b05ac89a550a1478739796dd3c3e47a1414b21318b33

SHA512
4d7e0bef50187ba2399a0957a304f0bc9fab2c18419e3740a93f130414843c45c37b963cc63122bd21206d92d42c5fa82ae06c05673e3c93c51b08f08f7761fc

Download Submit
memory/980-28-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/980-27-0x00000000001F0000-0x0000000000208000-memory.dmp

Filesize
96KB

Download
memory/1200-30-0x00000000066E0000-0x000000000681D000-memory.dmp

Filesize
1.2MB

Download
memory/1200-26-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1648-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1648-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1648-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1648-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2396-4-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-5-0x0000000005F80000-0x0000000005FF8000-memory.dmp

Filesize
480KB

Download
memory/2396-24-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2396-3-0x0000000000650000-0x0000000000668000-memory.dmp

Filesize
96KB

Download
memory/2396-2-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-1-0x0000000000C10000-0x0000000000CB4000-memory.dmp

Filesize
656KB

Download