formbook | 34f13ac5c8443fbe8575c210ae70d7cfac1fe4516db787e068f0d4df580f5e10

Analysis

max time kernel
147s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 18:02

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General

Target

REVISED SOA 19-03-25 PDF.exe
Size

630KB
MD5

2f2be19e7df6549682b6db140841ef0c
SHA1

46b52ec65561265ed8936cbe1a4fdf417d87d629
SHA256

582c078327541d1459228aebf38c9471b78e3a2c03cb9c375622209221970709
SHA512

9c4e87048ccd46ec60ac80a667384aa15b3dcf04ff5f8242918b1ebb9b9f8cb452c4d1f6d7c0712d8c90f0acc616d50a94cf448e28d8616e03f639e86192affc
SSDEEP

12288:+cTjvOn6nzxQkjZGhGZJd60sqQ0Om1lEWnBynQa44F8+19tNW3:Jj2n6n2ktGhGcVxyyMByQj4F8+19tw

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2508-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2508-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2728-29-0x0000000000090000-0x00000000000BF000-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
2688	powershell.exe
2772	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2864 set thread context of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2508 set thread context of 1196	2508	MSBuild.exe	21
PID 2508 set thread context of 1196	2508	MSBuild.exe	21
PID 2728 set thread context of 1196	2728	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	REVISED SOA 19-03-25 PDF.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
2832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2864	REVISED SOA 19-03-25 PDF.exe
2864	REVISED SOA 19-03-25 PDF.exe
2688	powershell.exe
2508	MSBuild.exe
2772	powershell.exe
2508	MSBuild.exe
2508	MSBuild.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe
2728	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2508	MSBuild.exe
2508	MSBuild.exe
2508	MSBuild.exe
2508	MSBuild.exe
2728	cmstp.exe
2728	cmstp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	REVISED SOA 19-03-25 PDF.exe
Token: SeDebugPrivilege	2688	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2508	MSBuild.exe
Token: SeDebugPrivilege	2728	cmstp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2688	2864	REVISED SOA 19-03-25 PDF.exe	30
PID 2864 wrote to memory of 2688	2864	REVISED SOA 19-03-25 PDF.exe	30
PID 2864 wrote to memory of 2688	2864	REVISED SOA 19-03-25 PDF.exe	30
PID 2864 wrote to memory of 2688	2864	REVISED SOA 19-03-25 PDF.exe	30
PID 2864 wrote to memory of 2772	2864	REVISED SOA 19-03-25 PDF.exe	32
PID 2864 wrote to memory of 2772	2864	REVISED SOA 19-03-25 PDF.exe	32
PID 2864 wrote to memory of 2772	2864	REVISED SOA 19-03-25 PDF.exe	32
PID 2864 wrote to memory of 2772	2864	REVISED SOA 19-03-25 PDF.exe	32
PID 2864 wrote to memory of 2832	2864	REVISED SOA 19-03-25 PDF.exe	34
PID 2864 wrote to memory of 2832	2864	REVISED SOA 19-03-25 PDF.exe	34
PID 2864 wrote to memory of 2832	2864	REVISED SOA 19-03-25 PDF.exe	34
PID 2864 wrote to memory of 2832	2864	REVISED SOA 19-03-25 PDF.exe	34
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 2864 wrote to memory of 2508	2864	REVISED SOA 19-03-25 PDF.exe	36
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 1196 wrote to memory of 2728	1196	Explorer.EXE	37
PID 2728 wrote to memory of 3068	2728	cmstp.exe	38
PID 2728 wrote to memory of 3068	2728	cmstp.exe	38
PID 2728 wrote to memory of 3068	2728	cmstp.exe	38
PID 2728 wrote to memory of 3068	2728	cmstp.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\REVISED SOA 19-03-25 PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\REVISED SOA 19-03-25 PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2864
- - 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\REVISED SOA 19-03-25 PDF.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2688
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TsSurBeHosk.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2772
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TsSurBeHosk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp784B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2832
- - 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:2508
- 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:2728
- - 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:3068

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp784B.tmp

Filesize
1KB

MD5
1170978878b860152bdd384101edf527

SHA1
3732003e453a40faa4b791a47a6a39966d35a6f3

SHA256
3bfb73597a283d8e946ecab50a88bccb8d94d2693b3e57cd20505ec23021a927

SHA512
64ce84175797241c1d740dcf412060306f77a0540c7beddae059c4f8a53d5f00a27ba6b367b0b9232bdfbded84b1958b1694c1c5b13e8a01595abb238af4ef10

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
fb90eeb7888155845d56e838e87dfd58

SHA1
afb9b1bfe8288cb05a0a84645a7586ef769f3f40

SHA256
d9e074d85aca5fe355b9450b8552f4cdb5c37ddeb322ebf698c94f85821b0e14

SHA512
44e56543cde3310f5017f31f28289dd9a1fe879210b2bbf8cc39a903ba725fc1f9b40ac1d706ebd20aa3b027efd00a75c5dff11109eec258d1f1890ef271d6c2

Download Submit
memory/2508-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-29-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2728-28-0x00000000000C0000-0x00000000000D8000-memory.dmp

Filesize
96KB

Download
memory/2864-6-0x0000000004CF0000-0x0000000004D68000-memory.dmp

Filesize
480KB

Download
memory/2864-1-0x00000000001F0000-0x0000000000294000-memory.dmp

Filesize
656KB

Download
memory/2864-25-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2864-2-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-3-0x00000000006E0000-0x00000000006F8000-memory.dmp

Filesize
96KB

Download
memory/2864-5-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-4-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download