formbook | 244e5247d3d0d26cc55d795ece7230447fd68ebfab783d25eac112e519fa764a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 10:12

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General

Target

Amended Purchhase Order Follow Up.exe
Size

686KB
MD5

3ce1a7e44b4edafafc9e2ac8b3ab3295
SHA1

f35ea88bdd6cc369a640263690855116adeb3f01
SHA256

acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
SHA512

319baa767941b2dd181062b89555e10ebbd30e47fa83683db306baafe5edbb6dae8216bd3f57291733a618da724a5b8005d24b02f0d525d4505694704d9593fa
SSDEEP

12288:hRNk5ea1sMXs8c/jH2MgIQFdSlabXulG1rdtf+nyzu3zE/FC/h2pHcQ/Q:h45D5cb2MEFdSDGRDpzszEw

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
behavioral2/memory/2032-30-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4812-94-0x0000000000510000-0x000000000053F000-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
3576	powershell.exe
4820	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2089655958-977706906-1981639424-1000\Control Panel\International\Geo\Nation	Amended Purchhase Order Follow Up.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 2032 set thread context of 3504	2032	RegSvcs.exe	56
PID 4812 set thread context of 3504	4812	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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Amended Purchhase Order Follow Up.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.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
1184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3096	Amended Purchhase Order Follow Up.exe
4820	powershell.exe
3576	powershell.exe
3096	Amended Purchhase Order Follow Up.exe
2032	RegSvcs.exe
2032	RegSvcs.exe
2032	RegSvcs.exe
2032	RegSvcs.exe
4820	powershell.exe
3576	powershell.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe
4812	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2032	RegSvcs.exe
2032	RegSvcs.exe
2032	RegSvcs.exe
4812	raserver.exe
4812	raserver.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	Amended Purchhase Order Follow Up.exe
Token: SeDebugPrivilege	3576	powershell.exe
Token: SeDebugPrivilege	4820	powershell.exe
Token: SeDebugPrivilege	2032	RegSvcs.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeDebugPrivilege	4812	raserver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 3576	3096	Amended Purchhase Order Follow Up.exe	89
PID 3096 wrote to memory of 3576	3096	Amended Purchhase Order Follow Up.exe	89
PID 3096 wrote to memory of 3576	3096	Amended Purchhase Order Follow Up.exe	89
PID 3096 wrote to memory of 4820	3096	Amended Purchhase Order Follow Up.exe	91
PID 3096 wrote to memory of 4820	3096	Amended Purchhase Order Follow Up.exe	91
PID 3096 wrote to memory of 4820	3096	Amended Purchhase Order Follow Up.exe	91
PID 3096 wrote to memory of 1184	3096	Amended Purchhase Order Follow Up.exe	93
PID 3096 wrote to memory of 1184	3096	Amended Purchhase Order Follow Up.exe	93
PID 3096 wrote to memory of 1184	3096	Amended Purchhase Order Follow Up.exe	93
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3096 wrote to memory of 2032	3096	Amended Purchhase Order Follow Up.exe	95
PID 3504 wrote to memory of 4812	3504	Explorer.EXE	96
PID 3504 wrote to memory of 4812	3504	Explorer.EXE	96
PID 3504 wrote to memory of 4812	3504	Explorer.EXE	96
PID 4812 wrote to memory of 4532	4812	raserver.exe	97
PID 4812 wrote to memory of 4532	4812	raserver.exe	97
PID 4812 wrote to memory of 4532	4812	raserver.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\Amended Purchhase Order Follow Up.exe
  "C:\Users\Admin\AppData\Local\Temp\Amended Purchhase Order Follow Up.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3096
- - 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\Amended Purchhase Order Follow Up.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3576
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TQjwUwdCH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4820
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TQjwUwdCH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB67F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1184
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2032
- 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:4812
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4532

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
282c94af010c5903fbb5ccdda0efa28b

SHA1
b1647c3ad5e5b0159c6ec0ac7b4606d26aedb45c

SHA256
1696871bb9e2131ed80bca740ee7a3840e79db752cad789cf504f7a5e83a5a30

SHA512
b8ec7a87f5c0c6b27551899ce44eb9561ff012ef73586f9b030f1b53e79fccbde493a18bbffae009d07d7d44f149c797ca3e17a4dc68faedd5f5745a1fb4aab9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5gw2jayb.vfa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB67F.tmp

Filesize
1KB

MD5
8801333b1ac4df140f7058347a675260

SHA1
de2fc41f06ae447e6a9221c5e04eaac5c2935ad9

SHA256
4bb9e657c299b854fa380199fd20983f2f6dc260eba7478f7af07cb9f63c7f00

SHA512
1a9870239daa65b55853e3752e93413806fa8dfb8d82cb3156f2d50a596555029c0928659247e674d21df40586d5849d45ecc889434a8c182cb1fdcf2d293d04

Download Submit
memory/2032-30-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3096-8-0x0000000005270000-0x000000000528E000-memory.dmp

Filesize
120KB

Download
memory/3096-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/3096-7-0x00000000066B0000-0x0000000006752000-memory.dmp

Filesize
648KB

Download
memory/3096-5-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

Filesize
40KB

Download
memory/3096-9-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/3096-10-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3096-11-0x0000000006430000-0x00000000064A8000-memory.dmp

Filesize
480KB

Download
memory/3096-1-0x0000000000470000-0x0000000000522000-memory.dmp

Filesize
712KB

Download
memory/3096-0-0x000000007509E000-0x000000007509F000-memory.dmp

Filesize
4KB

Download
memory/3096-4-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3096-6-0x00000000051D0000-0x000000000526C000-memory.dmp

Filesize
624KB

Download
memory/3096-49-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3096-2-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/3504-97-0x00000000030E0000-0x00000000031D1000-memory.dmp

Filesize
964KB

Download
memory/3576-17-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3576-19-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3576-16-0x0000000004E30000-0x0000000004E66000-memory.dmp

Filesize
216KB

Download
memory/3576-23-0x00000000055A0000-0x0000000005606000-memory.dmp

Filesize
408KB

Download
memory/3576-91-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3576-18-0x0000000005620000-0x0000000005C48000-memory.dmp

Filesize
6.2MB

Download
memory/3576-24-0x0000000005C50000-0x0000000005CB6000-memory.dmp

Filesize
408KB

Download
memory/3576-20-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/3576-21-0x0000000005400000-0x0000000005422000-memory.dmp

Filesize
136KB

Download
memory/3576-28-0x0000000005CC0000-0x0000000006014000-memory.dmp

Filesize
3.3MB

Download
memory/3576-84-0x0000000007A20000-0x0000000007A28000-memory.dmp

Filesize
32KB

Download
memory/3576-53-0x0000000007570000-0x00000000075A2000-memory.dmp

Filesize
200KB

Download
memory/3576-54-0x0000000075920000-0x000000007596C000-memory.dmp

Filesize
304KB

Download
memory/3576-73-0x0000000007550000-0x000000000756E000-memory.dmp

Filesize
120KB

Download
memory/3576-81-0x0000000007930000-0x000000000793E000-memory.dmp

Filesize
56KB

Download
memory/3576-76-0x0000000007D40000-0x00000000083BA000-memory.dmp

Filesize
6.5MB

Download
memory/3576-77-0x0000000007700000-0x000000000771A000-memory.dmp

Filesize
104KB

Download
memory/4812-92-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/4812-94-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/4812-93-0x00000000000E0000-0x00000000000FF000-memory.dmp

Filesize
124KB

Download
memory/4820-56-0x0000000075920000-0x000000007596C000-memory.dmp

Filesize
304KB

Download
memory/4820-75-0x0000000007480000-0x0000000007523000-memory.dmp

Filesize
652KB

Download
memory/4820-82-0x0000000007A00000-0x0000000007A14000-memory.dmp

Filesize
80KB

Download
memory/4820-83-0x0000000007B00000-0x0000000007B1A000-memory.dmp

Filesize
104KB

Download
memory/4820-52-0x00000000069D0000-0x0000000006A1C000-memory.dmp

Filesize
304KB

Download
memory/4820-51-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/4820-25-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4820-27-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4820-90-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download
memory/4820-80-0x00000000079C0000-0x00000000079D1000-memory.dmp

Filesize
68KB

Download
memory/4820-79-0x0000000007A40000-0x0000000007AD6000-memory.dmp

Filesize
600KB

Download
memory/4820-78-0x0000000007830000-0x000000000783A000-memory.dmp

Filesize
40KB

Download
memory/4820-26-0x0000000075090000-0x0000000075840000-memory.dmp

Filesize
7.7MB

Download