formbook | 3f33219145e2b4e53731d445ce1e366ac685f092835b8eda50e41e7113014a15

Analysis

max time kernel
150s
max time network
136s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
19/04/2025, 14:33

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General

Target

RWFkOB6dKcCEKNt.exe
Size

639KB
MD5

e338ac0420228d826826f9afdb49434d
SHA1

eb40be01001791cace6246c363fbb796fff61fc5
SHA256

9948ae75550edf04cbad0aa67a427908d5f5dd86bae12998ff9e4debfc28a645
SHA512

2b149ae5a53dd7dd4244553f2b3abe486397bde120c766765a6af07bc3dd1112c7f6821501b87e1c918fb8ac1b77cc7d21b7e46fa81535d2830d8af974d6dd84
SSDEEP

12288:0/yqIkwVZgZTprxD8yoEGhwVS7raZxhr0AnxzKqOnkkj+S6GjhXmN3i5kXw61GbR:gJIviZfTGhwVSHad4Anxz1GkkaSJIN34

Score

10^/10

formbook hi13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hi13

Decoy

olidspot.shop

aise-your-voice.sbs

9ydygorig3l7z.xyz

netuzio.xyz

erspacehealthandwellness.info

hbnzk.cfd

uklor.shop

tudiofoti.pro

onety.skin

iralavinc.online

teelpath.shop

w-yudfjp.shop

betka.xyz

lx2cbhe5vee0e1.xyz

ndotoverf.pro

loud-sevice.click

enckubs.shop

anpack.shop

nity-3d-development.dev

iaolento12.sbs

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
behavioral2/memory/2088-43-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2088-87-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2720-89-0x0000000000430000-0x000000000045F000-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
1280	powershell.exe
3240	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4804 set thread context of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 2088 set thread context of 3320	2088	vbc.exe	52
PID 2088 set thread context of 3320	2088	vbc.exe	52
PID 2720 set thread context of 3320	2720	ipconfig.exe	52

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	RWFkOB6dKcCEKNt.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	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2720	ipconfig.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
4392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4804	RWFkOB6dKcCEKNt.exe
3240	powershell.exe
1280	powershell.exe
4804	RWFkOB6dKcCEKNt.exe
2088	vbc.exe
2088	vbc.exe
2088	vbc.exe
2088	vbc.exe
3240	powershell.exe
1280	powershell.exe
2088	vbc.exe
2088	vbc.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe
2720	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3320	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2088	vbc.exe
2088	vbc.exe
2088	vbc.exe
2088	vbc.exe
2720	ipconfig.exe
2720	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 55 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	RWFkOB6dKcCEKNt.exe
Token: SeDebugPrivilege	3240	powershell.exe
Token: SeDebugPrivilege	1280	powershell.exe
Token: SeDebugPrivilege	2088	vbc.exe
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeDebugPrivilege	2720	ipconfig.exe
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE
Token: SeShutdownPrivilege	3320	Explorer.EXE
Token: SeCreatePagefilePrivilege	3320	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3240	4804	RWFkOB6dKcCEKNt.exe	78
PID 4804 wrote to memory of 3240	4804	RWFkOB6dKcCEKNt.exe	78
PID 4804 wrote to memory of 3240	4804	RWFkOB6dKcCEKNt.exe	78
PID 4804 wrote to memory of 1280	4804	RWFkOB6dKcCEKNt.exe	80
PID 4804 wrote to memory of 1280	4804	RWFkOB6dKcCEKNt.exe	80
PID 4804 wrote to memory of 1280	4804	RWFkOB6dKcCEKNt.exe	80
PID 4804 wrote to memory of 4392	4804	RWFkOB6dKcCEKNt.exe	82
PID 4804 wrote to memory of 4392	4804	RWFkOB6dKcCEKNt.exe	82
PID 4804 wrote to memory of 4392	4804	RWFkOB6dKcCEKNt.exe	82
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 4804 wrote to memory of 2088	4804	RWFkOB6dKcCEKNt.exe	84
PID 3320 wrote to memory of 2720	3320	Explorer.EXE	86
PID 3320 wrote to memory of 2720	3320	Explorer.EXE	86
PID 3320 wrote to memory of 2720	3320	Explorer.EXE	86
PID 2720 wrote to memory of 5200	2720	ipconfig.exe	87
PID 2720 wrote to memory of 5200	2720	ipconfig.exe	87
PID 2720 wrote to memory of 5200	2720	ipconfig.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe
  "C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4804
- - 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\RWFkOB6dKcCEKNt.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3240
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bbehmlw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1280
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bbehmlw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD64B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4392
- - 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:2088
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3340
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- - 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:5200

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sbnp5igs.xpy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD64B.tmp

Filesize
1KB

MD5
d2f67d9b9dd7733650b3c23e2f96c3c3

SHA1
6d3f4163897bb903b3b667cdaa98c898bdcac195

SHA256
7827603ca4c9627d85ccef2c32de4eda8be84ee06ddc626654d400f184100083

SHA512
768d813e893f6bcb4a282d1fdee1484c6caa97c4b4a74c5236ea602d224452733d66bb8f9188ba9020c8047e387a87a630fdf69574b321ae335f1c9b89942053

Download Submit
memory/1280-51-0x0000000006C70000-0x0000000006CA4000-memory.dmp

Filesize
208KB

Download
memory/1280-52-0x0000000074D10000-0x0000000074D5C000-memory.dmp

Filesize
304KB

Download
memory/1280-85-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/1280-82-0x0000000007100000-0x0000000007108000-memory.dmp

Filesize
32KB

Download
memory/1280-79-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/1280-78-0x0000000007010000-0x0000000007025000-memory.dmp

Filesize
84KB

Download
memory/1280-72-0x0000000007410000-0x0000000007A8A000-memory.dmp

Filesize
6.5MB

Download
memory/1280-73-0x0000000006DC0000-0x0000000006DDA000-memory.dmp

Filesize
104KB

Download
memory/1280-49-0x0000000005A80000-0x0000000005A9E000-memory.dmp

Filesize
120KB

Download
memory/1280-50-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/1280-61-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/1280-62-0x0000000006CB0000-0x0000000006D54000-memory.dmp

Filesize
656KB

Download
memory/1280-47-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/1280-24-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/1280-39-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/2088-43-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2088-87-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-89-0x0000000000430000-0x000000000045F000-memory.dmp

Filesize
188KB

Download
memory/2720-88-0x0000000000460000-0x000000000046B000-memory.dmp

Filesize
44KB

Download
memory/3240-17-0x0000000005A20000-0x000000000604A000-memory.dmp

Filesize
6.2MB

Download
memory/3240-86-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/3240-75-0x0000000007D40000-0x0000000007DD6000-memory.dmp

Filesize
600KB

Download
memory/3240-35-0x00000000062A0000-0x00000000065F7000-memory.dmp

Filesize
3.3MB

Download
memory/3240-23-0x0000000006230000-0x0000000006296000-memory.dmp

Filesize
408KB

Download
memory/3240-19-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/3240-22-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/3240-21-0x00000000059B0000-0x00000000059D2000-memory.dmp

Filesize
136KB

Download
memory/3240-18-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/3240-76-0x0000000007CC0000-0x0000000007CD1000-memory.dmp

Filesize
68KB

Download
memory/3240-63-0x0000000074D10000-0x0000000074D5C000-memory.dmp

Filesize
304KB

Download
memory/3240-16-0x00000000052B0000-0x00000000052E6000-memory.dmp

Filesize
216KB

Download
memory/3240-81-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/3240-80-0x0000000007E00000-0x0000000007E1A000-memory.dmp

Filesize
104KB

Download
memory/3240-77-0x0000000007CF0000-0x0000000007CFE000-memory.dmp

Filesize
56KB

Download
memory/3240-44-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/3240-74-0x0000000007B30000-0x0000000007B3A000-memory.dmp

Filesize
40KB

Download
memory/3320-91-0x0000000007A90000-0x0000000007C24000-memory.dmp

Filesize
1.6MB

Download
memory/4804-8-0x00000000052E0000-0x00000000052F2000-memory.dmp

Filesize
72KB

Download
memory/4804-9-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/4804-7-0x0000000006840000-0x00000000068D2000-memory.dmp

Filesize
584KB

Download
memory/4804-10-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/4804-6-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download
memory/4804-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/4804-11-0x0000000006450000-0x00000000064C8000-memory.dmp

Filesize
480KB

Download
memory/4804-0-0x000000007446E000-0x000000007446F000-memory.dmp

Filesize
4KB

Download
memory/4804-4-0x0000000004FF0000-0x000000000508C000-memory.dmp

Filesize
624KB

Download
memory/4804-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

Filesize
584KB

Download
memory/4804-2-0x0000000005500000-0x0000000005AA6000-memory.dmp

Filesize
5.6MB

Download
memory/4804-1-0x0000000000330000-0x00000000003D2000-memory.dmp

Filesize
648KB

Download
memory/4804-48-0x0000000074460000-0x0000000074C11000-memory.dmp

Filesize
7.7MB

Download