formbook | 3f33219145e2b4e53731d445ce1e366ac685f092835b8eda50e41e7113014a15

Analysis

max time kernel
150s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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
behavioral1/memory/4576-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/4576-91-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1908-93-0x0000000000A20000-0x0000000000A4F000-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
5376	powershell.exe
4916	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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	RWFkOB6dKcCEKNt.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 4360 set thread context of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4576 set thread context of 3420	4576	vbc.exe	56
PID 4576 set thread context of 3420	4576	vbc.exe	56
PID 1908 set thread context of 3420	1908	NETSTAT.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	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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1908	NETSTAT.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
4080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4360	RWFkOB6dKcCEKNt.exe
4916	powershell.exe
5376	powershell.exe
4916	powershell.exe
4360	RWFkOB6dKcCEKNt.exe
4576	vbc.exe
4576	vbc.exe
4576	vbc.exe
4576	vbc.exe
5376	powershell.exe
4576	vbc.exe
4576	vbc.exe
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE
1908	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4576	vbc.exe
4576	vbc.exe
4576	vbc.exe
4576	vbc.exe
1908	NETSTAT.EXE
1908	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	RWFkOB6dKcCEKNt.exe
Token: SeDebugPrivilege	4916	powershell.exe
Token: SeDebugPrivilege	5376	powershell.exe
Token: SeDebugPrivilege	4576	vbc.exe
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeDebugPrivilege	1908	NETSTAT.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 4916	4360	RWFkOB6dKcCEKNt.exe	94
PID 4360 wrote to memory of 4916	4360	RWFkOB6dKcCEKNt.exe	94
PID 4360 wrote to memory of 4916	4360	RWFkOB6dKcCEKNt.exe	94
PID 4360 wrote to memory of 5376	4360	RWFkOB6dKcCEKNt.exe	96
PID 4360 wrote to memory of 5376	4360	RWFkOB6dKcCEKNt.exe	96
PID 4360 wrote to memory of 5376	4360	RWFkOB6dKcCEKNt.exe	96
PID 4360 wrote to memory of 4080	4360	RWFkOB6dKcCEKNt.exe	98
PID 4360 wrote to memory of 4080	4360	RWFkOB6dKcCEKNt.exe	98
PID 4360 wrote to memory of 4080	4360	RWFkOB6dKcCEKNt.exe	98
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 4360 wrote to memory of 4576	4360	RWFkOB6dKcCEKNt.exe	100
PID 3420 wrote to memory of 1908	3420	Explorer.EXE	101
PID 3420 wrote to memory of 1908	3420	Explorer.EXE	101
PID 3420 wrote to memory of 1908	3420	Explorer.EXE	101
PID 1908 wrote to memory of 744	1908	NETSTAT.EXE	102
PID 1908 wrote to memory of 744	1908	NETSTAT.EXE	102
PID 1908 wrote to memory of 744	1908	NETSTAT.EXE	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.exe
  "C:\Users\Admin\AppData\Local\Temp\RWFkOB6dKcCEKNt.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:4360
- - 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:4916
- - 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:5376
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bbehmlw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9683.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4080
- - 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:4576
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.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:1908
- - 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:744

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

Query Registry

T1012

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\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
f475a75fabca50ffaf07a5ffb3b520c0

SHA1
8a06afc142f19a7a1cc47b779274594fb3a3e128

SHA256
2a747204bc78d78ecd5ec2420a42c8de37a5fb43ec0398f7e38ccfc2faa6b88e

SHA512
aa3d8325c142223c93d40d9e7f596dd85b2779018ecd5ad38c44b78721f57ff3652f6d68e6b3a833163deabc446cc93fb17cfe908dcc9fa5e3e6f86f92b1877b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a1buvmzp.21j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9683.tmp

Filesize
1KB

MD5
ae5db7d70f7a70c54228a055ec93fa9b

SHA1
e62ffe4da87376b240698a561d3988beccfcdfd1

SHA256
306097385a54f72e6031fb2df81e999e53863b1992a5cb3070c0cdd3f703d26c

SHA512
b03410719730bf62fefb04b26e4b7ff684b6428305aa790b0aa4175cf2cb0862581f4367bf9dbefa0116d0cb0a090ccddbe40da1ba0afb338f03ed58697237cc

Download Submit
memory/1908-92-0x0000000000DF0000-0x0000000000DFB000-memory.dmp

Filesize
44KB

Download
memory/1908-93-0x0000000000A20000-0x0000000000A4F000-memory.dmp

Filesize
188KB

Download
memory/3420-95-0x0000000003300000-0x00000000033AF000-memory.dmp

Filesize
700KB

Download
memory/4360-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4360-6-0x00000000052F0000-0x00000000052FA000-memory.dmp

Filesize
40KB

Download
memory/4360-9-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4360-10-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4360-11-0x0000000006800000-0x0000000006878000-memory.dmp

Filesize
480KB

Download
memory/4360-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4360-7-0x0000000006C80000-0x0000000006D12000-memory.dmp

Filesize
584KB

Download
memory/4360-8-0x0000000005650000-0x0000000005662000-memory.dmp

Filesize
72KB

Download
memory/4360-4-0x00000000053C0000-0x000000000545C000-memory.dmp

Filesize
624KB

Download
memory/4360-1-0x00000000009B0000-0x0000000000A52000-memory.dmp

Filesize
648KB

Download
memory/4360-3-0x0000000005320000-0x00000000053B2000-memory.dmp

Filesize
584KB

Download
memory/4360-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/4360-49-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4576-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4576-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4916-17-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-16-0x0000000002160000-0x0000000002196000-memory.dmp

Filesize
216KB

Download
memory/4916-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-30-0x0000000005440000-0x0000000005794000-memory.dmp

Filesize
3.3MB

Download
memory/4916-48-0x0000000005A20000-0x0000000005A3E000-memory.dmp

Filesize
120KB

Download
memory/4916-21-0x0000000004A50000-0x0000000004A72000-memory.dmp

Filesize
136KB

Download
memory/4916-50-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/4916-19-0x0000000004B70000-0x0000000005198000-memory.dmp

Filesize
6.2MB

Download
memory/4916-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-82-0x0000000007100000-0x000000000711A000-memory.dmp

Filesize
104KB

Download
memory/4916-53-0x000000006F530000-0x000000006F57C000-memory.dmp

Filesize
304KB

Download
memory/4916-52-0x00000000069B0000-0x00000000069E2000-memory.dmp

Filesize
200KB

Download
memory/4916-23-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/4916-75-0x0000000007390000-0x0000000007A0A000-memory.dmp

Filesize
6.5MB

Download
memory/4916-89-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4916-78-0x0000000006FC0000-0x0000000007056000-memory.dmp

Filesize
600KB

Download
memory/4916-22-0x0000000004AF0000-0x0000000004B56000-memory.dmp

Filesize
408KB

Download
memory/4916-80-0x0000000006F70000-0x0000000006F7E000-memory.dmp

Filesize
56KB

Download
memory/5376-74-0x0000000007480000-0x0000000007523000-memory.dmp

Filesize
652KB

Download
memory/5376-83-0x00000000078C0000-0x00000000078C8000-memory.dmp

Filesize
32KB

Download
memory/5376-81-0x00000000077E0000-0x00000000077F4000-memory.dmp

Filesize
80KB

Download
memory/5376-79-0x00000000077A0000-0x00000000077B1000-memory.dmp

Filesize
68KB

Download
memory/5376-90-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5376-77-0x0000000007620000-0x000000000762A000-memory.dmp

Filesize
40KB

Download
memory/5376-76-0x00000000075A0000-0x00000000075BA000-memory.dmp

Filesize
104KB

Download
memory/5376-73-0x0000000006840000-0x000000000685E000-memory.dmp

Filesize
120KB

Download
memory/5376-35-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/5376-54-0x000000006F530000-0x000000006F57C000-memory.dmp

Filesize
304KB

Download
memory/5376-34-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download