formbook | 3f33219145e2b4e53731d445ce1e366ac685f092835b8eda50e41e7113014a15

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2025, 14:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2528-47-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/5080-93-0x0000000000C00000-0x0000000000C2F000-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
2616	powershell.exe
4248	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-1-5-21-3078542121-369484597-920690335-1000\Control Panel\International\Geo\Nation	RWFkOB6dKcCEKNt.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4996 set thread context of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 2528 set thread context of 3356	2528	vbc.exe	55
PID 5080 set thread context of 3356	5080	NETSTAT.EXE	55

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
5080	NETSTAT.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3078542121-369484597-920690335-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.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
4908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4996	RWFkOB6dKcCEKNt.exe
2616	powershell.exe
2616	powershell.exe
4248	powershell.exe
4248	powershell.exe
4996	RWFkOB6dKcCEKNt.exe
4996	RWFkOB6dKcCEKNt.exe
2528	vbc.exe
2528	vbc.exe
2528	vbc.exe
2528	vbc.exe
2528	vbc.exe
2616	powershell.exe
4248	powershell.exe
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE
5080	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3356	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2528	vbc.exe
2528	vbc.exe
2528	vbc.exe
5080	NETSTAT.EXE
5080	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	4996	RWFkOB6dKcCEKNt.exe
Token: SeDebugPrivilege	2616	powershell.exe
Token: SeDebugPrivilege	4248	powershell.exe
Token: SeDebugPrivilege	2528	vbc.exe
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE
Token: SeDebugPrivilege	5080	NETSTAT.EXE
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE
Token: SeShutdownPrivilege	3356	Explorer.EXE
Token: SeCreatePagefilePrivilege	3356	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3356	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 2616	4996	RWFkOB6dKcCEKNt.exe	96
PID 4996 wrote to memory of 2616	4996	RWFkOB6dKcCEKNt.exe	96
PID 4996 wrote to memory of 2616	4996	RWFkOB6dKcCEKNt.exe	96
PID 4996 wrote to memory of 4248	4996	RWFkOB6dKcCEKNt.exe	98
PID 4996 wrote to memory of 4248	4996	RWFkOB6dKcCEKNt.exe	98
PID 4996 wrote to memory of 4248	4996	RWFkOB6dKcCEKNt.exe	98
PID 4996 wrote to memory of 4908	4996	RWFkOB6dKcCEKNt.exe	100
PID 4996 wrote to memory of 4908	4996	RWFkOB6dKcCEKNt.exe	100
PID 4996 wrote to memory of 4908	4996	RWFkOB6dKcCEKNt.exe	100
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 4996 wrote to memory of 2528	4996	RWFkOB6dKcCEKNt.exe	102
PID 3356 wrote to memory of 5080	3356	Explorer.EXE	103
PID 3356 wrote to memory of 5080	3356	Explorer.EXE	103
PID 3356 wrote to memory of 5080	3356	Explorer.EXE	103
PID 5080 wrote to memory of 5964	5080	NETSTAT.EXE	104
PID 5080 wrote to memory of 5964	5080	NETSTAT.EXE	104
PID 5080 wrote to memory of 5964	5080	NETSTAT.EXE	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3356
- 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:4996
- - 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:2616
- - 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:4248
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bbehmlw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC69C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4908
- - 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:2528
- 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:5080
- - 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:5964

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

Loading Replay Monitor...

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
8ca1fce676bf443be15ae5035b4df1dc

SHA1
44c359fa5de4219c8b0fbe2360285b422c4bd7ea

SHA256
4554a3a9587e1198821b60553126c75ab12f5b5161201641c6772d1c0b547891

SHA512
78dadbea6882a8237ea3630791a0372f0bdca4522c04bc2344ce0ae264ea8a75771e32b6bfe80ec97a9eac868b429d88cae3af00bf1961ec3ecfa72b11faff68

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bgnp2yhn.toz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC69C.tmp

Filesize
1KB

MD5
571c19dd4510db739d16c5269b91dd62

SHA1
937e3319874038a0f69bcf3056c739f24dd079c8

SHA256
b90cd034d858fdcb969997d833c4f56f9fd6db93f7e359e047549a795cb76c9b

SHA512
791a418e374cfc39c79f66d16553af94034bd41d97488890dc33331830aa78e4f6d4199de7592559eb2b8d4407ebeeb6c7ae472fd862e89a81878c2ebfb8f32e

Download Submit
memory/2528-47-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-21-0x0000000004A90000-0x0000000004AB2000-memory.dmp

Filesize
136KB

Download
memory/2616-26-0x00000000053D0000-0x0000000005724000-memory.dmp

Filesize
3.3MB

Download
memory/2616-90-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2616-76-0x0000000006D80000-0x0000000006D9A000-memory.dmp

Filesize
104KB

Download
memory/2616-64-0x00000000753B0000-0x00000000753FC000-memory.dmp

Filesize
304KB

Download
memory/2616-74-0x0000000005F90000-0x0000000005FAE000-memory.dmp

Filesize
120KB

Download
memory/2616-75-0x0000000006AA0000-0x0000000006B43000-memory.dmp

Filesize
652KB

Download
memory/2616-16-0x0000000002170000-0x00000000021A6000-memory.dmp

Filesize
216KB

Download
memory/2616-18-0x0000000004B80000-0x00000000051A8000-memory.dmp

Filesize
6.2MB

Download
memory/2616-17-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2616-19-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2616-37-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2616-24-0x0000000005220000-0x0000000005286000-memory.dmp

Filesize
408KB

Download
memory/2616-22-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/3356-95-0x0000000008870000-0x00000000089C8000-memory.dmp

Filesize
1.3MB

Download
memory/4248-51-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/4248-83-0x0000000007640000-0x000000000765A000-memory.dmp

Filesize
104KB

Download
memory/4248-25-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4248-52-0x00000000061F0000-0x000000000623C000-memory.dmp

Filesize
304KB

Download
memory/4248-20-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4248-91-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4248-46-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4248-78-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/4248-82-0x0000000007540000-0x0000000007554000-memory.dmp

Filesize
80KB

Download
memory/4248-84-0x0000000007620000-0x0000000007628000-memory.dmp

Filesize
32KB

Download
memory/4248-54-0x00000000753B0000-0x00000000753FC000-memory.dmp

Filesize
304KB

Download
memory/4248-81-0x0000000007530000-0x000000000753E000-memory.dmp

Filesize
56KB

Download
memory/4248-80-0x0000000007500000-0x0000000007511000-memory.dmp

Filesize
68KB

Download
memory/4248-77-0x0000000007940000-0x0000000007FBA000-memory.dmp

Filesize
6.5MB

Download
memory/4248-79-0x0000000007580000-0x0000000007616000-memory.dmp

Filesize
600KB

Download
memory/4248-53-0x0000000006F80000-0x0000000006FB2000-memory.dmp

Filesize
200KB

Download
memory/4996-2-0x0000000005960000-0x0000000005F04000-memory.dmp

Filesize
5.6MB

Download
memory/4996-7-0x0000000006BA0000-0x0000000006C32000-memory.dmp

Filesize
584KB

Download
memory/4996-9-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4996-10-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4996-11-0x0000000006780000-0x00000000067F8000-memory.dmp

Filesize
480KB

Download
memory/4996-4-0x00000000052C0000-0x000000000535C000-memory.dmp

Filesize
624KB

Download
memory/4996-8-0x0000000005540000-0x0000000005552000-memory.dmp

Filesize
72KB

Download
memory/4996-5-0x0000000002CA0000-0x0000000002CAA000-memory.dmp

Filesize
40KB

Download
memory/4996-50-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4996-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/4996-6-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4996-1-0x0000000000770000-0x0000000000812000-memory.dmp

Filesize
648KB

Download
memory/4996-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/5080-93-0x0000000000C00000-0x0000000000C2F000-memory.dmp

Filesize
188KB

Download
memory/5080-92-0x00000000005B0000-0x00000000005BB000-memory.dmp

Filesize
44KB

Download