formbook | 3489a2eab1c57d0eee2ce6e5773e1f4f53ee6e5d8963e0099efc7e190d0c2f1c

Resubmissions

16/04/2025, 07:21

250416-h6zttatmw8 3

16/04/2025, 07:17

250416-h4e2mazsey 10

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2025, 07:17

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General

Target

rhdgDI6EiUxMKfh.exe
Size

680KB
MD5

36ae5623c88f6c47b0a161a9f342c936
SHA1

939687646556ad37b9dd14aec43e6326be21e7ce
SHA256

3489a2eab1c57d0eee2ce6e5773e1f4f53ee6e5d8963e0099efc7e190d0c2f1c
SHA512

56b87f662fd41103e224acd263a8a712ad3b8cf16bf3c8e887cf235ef684ce428e79db33e271c056ee9e42bb0a57579e41ae7c09d51e322a2c008a774a9e59d6
SSDEEP

12288:71AK2iN0f2Thrx58BoTGKdCpE19GlWvtxvRL/iVWeoBhJOCrGBpWV05QkR:v1WfKhrr8yT9dl19Gk1xvpBzO7

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/1320-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1248-93-0x0000000000890000-0x00000000008BF000-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
4452	powershell.exe
4580	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-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation	rhdgDI6EiUxMKfh.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 1712 set thread context of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1320 set thread context of 3396	1320	vbc.exe	56
PID 1248 set thread context of 3396	1248	wlanext.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rhdgDI6EiUxMKfh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
4532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1712	rhdgDI6EiUxMKfh.exe
4452	powershell.exe
4580	powershell.exe
1712	rhdgDI6EiUxMKfh.exe
1320	vbc.exe
1320	vbc.exe
1320	vbc.exe
1320	vbc.exe
4452	powershell.exe
4580	powershell.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe
1248	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1320	vbc.exe
1320	vbc.exe
1320	vbc.exe
1248	wlanext.exe
1248	wlanext.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1712	rhdgDI6EiUxMKfh.exe
Token: SeDebugPrivilege	4452	powershell.exe
Token: SeDebugPrivilege	4580	powershell.exe
Token: SeDebugPrivilege	1320	vbc.exe
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeDebugPrivilege	1248	wlanext.exe
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 4452	1712	rhdgDI6EiUxMKfh.exe	93
PID 1712 wrote to memory of 4452	1712	rhdgDI6EiUxMKfh.exe	93
PID 1712 wrote to memory of 4452	1712	rhdgDI6EiUxMKfh.exe	93
PID 1712 wrote to memory of 4580	1712	rhdgDI6EiUxMKfh.exe	95
PID 1712 wrote to memory of 4580	1712	rhdgDI6EiUxMKfh.exe	95
PID 1712 wrote to memory of 4580	1712	rhdgDI6EiUxMKfh.exe	95
PID 1712 wrote to memory of 4532	1712	rhdgDI6EiUxMKfh.exe	97
PID 1712 wrote to memory of 4532	1712	rhdgDI6EiUxMKfh.exe	97
PID 1712 wrote to memory of 4532	1712	rhdgDI6EiUxMKfh.exe	97
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 1712 wrote to memory of 1320	1712	rhdgDI6EiUxMKfh.exe	99
PID 3396 wrote to memory of 1248	3396	Explorer.EXE	100
PID 3396 wrote to memory of 1248	3396	Explorer.EXE	100
PID 3396 wrote to memory of 1248	3396	Explorer.EXE	100
PID 1248 wrote to memory of 3336	1248	wlanext.exe	101
PID 1248 wrote to memory of 3336	1248	wlanext.exe	101
PID 1248 wrote to memory of 3336	1248	wlanext.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\rhdgDI6EiUxMKfh.exe
  "C:\Users\Admin\AppData\Local\Temp\rhdgDI6EiUxMKfh.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:1712
- - 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\rhdgDI6EiUxMKfh.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4452
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TAuTRDzd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4580
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TAuTRDzd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC033.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4532
- - 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:1320
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:1248
- - 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:3336

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

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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
ce859a15619f6d8971d2bae399cf8207

SHA1
ae8a319bb6843d3fc05d5865b5847319f0bd5916

SHA256
6a80fbd00591d80646db6376eae8ec7b9382fdff8698cff3164bf4028d353140

SHA512
63d5151bb73896d039d122226b3528f3e770fe794bfe841ed473eabecacf2488a8b938fe59ca155e0f3e3e56b05f71fdf7584ca0531d9b6869ab34478f29741b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d5da25j1.kfh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC033.tmp

Filesize
1KB

MD5
5cf59b552c6ab0fdb91ac6ca41b38bd8

SHA1
b4e9c2f3af8322f6bf1e18d8d3581e1952d7b38d

SHA256
79a3e131f68469aca2d7ce2d8662617bd6b8e88f575d2ce3ae613c7961e0d008

SHA512
3d5df19020267c4138b956627345be03f603ef17c33717a694f802d29f5bc4b2f7acc161e106ac23426e5044c528029bbfdb0403011b616bbc0a599b52f9308d

Download Submit
memory/1248-93-0x0000000000890000-0x00000000008BF000-memory.dmp

Filesize
188KB

Download
memory/1248-80-0x0000000000860000-0x0000000000877000-memory.dmp

Filesize
92KB

Download
memory/1248-81-0x0000000000860000-0x0000000000877000-memory.dmp

Filesize
92KB

Download
memory/1320-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1712-5-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/1712-9-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/1712-10-0x0000000006540000-0x00000000065B8000-memory.dmp

Filesize
480KB

Download
memory/1712-8-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/1712-7-0x0000000006310000-0x0000000006322000-memory.dmp

Filesize
72KB

Download
memory/1712-6-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/1712-4-0x00000000051F0000-0x000000000528C000-memory.dmp

Filesize
624KB

Download
memory/1712-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/1712-50-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/1712-2-0x0000000005660000-0x0000000005C04000-memory.dmp

Filesize
5.6MB

Download
memory/1712-1-0x0000000000680000-0x000000000072C000-memory.dmp

Filesize
688KB

Download
memory/1712-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3396-95-0x0000000008FB0000-0x0000000009100000-memory.dmp

Filesize
1.3MB

Download
memory/4452-21-0x0000000005050000-0x00000000050B6000-memory.dmp

Filesize
408KB

Download
memory/4452-84-0x00000000074B0000-0x00000000074CA000-memory.dmp

Filesize
104KB

Download
memory/4452-15-0x0000000002530000-0x0000000002566000-memory.dmp

Filesize
216KB

Download
memory/4452-30-0x0000000005830000-0x0000000005B84000-memory.dmp

Filesize
3.3MB

Download
memory/4452-17-0x00000000050E0000-0x0000000005708000-memory.dmp

Filesize
6.2MB

Download
memory/4452-49-0x0000000005E50000-0x0000000005E6E000-memory.dmp

Filesize
120KB

Download
memory/4452-16-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4452-22-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/4452-92-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4452-18-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4452-64-0x000000006F8E0000-0x000000006F92C000-memory.dmp

Filesize
304KB

Download
memory/4452-85-0x0000000007490000-0x0000000007498000-memory.dmp

Filesize
32KB

Download
memory/4452-19-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4452-76-0x0000000007170000-0x000000000718A000-memory.dmp

Filesize
104KB

Download
memory/4452-75-0x00000000077C0000-0x0000000007E3A000-memory.dmp

Filesize
6.5MB

Download
memory/4452-77-0x00000000071E0000-0x00000000071EA000-memory.dmp

Filesize
40KB

Download
memory/4452-78-0x00000000073F0000-0x0000000007486000-memory.dmp

Filesize
600KB

Download
memory/4452-79-0x0000000007370000-0x0000000007381000-memory.dmp

Filesize
68KB

Download
memory/4452-20-0x0000000004FB0000-0x0000000004FD2000-memory.dmp

Filesize
136KB

Download
memory/4580-74-0x00000000069F0000-0x0000000006A93000-memory.dmp

Filesize
652KB

Download
memory/4580-82-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

Filesize
56KB

Download
memory/4580-83-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/4580-36-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4580-63-0x0000000006980000-0x000000000699E000-memory.dmp

Filesize
120KB

Download
memory/4580-88-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4580-52-0x00000000069A0000-0x00000000069D2000-memory.dmp

Filesize
200KB

Download
memory/4580-53-0x000000006F8E0000-0x000000006F92C000-memory.dmp

Filesize
304KB

Download
memory/4580-51-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/4580-31-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4580-28-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download