formbook | 17d1f9551ceb2dca9e0e2d3e494d35a5d010c3c491728719bcdf9c514a6db785

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2025, 11:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

B1C90tuveZ9jFGZ.exe
Size

610KB
MD5

dfc7843f6e716725410adffe8c15848f
SHA1

5fb018743a74f72adceb85a27d8f1198482ccdc4
SHA256

6d0a73c255453a2539a63dbeae565abae36b527cd6154691b3c066f3815860ed
SHA512

48b67c99e1177be610a1ec7426e6d9dc11696ab1b86bad1a34d58561638d9b4a706ab1dd26cd653a7007c334d9cd479f6dd7cd998f68cb4483d8fc5fc2ce5c96
SSDEEP

12288:ER7gCRxFNGgFoQOCkRfPehxgoNX356+Vz91fR/BHUhr5woJ+sFOJkR:ERfhoQOCzhv56ozHR/ZGr5woYsx

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/3452-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3452-91-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1604-93-0x0000000000C00000-0x0000000000C2F000-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
1916	powershell.exe
3644	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-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	B1C90tuveZ9jFGZ.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 5240 set thread context of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 3452 set thread context of 3384	3452	vbc.exe	56
PID 3452 set thread context of 3384	3452	vbc.exe	56
PID 1604 set thread context of 3384	1604	ipconfig.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	B1C90tuveZ9jFGZ.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
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
1604	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
3856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
5240	B1C90tuveZ9jFGZ.exe
3644	powershell.exe
1916	powershell.exe
5240	B1C90tuveZ9jFGZ.exe
3452	vbc.exe
1916	powershell.exe
3452	vbc.exe
3452	vbc.exe
3452	vbc.exe
3644	powershell.exe
3452	vbc.exe
3452	vbc.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe
1604	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3384	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3452	vbc.exe
3452	vbc.exe
3452	vbc.exe
3452	vbc.exe
1604	ipconfig.exe
1604	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5240	B1C90tuveZ9jFGZ.exe
Token: SeDebugPrivilege	3644	powershell.exe
Token: SeDebugPrivilege	1916	powershell.exe
Token: SeDebugPrivilege	3452	vbc.exe
Token: SeShutdownPrivilege	3384	Explorer.EXE
Token: SeCreatePagefilePrivilege	3384	Explorer.EXE
Token: SeShutdownPrivilege	3384	Explorer.EXE
Token: SeCreatePagefilePrivilege	3384	Explorer.EXE
Token: SeDebugPrivilege	1604	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3384	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5240 wrote to memory of 3644	5240	B1C90tuveZ9jFGZ.exe	95
PID 5240 wrote to memory of 3644	5240	B1C90tuveZ9jFGZ.exe	95
PID 5240 wrote to memory of 3644	5240	B1C90tuveZ9jFGZ.exe	95
PID 5240 wrote to memory of 1916	5240	B1C90tuveZ9jFGZ.exe	97
PID 5240 wrote to memory of 1916	5240	B1C90tuveZ9jFGZ.exe	97
PID 5240 wrote to memory of 1916	5240	B1C90tuveZ9jFGZ.exe	97
PID 5240 wrote to memory of 3856	5240	B1C90tuveZ9jFGZ.exe	99
PID 5240 wrote to memory of 3856	5240	B1C90tuveZ9jFGZ.exe	99
PID 5240 wrote to memory of 3856	5240	B1C90tuveZ9jFGZ.exe	99
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 5240 wrote to memory of 3452	5240	B1C90tuveZ9jFGZ.exe	101
PID 3384 wrote to memory of 1604	3384	Explorer.EXE	103
PID 3384 wrote to memory of 1604	3384	Explorer.EXE	103
PID 3384 wrote to memory of 1604	3384	Explorer.EXE	103
PID 1604 wrote to memory of 5336	1604	ipconfig.exe	104
PID 1604 wrote to memory of 5336	1604	ipconfig.exe	104
PID 1604 wrote to memory of 5336	1604	ipconfig.exe	104

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:3384
- C:\Users\Admin\AppData\Local\Temp\B1C90tuveZ9jFGZ.exe
  "C:\Users\Admin\AppData\Local\Temp\B1C90tuveZ9jFGZ.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:5240
- - 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\B1C90tuveZ9jFGZ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3644
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tKmAtmGcqvi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1916
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tKmAtmGcqvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8A4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3856
- - 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:3452
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2140
- 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:1604
- - 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:5336

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
86952686aacacdae8f3fc2814b00bab9

SHA1
60c48be57dcbba458ec11f23eb48008ed884e585

SHA256
bcbe5f05bd3e94b5b4c9016f5507b4f6676f35fdf53e1cc311d589d500eafea8

SHA512
251dd1e94e79a6386bf95630c805eb1d6020c628ab86717c53f80ded385a684c70fd55fb3682ec1522ad7614cae120b67547de8d2071d783a36c3cbb3c30ae3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nbozav25.xcf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA8A4.tmp

Filesize
1KB

MD5
69cbf6d6d0d8f70bed8e4cdcc1adac8d

SHA1
e77e326a1289d5e28d9f6eade063c143230b162a

SHA256
4038254eb2dbc21768d5684c392936ecedc09b432f3d82ab9b073090d47675bf

SHA512
6fed9a2c470a2197fd163183e967f43228b720ec0244eabec5a1f241286917b5b6cd23f38fd58bf9529f4ea60de96a41c5c46cfb66c02e5691b05081378db6ab

Download Submit
memory/1604-93-0x0000000000C00000-0x0000000000C2F000-memory.dmp

Filesize
188KB

Download
memory/1604-92-0x0000000000570000-0x000000000057B000-memory.dmp

Filesize
44KB

Download
memory/1916-75-0x0000000008080000-0x00000000086FA000-memory.dmp

Filesize
6.5MB

Download
memory/1916-19-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1916-82-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/1916-81-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/1916-49-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/1916-76-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/1916-74-0x0000000007950000-0x00000000079F3000-memory.dmp

Filesize
652KB

Download
memory/1916-18-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1916-73-0x0000000006CE0000-0x0000000006CFE000-memory.dmp

Filesize
120KB

Download
memory/1916-90-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1916-52-0x0000000007710000-0x0000000007742000-memory.dmp

Filesize
200KB

Download
memory/1916-23-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/1916-53-0x0000000075180000-0x00000000751CC000-memory.dmp

Filesize
304KB

Download
memory/1916-51-0x00000000067B0000-0x00000000067FC000-memory.dmp

Filesize
304KB

Download
memory/3384-95-0x0000000008D30000-0x0000000008E07000-memory.dmp

Filesize
860KB

Download
memory/3452-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3644-45-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3644-77-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

Filesize
40KB

Download
memory/3644-20-0x0000000004C80000-0x0000000004CA2000-memory.dmp

Filesize
136KB

Download
memory/3644-89-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3644-36-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3644-24-0x00000000055E0000-0x0000000005934000-memory.dmp

Filesize
3.3MB

Download
memory/3644-21-0x0000000004D20000-0x0000000004D86000-memory.dmp

Filesize
408KB

Download
memory/3644-54-0x0000000075180000-0x00000000751CC000-memory.dmp

Filesize
304KB

Download
memory/3644-22-0x0000000004D90000-0x0000000004DF6000-memory.dmp

Filesize
408KB

Download
memory/3644-17-0x0000000004E30000-0x0000000005458000-memory.dmp

Filesize
6.2MB

Download
memory/3644-16-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/3644-15-0x0000000004670000-0x00000000046A6000-memory.dmp

Filesize
216KB

Download
memory/3644-83-0x0000000007260000-0x0000000007268000-memory.dmp

Filesize
32KB

Download
memory/3644-80-0x0000000007170000-0x000000000717E000-memory.dmp

Filesize
56KB

Download
memory/3644-78-0x00000000071C0000-0x0000000007256000-memory.dmp

Filesize
600KB

Download
memory/3644-79-0x0000000007140000-0x0000000007151000-memory.dmp

Filesize
68KB

Download
memory/5240-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/5240-9-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/5240-8-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/5240-10-0x0000000006C70000-0x0000000006CEA000-memory.dmp

Filesize
488KB

Download
memory/5240-7-0x0000000005EB0000-0x0000000005EC2000-memory.dmp

Filesize
72KB

Download
memory/5240-6-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/5240-48-0x00000000748D0000-0x0000000075080000-memory.dmp

Filesize
7.7MB

Download
memory/5240-5-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/5240-4-0x0000000005A50000-0x0000000005AEC000-memory.dmp

Filesize
624KB

Download
memory/5240-3-0x00000000059B0000-0x0000000005A42000-memory.dmp

Filesize
584KB

Download
memory/5240-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

Filesize
5.6MB

Download
memory/5240-1-0x0000000000E90000-0x0000000000F2C000-memory.dmp

Filesize
624KB

Download