formbook | 9d3e402ea8bba91daf61c40cdf1d0e8980bc527041c272b6089b194adc423b47

Analysis

max time kernel
149s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2025, 14:29

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 2 IoCs

rat

resource	yara_rule
behavioral5/memory/5232-41-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral5/memory/2096-86-0x0000000000E00000-0x0000000000E2F000-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
3732	powershell.exe
4616	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-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation	B1C90tuveZ9jFGZ.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5492 set thread context of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5232 set thread context of 3508	5232	vbc.exe	56
PID 2096 set thread context of 3508	2096	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	cmd.exe
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	wlanext.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
4756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5492	B1C90tuveZ9jFGZ.exe
4616	powershell.exe
3732	powershell.exe
5492	B1C90tuveZ9jFGZ.exe
5492	B1C90tuveZ9jFGZ.exe
5492	B1C90tuveZ9jFGZ.exe
5232	vbc.exe
5232	vbc.exe
5232	vbc.exe
5232	vbc.exe
3732	powershell.exe
4616	powershell.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe
2096	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5232	vbc.exe
5232	vbc.exe
5232	vbc.exe
2096	wlanext.exe
2096	wlanext.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5492	B1C90tuveZ9jFGZ.exe
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	5232	vbc.exe
Token: SeDebugPrivilege	2096	wlanext.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 5492 wrote to memory of 3732	5492	B1C90tuveZ9jFGZ.exe	88
PID 5492 wrote to memory of 3732	5492	B1C90tuveZ9jFGZ.exe	88
PID 5492 wrote to memory of 3732	5492	B1C90tuveZ9jFGZ.exe	88
PID 5492 wrote to memory of 4616	5492	B1C90tuveZ9jFGZ.exe	90
PID 5492 wrote to memory of 4616	5492	B1C90tuveZ9jFGZ.exe	90
PID 5492 wrote to memory of 4616	5492	B1C90tuveZ9jFGZ.exe	90
PID 5492 wrote to memory of 4756	5492	B1C90tuveZ9jFGZ.exe	92
PID 5492 wrote to memory of 4756	5492	B1C90tuveZ9jFGZ.exe	92
PID 5492 wrote to memory of 4756	5492	B1C90tuveZ9jFGZ.exe	92
PID 5492 wrote to memory of 2640	5492	B1C90tuveZ9jFGZ.exe	94
PID 5492 wrote to memory of 2640	5492	B1C90tuveZ9jFGZ.exe	94
PID 5492 wrote to memory of 2640	5492	B1C90tuveZ9jFGZ.exe	94
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 5492 wrote to memory of 5232	5492	B1C90tuveZ9jFGZ.exe	95
PID 3508 wrote to memory of 2096	3508	Explorer.EXE	96
PID 3508 wrote to memory of 2096	3508	Explorer.EXE	96
PID 3508 wrote to memory of 2096	3508	Explorer.EXE	96
PID 2096 wrote to memory of 4080	2096	wlanext.exe	97
PID 2096 wrote to memory of 4080	2096	wlanext.exe	97
PID 2096 wrote to memory of 4080	2096	wlanext.exe	97

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:3508
- 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:5492
- - 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:3732
- - 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:4616
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tKmAtmGcqvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE639.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4756
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2640
- - 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:5232
- 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:2096
- - 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:4080

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\Temp\__PSScriptPolicyTest_hbcjmnwh.o2e.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE639.tmp

Filesize
1KB

MD5
91598927c9d39ac3a112001a51c83dd8

SHA1
56456538bb770a2bc44d7172c636e401c7382092

SHA256
70cf95479f9472330532b3f3487bc9d8962542a7e363e8d8e224837c212887af

SHA512
5d4c403e12664e724b6972c4bf8a5fe5fc5448f5f8a779d596bac353e396d5fb10d12acec78fd13438db338aad993899d2ee5021accc02f4469eb1aeed3ee183

Download Submit
memory/2096-66-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download
memory/2096-86-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/2096-65-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download
memory/3508-92-0x00000000088B0000-0x0000000008A0F000-memory.dmp

Filesize
1.4MB

Download
memory/3732-84-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/3732-67-0x0000000075620000-0x000000007566C000-memory.dmp

Filesize
304KB

Download
memory/3732-81-0x00000000079D0000-0x00000000079E1000-memory.dmp

Filesize
68KB

Download
memory/3732-83-0x0000000007A10000-0x0000000007A24000-memory.dmp

Filesize
80KB

Download
memory/3732-50-0x00000000064B0000-0x00000000064CE000-memory.dmp

Filesize
120KB

Download
memory/3732-15-0x0000000002BA0000-0x0000000002BD6000-memory.dmp

Filesize
216KB

Download
memory/3732-17-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/3732-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3732-18-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3732-46-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3732-51-0x0000000006540000-0x000000000658C000-memory.dmp

Filesize
304KB

Download
memory/3732-89-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3732-35-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/4616-21-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/4616-82-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

Filesize
56KB

Download
memory/4616-34-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4616-42-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4616-90-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4616-85-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

Filesize
32KB

Download
memory/4616-20-0x00000000054D0000-0x00000000054F2000-memory.dmp

Filesize
136KB

Download
memory/4616-22-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/4616-23-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4616-80-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/4616-52-0x0000000007790000-0x00000000077C2000-memory.dmp

Filesize
200KB

Download
memory/4616-53-0x0000000075620000-0x000000007566C000-memory.dmp

Filesize
304KB

Download
memory/4616-63-0x0000000006AD0000-0x0000000006AEE000-memory.dmp

Filesize
120KB

Download
memory/4616-64-0x00000000077D0000-0x0000000007873000-memory.dmp

Filesize
652KB

Download
memory/4616-79-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/4616-68-0x0000000007F00000-0x000000000857A000-memory.dmp

Filesize
6.5MB

Download
memory/4616-69-0x00000000078C0000-0x00000000078DA000-memory.dmp

Filesize
104KB

Download
memory/5232-41-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5492-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/5492-9-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/5492-10-0x0000000007FE0000-0x000000000805A000-memory.dmp

Filesize
488KB

Download
memory/5492-6-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/5492-8-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/5492-7-0x0000000005820000-0x0000000005832000-memory.dmp

Filesize
72KB

Download
memory/5492-4-0x0000000005710000-0x00000000057AC000-memory.dmp

Filesize
624KB

Download
memory/5492-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/5492-3-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/5492-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/5492-48-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/5492-1-0x0000000000B50000-0x0000000000BEC000-memory.dmp

Filesize
624KB

Download