formbook | 4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2025 02:31

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General

Target

4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe
Size

666KB
MD5

fc1d67e2e18b6372b2623c304fed7088
SHA1

ed2dc80e226e31132da7aaccd6e8dfef698199d7
SHA256

4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070
SHA512

e73ea61d5112e7ffee010c549ac58777c8a017390fc9e508c09e6d0dd50c3bf3b61ad9aea3aa05ccc247ad82428a22413c3894798fa2e4bbd1906ce06ce68292
SSDEEP

12288:KjCKOSH5xZrMVg/0+hGYUD+kQqBCB8NLn:45Mg/FhBizLn

Score

10^/10

formbook 3nop discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

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
behavioral2/memory/3920-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3920-34-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3568-75-0x0000000000920000-0x000000000094F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1260	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4636 set thread context of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 3920 set thread context of 3444	3920	RegSvcs.exe	56
PID 3568 set thread context of 3444	3568	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 5 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	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe
4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe
1260	powershell.exe
3920	RegSvcs.exe
3920	RegSvcs.exe
3920	RegSvcs.exe
3920	RegSvcs.exe
1260	powershell.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe
3568	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3920	RegSvcs.exe
3920	RegSvcs.exe
3920	RegSvcs.exe
3568	wlanext.exe
3568	wlanext.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe
Token: SeDebugPrivilege	1260	powershell.exe
Token: SeDebugPrivilege	3920	RegSvcs.exe
Token: SeDebugPrivilege	3568	wlanext.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 1260	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	97
PID 4636 wrote to memory of 1260	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	97
PID 4636 wrote to memory of 1260	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	97
PID 4636 wrote to memory of 2392	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	99
PID 4636 wrote to memory of 2392	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	99
PID 4636 wrote to memory of 2392	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	99
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 4636 wrote to memory of 3920	4636	4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe	101
PID 3444 wrote to memory of 3568	3444	Explorer.EXE	102
PID 3444 wrote to memory of 3568	3444	Explorer.EXE	102
PID 3444 wrote to memory of 3568	3444	Explorer.EXE	102
PID 3568 wrote to memory of 1460	3568	wlanext.exe	103
PID 3568 wrote to memory of 1460	3568	wlanext.exe	103
PID 3568 wrote to memory of 1460	3568	wlanext.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.exe
  "C:\Users\Admin\AppData\Local\Temp\4336ddb80f3875340305306f98bd57efcb38a2182153d71308957167a295c070.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:4636
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GKAappPhUTNdV.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1260
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GKAappPhUTNdV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCE2D.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2392
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3920
- 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:3568
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1460

Network

MITRE ATT&CK Enterprise v15

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\Temp\__PSScriptPolicyTest_treckf13.vu3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCE2D.tmp

Filesize
1KB

MD5
754975c5a0336b0463fb3f6c5153929e

SHA1
0dd7d9abda4098ca30b579e80e67ec53746cb611

SHA256
6e55afc7affe60c36b88888b3a3d81bba3d1eb46ffc931b626c50d56c43e7cef

SHA512
037df5438b39a9f3685ad3e6c268213035fd4a70d80ca74b0287ae7f39fa426642d87a94a6b90d98ca7a02f8653870a469cdd3bf4da06d9abaed8dc8a76707e2

Download Submit
memory/1260-27-0x0000000005180000-0x00000000051E6000-memory.dmp

Filesize
408KB

Download
memory/1260-21-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1260-42-0x0000000005A10000-0x0000000005A2E000-memory.dmp

Filesize
120KB

Download
memory/1260-74-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1260-71-0x0000000007050000-0x0000000007058000-memory.dmp

Filesize
32KB

Download
memory/1260-70-0x0000000007070000-0x000000000708A000-memory.dmp

Filesize
104KB

Download
memory/1260-26-0x0000000004A50000-0x0000000004A72000-memory.dmp

Filesize
136KB

Download
memory/1260-69-0x0000000006F70000-0x0000000006F84000-memory.dmp

Filesize
80KB

Download
memory/1260-68-0x0000000006F60000-0x0000000006F6E000-memory.dmp

Filesize
56KB

Download
memory/1260-15-0x0000000004450000-0x0000000004486000-memory.dmp

Filesize
216KB

Download
memory/1260-16-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1260-18-0x0000000004AE0000-0x0000000005108000-memory.dmp

Filesize
6.2MB

Download
memory/1260-65-0x0000000006F30000-0x0000000006F41000-memory.dmp

Filesize
68KB

Download
memory/1260-64-0x0000000006FB0000-0x0000000007046000-memory.dmp

Filesize
600KB

Download
memory/1260-19-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1260-45-0x0000000005FD0000-0x0000000006002000-memory.dmp

Filesize
200KB

Download
memory/1260-63-0x0000000006DB0000-0x0000000006DBA000-memory.dmp

Filesize
40KB

Download
memory/1260-62-0x0000000006D30000-0x0000000006D4A000-memory.dmp

Filesize
104KB

Download
memory/1260-61-0x0000000007380000-0x00000000079FA000-memory.dmp

Filesize
6.5MB

Download
memory/1260-46-0x00000000714E0000-0x000000007152C000-memory.dmp

Filesize
304KB

Download
memory/1260-56-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/1260-57-0x00000000044A0000-0x00000000044B0000-memory.dmp

Filesize
64KB

Download
memory/1260-36-0x00000000053E0000-0x0000000005734000-memory.dmp

Filesize
3.3MB

Download
memory/1260-60-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/1260-33-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download
memory/1260-59-0x0000000006C00000-0x0000000006CA3000-memory.dmp

Filesize
652KB

Download
memory/1260-58-0x00000000044A0000-0x00000000044B0000-memory.dmp

Filesize
64KB

Download
memory/1260-43-0x0000000005AA0000-0x0000000005AEC000-memory.dmp

Filesize
304KB

Download
memory/1260-44-0x000000007F620000-0x000000007F630000-memory.dmp

Filesize
64KB

Download
memory/3444-76-0x0000000008BB0000-0x0000000008D53000-memory.dmp

Filesize
1.6MB

Download
memory/3444-80-0x0000000008D60000-0x0000000008E6A000-memory.dmp

Filesize
1.0MB

Download
memory/3444-37-0x0000000008BB0000-0x0000000008D53000-memory.dmp

Filesize
1.6MB

Download
memory/3568-75-0x0000000000920000-0x000000000094F000-memory.dmp

Filesize
188KB

Download
memory/3568-66-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/3568-67-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/3920-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3920-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3920-35-0x0000000001130000-0x0000000001145000-memory.dmp

Filesize
84KB

Download
memory/3920-23-0x0000000000D90000-0x00000000010DA000-memory.dmp

Filesize
3.3MB

Download
memory/4636-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

Filesize
5.6MB

Download
memory/4636-3-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/4636-24-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4636-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4636-10-0x000000000CF90000-0x000000000D02C000-memory.dmp

Filesize
624KB

Download
memory/4636-9-0x0000000000E40000-0x0000000000EB8000-memory.dmp

Filesize
480KB

Download
memory/4636-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/4636-6-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/4636-4-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/4636-1-0x0000000000600000-0x00000000006AE000-memory.dmp

Filesize
696KB

Download
memory/4636-5-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4636-8-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download