formbook | 36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 03:53

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General

Target

36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
Size

817KB
MD5

1edee1c73023c587df17c0809109e1e3
SHA1

d159ab5348cd9df33877f91190057abaff01dee8
SHA256

36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965
SHA512

aabcf10c21a336861eb2cb69c545ae6a70ed73d23fd5a7af74a8ededca7eba01b80395a375465bc1ca1c2286c54b68fb2af74336b324fb3f1113d6da57927740
SSDEEP

24576:IzZx2I6l5CiXV0eFxiuUcWpkBW3KieLn:o2IclXSeFvF7BwzeLn

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/2196-53-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2196-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3760-72-0x0000000000430000-0x000000000045F000-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
4060	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-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 540 set thread context of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 2196 set thread context of 3540	2196	RegSvcs.exe	56
PID 3760 set thread context of 3540	3760	rundll32.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	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.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	rundll32.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
1144	schtasks.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
4060	powershell.exe
4060	powershell.exe
540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
2196	RegSvcs.exe
2196	RegSvcs.exe
2196	RegSvcs.exe
2196	RegSvcs.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe
3760	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2196	RegSvcs.exe
2196	RegSvcs.exe
2196	RegSvcs.exe
3760	rundll32.exe
3760	rundll32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
Token: SeDebugPrivilege	4060	powershell.exe
Token: SeDebugPrivilege	2196	RegSvcs.exe
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE
Token: SeDebugPrivilege	3760	rundll32.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3540	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 4060	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	89
PID 540 wrote to memory of 4060	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	89
PID 540 wrote to memory of 4060	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	89
PID 540 wrote to memory of 1144	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	91
PID 540 wrote to memory of 1144	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	91
PID 540 wrote to memory of 1144	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	91
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 540 wrote to memory of 2196	540	36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe	94
PID 3540 wrote to memory of 3760	3540	Explorer.EXE	95
PID 3540 wrote to memory of 3760	3540	Explorer.EXE	95
PID 3540 wrote to memory of 3760	3540	Explorer.EXE	95
PID 3760 wrote to memory of 3764	3760	rundll32.exe	96
PID 3760 wrote to memory of 3764	3760	rundll32.exe	96
PID 3760 wrote to memory of 3764	3760	rundll32.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.exe
  "C:\Users\Admin\AppData\Local\Temp\36b2c227683d3aea101fb59edb33edb1ba28ec0753a32a5ce42b1959d6716965.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:540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dDxuOoTjp.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4060
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dDxuOoTjp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1144
- - 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:2196
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:3760
- - 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:3764

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_o5hh3tv0.2eh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7C4.tmp

Filesize
1KB

MD5
17b95482e716127341bed0c5e3a554a5

SHA1
1741a7f1a79f01d228d44392c3562bcc9cc9ba7e

SHA256
8aac769df13eb188977a1f5d5509f1710a3dbab6ce132c19b92cc54b8cffb22d

SHA512
f8355acf593e293c206c0e5ec56038eda3a7e6e5a09b9752b4ebd5472bb09c771781c0b3ccbd129421784413f866561b5e84ba3a9679961ca7639579a2595c9c

Download Submit
memory/540-10-0x00000000029B0000-0x0000000002A28000-memory.dmp

Filesize
480KB

Download
memory/540-9-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/540-4-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/540-5-0x0000000005460000-0x00000000054FC000-memory.dmp

Filesize
624KB

Download
memory/540-6-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/540-7-0x0000000005570000-0x000000000558E000-memory.dmp

Filesize
120KB

Download
memory/540-8-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/540-55-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/540-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/540-3-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/540-1-0x00000000006A0000-0x0000000000772000-memory.dmp

Filesize
840KB

Download
memory/540-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

Filesize
5.6MB

Download
memory/2196-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-53-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2196-56-0x0000000001260000-0x00000000015AA000-memory.dmp

Filesize
3.3MB

Download
memory/3540-76-0x00000000093D0000-0x00000000094B3000-memory.dmp

Filesize
908KB

Download
memory/3760-69-0x00000000005E0000-0x00000000005F4000-memory.dmp

Filesize
80KB

Download
memory/3760-71-0x00000000005E0000-0x00000000005F4000-memory.dmp

Filesize
80KB

Download
memory/3760-72-0x0000000000430000-0x000000000045F000-memory.dmp

Filesize
188KB

Download
memory/4060-35-0x00000000078D0000-0x0000000007902000-memory.dmp

Filesize
200KB

Download
memory/4060-20-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/4060-36-0x000000006F490000-0x000000006F4DC000-memory.dmp

Filesize
304KB

Download
memory/4060-32-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/4060-47-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

Filesize
120KB

Download
memory/4060-46-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-48-0x0000000007910000-0x00000000079B3000-memory.dmp

Filesize
652KB

Download
memory/4060-49-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-27-0x0000000006000000-0x0000000006354000-memory.dmp

Filesize
3.3MB

Download
memory/4060-52-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/4060-19-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/4060-51-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/4060-21-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4060-33-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/4060-58-0x0000000007A90000-0x0000000007A9A000-memory.dmp

Filesize
40KB

Download
memory/4060-59-0x0000000007CA0000-0x0000000007D36000-memory.dmp

Filesize
600KB

Download
memory/4060-60-0x0000000007C20000-0x0000000007C31000-memory.dmp

Filesize
68KB

Download
memory/4060-61-0x0000000007C50000-0x0000000007C5E000-memory.dmp

Filesize
56KB

Download
memory/4060-62-0x0000000007C60000-0x0000000007C74000-memory.dmp

Filesize
80KB

Download
memory/4060-63-0x0000000007D60000-0x0000000007D7A000-memory.dmp

Filesize
104KB

Download
memory/4060-64-0x0000000007D40000-0x0000000007D48000-memory.dmp

Filesize
32KB

Download
memory/4060-65-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-68-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-17-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-16-0x00000000057D0000-0x0000000005DF8000-memory.dmp

Filesize
6.2MB

Download
memory/4060-15-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-14-0x0000000005130000-0x0000000005166000-memory.dmp

Filesize
216KB

Download