formbook | 8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 04:02

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General

Target

8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
Size

661KB
MD5

4b1b3a715305efece2e7c37c5346a719
SHA1

d4b0fd026b293bc0131706a49d73db072b0b136c
SHA256

8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049
SHA512

18c3eb1dc929b4c7143b2f6b9327b78e6c3cfbbff87216cabbe23de32985e694ba1bcdc5ae737e69472147a4d8d6475fdcd24ffdf4ad1357fef97fb5147335d7
SSDEEP

12288:M6YRxA4Y5lyA/BxSPCNiITWBlyZWuActY/V/5E0bblR+1Y7NyEFcePZCR:URo7Sy4uActY/VFT+EyMZCR

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/3052-38-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3052-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4512-73-0x0000000001290000-0x00000000012BF000-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
3652	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 3052 set thread context of 3464	3052	RegSvcs.exe	56
PID 4512 set thread context of 3464	4512	help.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	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.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	help.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
1172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
3652	powershell.exe
1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
3052	RegSvcs.exe
3052	RegSvcs.exe
3052	RegSvcs.exe
3052	RegSvcs.exe
3652	powershell.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe
4512	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3052	RegSvcs.exe
3052	RegSvcs.exe
3052	RegSvcs.exe
4512	help.exe
4512	help.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
Token: SeDebugPrivilege	3652	powershell.exe
Token: SeDebugPrivilege	3052	RegSvcs.exe
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE
Token: SeDebugPrivilege	4512	help.exe
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 3652	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	90
PID 1944 wrote to memory of 3652	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	90
PID 1944 wrote to memory of 3652	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	90
PID 1944 wrote to memory of 1172	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	92
PID 1944 wrote to memory of 1172	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	92
PID 1944 wrote to memory of 1172	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	92
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 1944 wrote to memory of 3052	1944	8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe	94
PID 3464 wrote to memory of 4512	3464	Explorer.EXE	96
PID 3464 wrote to memory of 4512	3464	Explorer.EXE	96
PID 3464 wrote to memory of 4512	3464	Explorer.EXE	96
PID 4512 wrote to memory of 1064	4512	help.exe	101
PID 4512 wrote to memory of 1064	4512	help.exe	101
PID 4512 wrote to memory of 1064	4512	help.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.exe
  "C:\Users\Admin\AppData\Local\Temp\8389b3ecce08249b5d4ad5eede18ef1136f4acef3137fcd9fd4850082e090049.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:1944
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tXKIoQjujENj.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3652
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tXKIoQjujENj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1172
- - 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:3052
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:4512
- - 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:1064

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p4r12z0c.nqb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE6C6.tmp

Filesize
1KB

MD5
b090cc73187e5985f5bbffea54d86f04

SHA1
6e8e819fff6e37f6a8e5c874fb9004e2778a84aa

SHA256
4278ad5462a602baf987bfc2705d6ebf182c4130c72a3333b7ad7dff5916bb85

SHA512
9cb9933d4d6626685e10d30f81fee91c3d28b6a03a1e3c5c85e032b72609a54a249a5659b4062f16b9d51710268e8d0b7ff9536c89f255610a11ddd95516b42a

Download Submit
memory/1944-10-0x000000000A320000-0x000000000A3BC000-memory.dmp

Filesize
624KB

Download
memory/1944-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/1944-4-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/1944-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1944-6-0x0000000005660000-0x000000000567A000-memory.dmp

Filesize
104KB

Download
memory/1944-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1944-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1944-9-0x0000000006860000-0x00000000068DA000-memory.dmp

Filesize
488KB

Download
memory/1944-1-0x0000000000790000-0x000000000083C000-memory.dmp

Filesize
688KB

Download
memory/1944-42-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1944-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1944-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/3052-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3052-39-0x0000000000A60000-0x0000000000A75000-memory.dmp

Filesize
84KB

Download
memory/3052-38-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3052-32-0x0000000000F60000-0x00000000012AA000-memory.dmp

Filesize
3.3MB

Download
memory/3464-74-0x0000000008420000-0x0000000008599000-memory.dmp

Filesize
1.5MB

Download
memory/3464-79-0x0000000008600000-0x0000000008745000-memory.dmp

Filesize
1.3MB

Download
memory/3464-40-0x0000000008420000-0x0000000008599000-memory.dmp

Filesize
1.5MB

Download
memory/3652-16-0x0000000005910000-0x0000000005F38000-memory.dmp

Filesize
6.2MB

Download
memory/3652-59-0x0000000006C30000-0x0000000006CD3000-memory.dmp

Filesize
652KB

Download
memory/3652-19-0x0000000005670000-0x0000000005692000-memory.dmp

Filesize
136KB

Download
memory/3652-20-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/3652-24-0x0000000006040000-0x0000000006394000-memory.dmp

Filesize
3.3MB

Download
memory/3652-41-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/3652-21-0x0000000005780000-0x00000000057E6000-memory.dmp

Filesize
408KB

Download
memory/3652-43-0x0000000006BE0000-0x0000000006C2C000-memory.dmp

Filesize
304KB

Download
memory/3652-22-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-15-0x0000000002D10000-0x0000000002D46000-memory.dmp

Filesize
216KB

Download
memory/3652-17-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-46-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-47-0x0000000006B80000-0x0000000006BB2000-memory.dmp

Filesize
200KB

Download
memory/3652-58-0x0000000006B60000-0x0000000006B7E000-memory.dmp

Filesize
120KB

Download
memory/3652-48-0x000000006FB30000-0x000000006FB7C000-memory.dmp

Filesize
304KB

Download
memory/3652-25-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-60-0x0000000007F80000-0x00000000085FA000-memory.dmp

Filesize
6.5MB

Download
memory/3652-61-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/3652-62-0x00000000079A0000-0x00000000079AA000-memory.dmp

Filesize
40KB

Download
memory/3652-63-0x0000000007BB0000-0x0000000007C46000-memory.dmp

Filesize
600KB

Download
memory/3652-64-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3652-65-0x0000000007B30000-0x0000000007B41000-memory.dmp

Filesize
68KB

Download
memory/3652-66-0x0000000007B60000-0x0000000007B6E000-memory.dmp

Filesize
56KB

Download
memory/3652-67-0x0000000007B70000-0x0000000007B84000-memory.dmp

Filesize
80KB

Download
memory/3652-68-0x0000000007C70000-0x0000000007C8A000-memory.dmp

Filesize
104KB

Download
memory/3652-69-0x0000000007C50000-0x0000000007C58000-memory.dmp

Filesize
32KB

Download
memory/3652-72-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4512-73-0x0000000001290000-0x00000000012BF000-memory.dmp

Filesize
188KB

Download
memory/4512-45-0x00000000002C0000-0x00000000002C7000-memory.dmp

Filesize
28KB

Download
memory/4512-44-0x00000000002C0000-0x00000000002C7000-memory.dmp

Filesize
28KB

Download