formbook | 9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc

Analysis

max time kernel
148s
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
21-01-2025 03:27

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General

Target

9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe
Size

724KB
MD5

4325c56733bc218985a5cf909f5bb27f
SHA1

173d8534b685f1eefa9c84df60592404444be599
SHA256

9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc
SHA512

f3bc75edaa774abafa14aedbf44c30c450c9dcb92f4c92c73e7e66382222ea5dd04e038056fbfdcb9cc526c61e4f8780f43334e1f3d4f266fb59688e6862985c
SSDEEP

12288:R3ihRSUunFgIOeC9Ujifjqlxr/GH18yhO50gOrCQflaaufB2EL/WFRwqVjlzilN7:dxnFgSQAxKH18j5fiavfJLuFRfYLn

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/2212-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2212-29-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4292-74-0x0000000000540000-0x000000000056F000-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
1088	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2212 set thread context of 3500	2212	RegSvcs.exe	56
PID 4292 set thread context of 3500	4292	chkdsk.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	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.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
668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe
2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe
1088	powershell.exe
2212	RegSvcs.exe
2212	RegSvcs.exe
2212	RegSvcs.exe
2212	RegSvcs.exe
1088	powershell.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe
4292	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2212	RegSvcs.exe
2212	RegSvcs.exe
2212	RegSvcs.exe
4292	chkdsk.exe
4292	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe
Token: SeDebugPrivilege	1088	powershell.exe
Token: SeDebugPrivilege	2212	RegSvcs.exe
Token: SeDebugPrivilege	4292	chkdsk.exe
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1088	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	88
PID 2244 wrote to memory of 1088	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	88
PID 2244 wrote to memory of 1088	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	88
PID 2244 wrote to memory of 668	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	90
PID 2244 wrote to memory of 668	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	90
PID 2244 wrote to memory of 668	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	90
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 2244 wrote to memory of 2212	2244	9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe	92
PID 3500 wrote to memory of 4292	3500	Explorer.EXE	93
PID 3500 wrote to memory of 4292	3500	Explorer.EXE	93
PID 3500 wrote to memory of 4292	3500	Explorer.EXE	93
PID 4292 wrote to memory of 1368	4292	chkdsk.exe	94
PID 4292 wrote to memory of 1368	4292	chkdsk.exe	94
PID 4292 wrote to memory of 1368	4292	chkdsk.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.exe
  "C:\Users\Admin\AppData\Local\Temp\9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc.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:2244
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pPTnJmSzLGdkr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1088
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pPTnJmSzLGdkr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF85A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:668
- - 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:2212
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4292
- - 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:1368

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_tpmboyaj.oiw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF85A.tmp

Filesize
1KB

MD5
6f1e45735bfaf27b79f3da6d36bc951f

SHA1
70732d5aca1862a6a7767a2d6bfe440fa33249a8

SHA256
bea54ace3563f20814aea645f883ec84276ac218f5406feef80fb4b4fed365ea

SHA512
22b7846dea5cd45b99c8993c8671a1b7740940dedd1f0c522811d9438d82b4b84a15f2e0341014508b589d9eb0a2fbf5a35a6894edff99506315d6bd60a598dc

Download Submit
memory/1088-26-0x0000000005B30000-0x0000000005B52000-memory.dmp

Filesize
136KB

Download
memory/1088-64-0x0000000007C50000-0x00000000082CA000-memory.dmp

Filesize
6.5MB

Download
memory/1088-77-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-42-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/1088-61-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-73-0x0000000007920000-0x0000000007928000-memory.dmp

Filesize
32KB

Download
memory/1088-72-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/1088-71-0x0000000007840000-0x0000000007854000-memory.dmp

Filesize
80KB

Download
memory/1088-70-0x0000000007830000-0x000000000783E000-memory.dmp

Filesize
56KB

Download
memory/1088-15-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-16-0x0000000004D00000-0x0000000004D36000-memory.dmp

Filesize
216KB

Download
memory/1088-69-0x0000000007800000-0x0000000007811000-memory.dmp

Filesize
68KB

Download
memory/1088-19-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-18-0x00000000054D0000-0x0000000005AF8000-memory.dmp

Filesize
6.2MB

Download
memory/1088-20-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-60-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/1088-68-0x0000000007880000-0x0000000007916000-memory.dmp

Filesize
600KB

Download
memory/1088-59-0x0000000004E90000-0x0000000004EA0000-memory.dmp

Filesize
64KB

Download
memory/1088-28-0x0000000005C40000-0x0000000005CA6000-memory.dmp

Filesize
408KB

Download
memory/1088-27-0x0000000005BD0000-0x0000000005C36000-memory.dmp

Filesize
408KB

Download
memory/1088-56-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/1088-67-0x0000000007670000-0x000000000767A000-memory.dmp

Filesize
40KB

Download
memory/1088-65-0x0000000007600000-0x000000000761A000-memory.dmp

Filesize
104KB

Download
memory/1088-41-0x0000000005CB0000-0x0000000006004000-memory.dmp

Filesize
3.3MB

Download
memory/1088-66-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-58-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1088-57-0x00000000072C0000-0x0000000007363000-memory.dmp

Filesize
652KB

Download
memory/1088-43-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/1088-44-0x000000007FCA0000-0x000000007FCB0000-memory.dmp

Filesize
64KB

Download
memory/1088-45-0x0000000006890000-0x00000000068C2000-memory.dmp

Filesize
200KB

Download
memory/1088-46-0x0000000071230000-0x000000007127C000-memory.dmp

Filesize
304KB

Download
memory/2212-30-0x0000000001B90000-0x0000000001BA5000-memory.dmp

Filesize
84KB

Download
memory/2212-24-0x0000000001720000-0x0000000001A6A000-memory.dmp

Filesize
3.3MB

Download
memory/2212-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2244-5-0x0000000005120000-0x00000000051BC000-memory.dmp

Filesize
624KB

Download
memory/2244-7-0x00000000065B0000-0x00000000065D6000-memory.dmp

Filesize
152KB

Download
memory/2244-4-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/2244-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2244-6-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2244-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

Filesize
584KB

Download
memory/2244-1-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2244-8-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2244-23-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2244-2-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/2244-10-0x0000000002750000-0x00000000027CA000-memory.dmp

Filesize
488KB

Download
memory/2244-9-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3500-36-0x0000000007C60000-0x0000000007D14000-memory.dmp

Filesize
720KB

Download
memory/3500-82-0x0000000008A50000-0x0000000008B99000-memory.dmp

Filesize
1.3MB

Download
memory/4292-74-0x0000000000540000-0x000000000056F000-memory.dmp

Filesize
188KB

Download
memory/4292-63-0x0000000000B20000-0x0000000000B2A000-memory.dmp

Filesize
40KB

Download
memory/4292-62-0x0000000000B20000-0x0000000000B2A000-memory.dmp

Filesize
40KB

Download