formbook | 0fa5bc9dee4c95c6fc9468aa5193eaba99fe766b28defce9e9878677b7c398bc

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 00:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PR2409-1513.pdf.exe
Size

798KB
MD5

6873a4a84ed3bb7f4554d1b9cf960d60
SHA1

dd6e5e47dc2deac13db80cdd8824beac7386832a
SHA256

f23856d737f4ba1f44e51aef81b4b122e7cf0ffeb40d5665895588e6921b21bc
SHA512

22710365911cb82a284415ab3c783c35abd89b206f48518043b77627f37b462da6153ab0b98c522340c3de691c7f9196c5d2656f1736d60fd7588de9a4a1d265
SSDEEP

12288:dMlll/c8Z6/bFN8pgsxelo6Qz5OI7IHBxiHoGhsHx/6otQYKzJ4wNsmy1:AcPJo6QuHBxyxSHg67wJXNs31

Score

10^/10

formbook m10i discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m10i

Decoy

rmani.today

ifebork.xyz

randovation.net

itchen-remodeling-65686.bond

himu.world

reverie.net

9038.top

rowahome.live

obility-scooters-63189.bond

iangchunqiu.top

yhd.fun

eniorsforseniors.biz

z9zs2.shop

kkjinni.buzz

22av373vu.autos

allnyy.fun

qst.digital

rcap.info

745.top

earfulabjectshirkwashclothe.cfd

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3348-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3348-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3508-70-0x0000000000230000-0x000000000025F000-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
1356	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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	PR2409-1513.pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4104 set thread context of 3348	4104	PR2409-1513.pdf.exe	92
PID 3348 set thread context of 3524	3348	PR2409-1513.pdf.exe	56
PID 3508 set thread context of 3524	3508	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 4 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	PR2409-1513.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4104	PR2409-1513.pdf.exe
4104	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
1356	powershell.exe
1356	powershell.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe
3508	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3348	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
3348	PR2409-1513.pdf.exe
3508	chkdsk.exe
3508	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4104	PR2409-1513.pdf.exe
Token: SeDebugPrivilege	3348	PR2409-1513.pdf.exe
Token: SeDebugPrivilege	1356	powershell.exe
Token: SeDebugPrivilege	3508	chkdsk.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 1356	4104	PR2409-1513.pdf.exe	89
PID 4104 wrote to memory of 1356	4104	PR2409-1513.pdf.exe	89
PID 4104 wrote to memory of 1356	4104	PR2409-1513.pdf.exe	89
PID 4104 wrote to memory of 920	4104	PR2409-1513.pdf.exe	91
PID 4104 wrote to memory of 920	4104	PR2409-1513.pdf.exe	91
PID 4104 wrote to memory of 920	4104	PR2409-1513.pdf.exe	91
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 4104 wrote to memory of 3348	4104	PR2409-1513.pdf.exe	92
PID 3524 wrote to memory of 3508	3524	Explorer.EXE	93
PID 3524 wrote to memory of 3508	3524	Explorer.EXE	93
PID 3524 wrote to memory of 3508	3524	Explorer.EXE	93
PID 3508 wrote to memory of 392	3508	chkdsk.exe	94
PID 3508 wrote to memory of 392	3508	chkdsk.exe	94
PID 3508 wrote to memory of 392	3508	chkdsk.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.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:4104
- - 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\PR2409-1513.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1356
- - C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe"
    3⤵
    PID:920
- - C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3348
- 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:3508
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PR2409-1513.pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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_fgeb10dd.fys.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1356-55-0x00000000078F0000-0x0000000007F6A000-memory.dmp

Filesize
6.5MB

Download
memory/1356-62-0x00000000074D0000-0x00000000074DE000-memory.dmp

Filesize
56KB

Download
memory/1356-69-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/1356-66-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/1356-65-0x00000000075C0000-0x00000000075C8000-memory.dmp

Filesize
32KB

Download
memory/1356-64-0x00000000075E0000-0x00000000075FA000-memory.dmp

Filesize
104KB

Download
memory/1356-63-0x00000000074E0000-0x00000000074F4000-memory.dmp

Filesize
80KB

Download
memory/1356-32-0x0000000005980000-0x0000000005CD4000-memory.dmp

Filesize
3.3MB

Download
memory/1356-61-0x00000000074A0000-0x00000000074B1000-memory.dmp

Filesize
68KB

Download
memory/1356-60-0x0000000007520000-0x00000000075B6000-memory.dmp

Filesize
600KB

Download
memory/1356-57-0x0000000007310000-0x000000000731A000-memory.dmp

Filesize
40KB

Download
memory/1356-13-0x0000000004930000-0x0000000004966000-memory.dmp

Filesize
216KB

Download
memory/1356-56-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/1356-14-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/1356-54-0x0000000006F70000-0x0000000007013000-memory.dmp

Filesize
652KB

Download
memory/1356-51-0x0000000006550000-0x000000000656E000-memory.dmp

Filesize
120KB

Download
memory/1356-52-0x00000000024D0000-0x00000000024E0000-memory.dmp

Filesize
64KB

Download
memory/1356-53-0x00000000024D0000-0x00000000024E0000-memory.dmp

Filesize
64KB

Download
memory/1356-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/1356-17-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/1356-16-0x0000000004FA0000-0x00000000055C8000-memory.dmp

Filesize
6.2MB

Download
memory/1356-24-0x00000000055D0000-0x00000000055F2000-memory.dmp

Filesize
136KB

Download
memory/1356-26-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/1356-25-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/1356-41-0x0000000071700000-0x000000007174C000-memory.dmp

Filesize
304KB

Download
memory/1356-40-0x0000000006F30000-0x0000000006F62000-memory.dmp

Filesize
200KB

Download
memory/1356-37-0x0000000005F80000-0x0000000005F9E000-memory.dmp

Filesize
120KB

Download
memory/1356-38-0x0000000005FB0000-0x0000000005FFC000-memory.dmp

Filesize
304KB

Download
memory/1356-39-0x000000007F9A0000-0x000000007F9B0000-memory.dmp

Filesize
64KB

Download
memory/3348-22-0x0000000001310000-0x000000000165A000-memory.dmp

Filesize
3.3MB

Download
memory/3348-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3348-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3348-21-0x0000000000DF0000-0x0000000000E04000-memory.dmp

Filesize
80KB

Download
memory/3508-58-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/3508-59-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/3508-70-0x0000000000230000-0x000000000025F000-memory.dmp

Filesize
188KB

Download
memory/3524-74-0x00000000082F0000-0x00000000083F4000-memory.dmp

Filesize
1.0MB

Download
memory/3524-23-0x0000000002FC0000-0x000000000314D000-memory.dmp

Filesize
1.6MB

Download
memory/4104-8-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-1-0x0000000000130000-0x00000000001FE000-memory.dmp

Filesize
824KB

Download
memory/4104-2-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/4104-9-0x0000000007BA0000-0x0000000007C16000-memory.dmp

Filesize
472KB

Download
memory/4104-10-0x000000000A3B0000-0x000000000A44C000-memory.dmp

Filesize
624KB

Download
memory/4104-7-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download
memory/4104-6-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

Filesize
64KB

Download
memory/4104-5-0x0000000004C20000-0x0000000004C2A000-memory.dmp

Filesize
40KB

Download
memory/4104-4-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-3-0x0000000004C70000-0x0000000004D02000-memory.dmp

Filesize
584KB

Download
memory/4104-15-0x0000000074E40000-0x00000000755F0000-memory.dmp

Filesize
7.7MB

Download
memory/4104-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

Filesize
4KB

Download