formbook | 0e95933b378d0fbe6e132bab051ab9a3ab4fa3332828e72a0133749c1150b79f

General

Target

PO-13228.exe
Size

576KB
MD5

7038d7c37a57257518528cf5fc50dc1a
SHA1

0b352e9757af7c23439ec521171b2e05813bfe16
SHA256

0e95933b378d0fbe6e132bab051ab9a3ab4fa3332828e72a0133749c1150b79f
SHA512

ebdd545d9b8260b827376b6b70b47ffdc19eb32ee72acc16339c1af8bf6671e843019519ab03fa6058bc4c449bbfb7f8f129a13ef0f01ddbbc0fe9c718ad9c3c
SSDEEP

12288:0/JWqjqYBkH47mWq6fJqYQqxPcTO2DieaVTNeBz6Zwq:0YpUkg9qNqhcT8eINF

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
behavioral1/memory/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2704-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2772-21-0x0000000000080000-0x00000000000AF000-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
2812	powershell.exe

Deletes itself 1 IoCs

pid	Process
2620	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 2704	1672	PO-13228.exe	30
PID 2704 set thread context of 1200	2704	PO-13228.exe	21
PID 2772 set thread context of 1200	2772	explorer.exe	21

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	PO-13228.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2704	PO-13228.exe
2704	PO-13228.exe
2812	powershell.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe
2772	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2704	PO-13228.exe
2704	PO-13228.exe
2704	PO-13228.exe
2772	explorer.exe
2772	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	PO-13228.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	2772	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2812	1672	PO-13228.exe	28
PID 1672 wrote to memory of 2812	1672	PO-13228.exe	28
PID 1672 wrote to memory of 2812	1672	PO-13228.exe	28
PID 1672 wrote to memory of 2812	1672	PO-13228.exe	28
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1672 wrote to memory of 2704	1672	PO-13228.exe	30
PID 1200 wrote to memory of 2772	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2772	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2772	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2772	1200	Explorer.EXE	31
PID 2772 wrote to memory of 2620	2772	explorer.exe	32
PID 2772 wrote to memory of 2620	2772	explorer.exe	32
PID 2772 wrote to memory of 2620	2772	explorer.exe	32
PID 2772 wrote to memory of 2620	2772	explorer.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\PO-13228.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-13228.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1672
- - 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\PO-13228.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- - C:\Users\Admin\AppData\Local\Temp\PO-13228.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-13228.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2772
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO-13228.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-18-0x00000000074B0000-0x000000000762B000-memory.dmp

Filesize
1.5MB

Download
memory/1200-23-0x00000000074B0000-0x000000000762B000-memory.dmp

Filesize
1.5MB

Download
memory/1672-13-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1672-3-0x0000000000940000-0x0000000000950000-memory.dmp

Filesize
64KB

Download
memory/1672-4-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/1672-5-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1672-6-0x0000000000CA0000-0x0000000000D16000-memory.dmp

Filesize
472KB

Download
memory/1672-1-0x0000000000D10000-0x0000000000DA6000-memory.dmp

Filesize
600KB

Download
memory/1672-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1672-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/2704-12-0x0000000000740000-0x0000000000A43000-memory.dmp

Filesize
3.0MB

Download
memory/2704-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-17-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2704-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-20-0x0000000000230000-0x00000000004B1000-memory.dmp

Filesize
2.5MB

Download
memory/2772-21-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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