formbook | e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f

General

Target

6c3b0221a0d2bbcd925cf13b36d41533.exe
Size

650KB
MD5

6c3b0221a0d2bbcd925cf13b36d41533
SHA1

050767238d3993ed5dbdd4ca83bbd354d7432758
SHA256

e881b599bdef921677c57eeeb516ab55d6ba988637113a43949f923276a09c8f
SHA512

562035c90e1948efa054e05b54ea365fbdcc20c256d71a23d33f67e06d33642603bda3bac9cfd60e960221cc62b16f7a4d38c6c79d4f3e0e526c8c6c749f40e8
SSDEEP

12288:p0pei36RSGHQIJWN/LKDp4QcqPsg7NueQ9K9ti9n5c8yr98IzPdbQ/3:epp36PfJq/LwcqPZLi0uQxY

Score

10^/10

formbook dn03 execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn03

Decoy

almouranipainting.com

cataloguia.shop

zaparielectric.com

whcqsc.com

ioco.in

aduredmond.com

vavada611a.fun

humtivers.com

jewellerytml.com

mcapitalparticipacoes.com

inhlcq.shop

solanamall.xyz

moviepropgroup.com

thegenesis.ltd

cyberxdefend.com

skinbykoco.com

entermintlead.com

honestaireviews.com

wyclhj7gqfustzp.buzz

w937xb.com

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2728-11-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid process

2648 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

6c3b0221a0d2bbcd925cf13b36d41533.exe

description pid process target process

PID 2180 set thread context of 2728 2180 6c3b0221a0d2bbcd925cf13b36d41533.exe 6c3b0221a0d2bbcd925cf13b36d41533.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6c3b0221a0d2bbcd925cf13b36d41533.exepowershell.exe

pid process

2728 6c3b0221a0d2bbcd925cf13b36d41533.exe
2648 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2648 powershell.exe

pid	process
2648	powershell.exe

description	pid	process	target process
PID 2180 set thread context of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe

pid	process
2728	6c3b0221a0d2bbcd925cf13b36d41533.exe
2648	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2648	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

6c3b0221a0d2bbcd925cf13b36d41533.exe

description	pid	process	target process
PID 2180 wrote to memory of 2648	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	powershell.exe
PID 2180 wrote to memory of 2648	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	powershell.exe
PID 2180 wrote to memory of 2648	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	powershell.exe
PID 2180 wrote to memory of 2648	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	powershell.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe
PID 2180 wrote to memory of 2728	2180	6c3b0221a0d2bbcd925cf13b36d41533.exe	6c3b0221a0d2bbcd925cf13b36d41533.exe

C:\Users\Admin\AppData\Local\Temp\6c3b0221a0d2bbcd925cf13b36d41533.exe
"C:\Users\Admin\AppData\Local\Temp\6c3b0221a0d2bbcd925cf13b36d41533.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2180
- 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\6c3b0221a0d2bbcd925cf13b36d41533.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Users\Admin\AppData\Local\Temp\6c3b0221a0d2bbcd925cf13b36d41533.exe
  "C:\Users\Admin\AppData\Local\Temp\6c3b0221a0d2bbcd925cf13b36d41533.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2728

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2180-6-0x0000000004820000-0x0000000004896000-memory.dmp

Filesize
472KB

Download
memory/2180-1-0x0000000000EF0000-0x0000000000F96000-memory.dmp

Filesize
664KB

Download
memory/2180-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-3-0x0000000000500000-0x0000000000522000-memory.dmp

Filesize
136KB

Download
memory/2180-4-0x0000000000310000-0x000000000031C000-memory.dmp

Filesize
48KB

Download
memory/2180-5-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/2180-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/2180-12-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2728-13-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download

Analysis

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