formbook | 35a2017af959b6e43cb129fc6c18c7e21bc0a1d850b1e74101bbb95d8c5bd3c0

Analysis

max time kernel
150s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 11:38

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General

Target

6b5c6aefc470e66a1d12bc56437f48a0.exe
Size

607KB
MD5

6b5c6aefc470e66a1d12bc56437f48a0
SHA1

e5c903c9a731c3abfbdb5141d926616bf7b54beb
SHA256

35a2017af959b6e43cb129fc6c18c7e21bc0a1d850b1e74101bbb95d8c5bd3c0
SHA512

704503ceaef70125d52e42cc75cf5dad0c05e27564ed67aef5605ade8cce461100c37598c1c798ea7d39e2f6635ca7c1cd9d7f76725d749769b2c5d414c7c34b
SSDEEP

12288:JtOsBgo0q4wMtAoUL2J5ANhBPTtqmYojYgRULYyo6SA:JtOsBgo0q4wMYhxBqmqgRULYyZ

Score

10^/10

formbook mjf5 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mjf5

Decoy

scxmarine.com

4week-keto-results.com

alllivesmattertojesus.info

stoxets.com

psm-gen.com

u2collect.com

steveandgail.com

dgemediagroup.com

ragsxghi.com

hirobasushinv.com

fcvlamingo.com

thebrownseaproject.com

achalaproductions.com

unstoppableinvesting.com

epay12303.com

polenmoda.com

pgpitagi.com

picksfacts.com

allhubph.com

negociandocomvocebr.com

Signatures

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/4720-7-0x0000000004F00000-0x0000000004F12000-memory.dmp	CustAttr

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1176-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4720 set thread context of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4720	6b5c6aefc470e66a1d12bc56437f48a0.exe
4720	6b5c6aefc470e66a1d12bc56437f48a0.exe
1176	6b5c6aefc470e66a1d12bc56437f48a0.exe
1176	6b5c6aefc470e66a1d12bc56437f48a0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 1808	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	108
PID 4720 wrote to memory of 1808	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	108
PID 4720 wrote to memory of 1808	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	108
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107
PID 4720 wrote to memory of 1176	4720	6b5c6aefc470e66a1d12bc56437f48a0.exe	107

C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe
"C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe
  "C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1176
- C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe
  "C:\Users\Admin\AppData\Local\Temp\6b5c6aefc470e66a1d12bc56437f48a0.exe"
  2⤵
  PID:1808

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1176-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1176-15-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/4720-6-0x00000000055E0000-0x00000000055EA000-memory.dmp

Filesize
40KB

Download
memory/4720-3-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/4720-4-0x0000000005660000-0x00000000056FC000-memory.dmp

Filesize
624KB

Download
memory/4720-5-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/4720-0-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4720-7-0x0000000004F00000-0x0000000004F12000-memory.dmp

Filesize
72KB

Download
memory/4720-8-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4720-9-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/4720-10-0x0000000007180000-0x0000000007202000-memory.dmp

Filesize
520KB

Download
memory/4720-11-0x0000000007200000-0x000000000723A000-memory.dmp

Filesize
232KB

Download
memory/4720-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/4720-14-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/4720-1-0x0000000000AB0000-0x0000000000B4E000-memory.dmp

Filesize
632KB

Download