Malware Analysis Report

2025-08-05 09:05

Sample ID 241230-vnneaasqhv
Target JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1
SHA256 43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1
Tags
rat q4k5 formbook discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1

Threat Level: Known bad

The file JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1 was found to be: Known bad.

Malicious Activity Summary

rat q4k5 formbook discovery

Formbook family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 17:08

Signatures

Formbook family

formbook

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-30 17:08

Reported

2024-12-30 17:10

Platform

win7-20240708-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 36

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 17:08

Reported

2024-12-30 17:10

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43ae39e04656f93cec48507decc4800399e438c444aa51ce2da8fc24594527e1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3096 -ip 3096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 220

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.73.42.20.in-addr.arpa udp

Files

N/A