Malware Analysis Report

2024-09-23 06:17

Sample ID 240617-c1b8nszgjg
Target b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118
SHA256 29620db228b46a55e02e8cec6152f57ec387de28f2f3a24c6f8201d99710b346
Tags
gandcrab backdoor ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

29620db228b46a55e02e8cec6152f57ec387de28f2f3a24c6f8201d99710b346

Threat Level: Known bad

The file b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

Gandcrab

Gandcrab family

GandCrab payload

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-17 02:32

Signatures

GandCrab payload

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

Gandcrab family

gandcrab

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 02:32

Reported

2024-06-17 02:34

Platform

win7-20240221-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 124

Network

N/A

Files

memory/2492-0-0x000000000F4B0000-0x000000000F4C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 02:32

Reported

2024-06-17 02:34

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe"

Signatures

GandCrab payload

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

Gandcrab

ransomware backdoor gandcrab

Processes

C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6626902e21087e8b2ad73ce881ef37b_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3352 -ip 3352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3352 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3352-0-0x000000000F960000-0x000000000F976000-memory.dmp