Malware Analysis Report

2024-09-23 06:18

Sample ID 240618-nvkhmswemk
Target bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118
SHA256 c9b7fc45e40ba89bfb9f9e4cea087767e234702fdc60050a0d249bce226a7171
Tags
gandcrab backdoor ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c9b7fc45e40ba89bfb9f9e4cea087767e234702fdc60050a0d249bce226a7171

Threat Level: Known bad

The file bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

Gandcrab family

GandCrab payload

Gandcrab

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-18 11:43

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: behavioral2

Detonation Overview

Submitted

2024-06-18 11:43

Reported

2024-06-18 11:45

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbbfaa7767bf064425e721604ac5ab51_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\bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 700 -ip 700

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 700 -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
BE 88.221.83.218:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 218.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/700-0-0x000000000F2B0000-0x000000000F2C6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-18 11:43

Reported

2024-06-18 11:45

Platform

win7-20240508-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bbbfaa7767bf064425e721604ac5ab51_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 124

Network

N/A

Files

memory/2236-0-0x000000000F590000-0x000000000F5A6000-memory.dmp