Malware Analysis Report

2024-09-23 05:21

Sample ID 240602-lkfetsab23
Target 8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118
SHA256 e53224e33262068af6fd95446ad228dc9fe41d0e2f83396d3b4b2d4c2f1abeb6
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

e53224e33262068af6fd95446ad228dc9fe41d0e2f83396d3b4b2d4c2f1abeb6

Threat Level: Known bad

The file 8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

GandCrab payload

Gandcrab family

Gandcrab

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 09:35

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

2024-06-02 09:35

Reported

2024-06-02 09:37

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 124

Network

N/A

Files

memory/2332-0-0x000000000F0E0000-0x000000000F0F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 09:35

Reported

2024-06-02 09:37

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8da137d4bb38b0153e6a8b233a35450d_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\8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8da137d4bb38b0153e6a8b233a35450d_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3056-0-0x000000000F6F0000-0x000000000F706000-memory.dmp