Malware Analysis Report

2025-01-03 08:40

Sample ID 240508-jhhq3acc65
Target 23da067f106deff2518b24b7f89ad146_JaffaCakes118
SHA256 c34b60f5b5ae0ab68e79f4cbb3abbf03cd6bc40c49d124edcf60afb076d362f8
Tags
gandcrab backdoor ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

c34b60f5b5ae0ab68e79f4cbb3abbf03cd6bc40c49d124edcf60afb076d362f8

Threat Level: Known bad

The file 23da067f106deff2518b24b7f89ad146_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

Gandcrab

GandCrab payload

Gandcrab family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 07:40

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

2024-05-08 07:40

Reported

2024-05-08 07:42

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23da067f106deff2518b24b7f89ad146_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\23da067f106deff2518b24b7f89ad146_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23da067f106deff2518b24b7f89ad146_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 124

Network

N/A

Files

memory/3016-0-0x000000000F0D0000-0x000000000F0E6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 07:40

Reported

2024-05-08 07:42

Platform

win10v2004-20240419-en

Max time kernel

132s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23da067f106deff2518b24b7f89ad146_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\23da067f106deff2518b24b7f89ad146_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23da067f106deff2518b24b7f89ad146_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4632 -ip 4632

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4632 -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 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4632-0-0x000000000F150000-0x000000000F166000-memory.dmp