Malware Analysis Report

2025-01-03 08:39

Sample ID 240508-zt81dsfd4s
Target 26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118
SHA256 b45eb5baa6553b07b8a6b4d19c2dff5fe4d5564e4685101078cb1c7b8cf13d9d
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

b45eb5baa6553b07b8a6b4d19c2dff5fe4d5564e4685101078cb1c7b8cf13d9d

Threat Level: Known bad

The file 26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

GandCrab payload

Gandcrab family

Gandcrab

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-08 21:01

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 21:01

Reported

2024-05-08 21:04

Platform

win7-20240221-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 124

Network

N/A

Files

memory/2456-0-0x000000000F2F0000-0x000000000F306000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 21:01

Reported

2024-05-08 21:04

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26b8d25cb1c2ae30b9f5874b079b3916_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\26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\26b8d25cb1c2ae30b9f5874b079b3916_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2524 -ip 2524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -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
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 193.61.62.23.in-addr.arpa udp
NL 23.62.61.193:443 www.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/2524-0-0x000000000FAF0000-0x000000000FB06000-memory.dmp