Malware Analysis Report

2025-01-03 08:44

Sample ID 240505-26rb8ahb5t
Target 19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118
SHA256 eac07fa61a06748546fa9c98264d3089fffcf23ab4571356d8227a99edf7ff03
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

eac07fa61a06748546fa9c98264d3089fffcf23ab4571356d8227a99edf7ff03

Threat Level: Known bad

The file 19a12e04e9b30b9a6bed6b30cad145f9_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

2024-05-05 23:11

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

2024-05-05 23:11

Reported

2024-05-05 23:14

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118.exe"

Signatures

GandCrab payload

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

Gandcrab

ransomware backdoor gandcrab

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1284 -s 124

Network

N/A

Files

memory/1284-0-0x000000000F070000-0x000000000F0869EC-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-05 23:11

Reported

2024-05-05 23:14

Platform

win10v2004-20240419-en

Max time kernel

132s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\19a12e04e9b30b9a6bed6b30cad145f9_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\19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\19a12e04e9b30b9a6bed6b30cad145f9_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 69.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4916-0-0x000000000FE80000-0x000000000FE969EC-memory.dmp