Malware Analysis Report

2024-09-23 05:45

Sample ID 240604-jkcb3aad22
Target 94095e917c84c196b293b9c6a1902b76_JaffaCakes118
SHA256 5e8c867a50cfa20ed54ea24cdea49a43d7b30fd442e682a704fa6f5ce126ba3e
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

5e8c867a50cfa20ed54ea24cdea49a43d7b30fd442e682a704fa6f5ce126ba3e

Threat Level: Known bad

The file 94095e917c84c196b293b9c6a1902b76_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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-04 07:43

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: behavioral1

Detonation Overview

Submitted

2024-06-04 07:43

Reported

2024-06-04 07:45

Platform

win7-20240221-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94095e917c84c196b293b9c6a1902b76_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\94095e917c84c196b293b9c6a1902b76_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94095e917c84c196b293b9c6a1902b76_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 124

Network

N/A

Files

memory/2972-0-0x000000000FC80000-0x000000000FC96000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 07:43

Reported

2024-06-04 07:45

Platform

win10v2004-20240508-en

Max time kernel

139s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94095e917c84c196b293b9c6a1902b76_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\94095e917c84c196b293b9c6a1902b76_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\94095e917c84c196b293b9c6a1902b76_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3992 -ip 3992

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3992-0-0x000000000F270000-0x000000000F286000-memory.dmp