Malware Analysis Report

2025-01-03 08:39

Sample ID 240509-j7hglabf38
Target 2915ad2051d315ce2be64a937f199568_JaffaCakes118
SHA256 c4dfbd12e863527f39c0553869b72509b144dc41a51dd5fe532297dd88b4d20e
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

c4dfbd12e863527f39c0553869b72509b144dc41a51dd5fe532297dd88b4d20e

Threat Level: Known bad

The file 2915ad2051d315ce2be64a937f199568_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

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-09 08:18

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

2024-05-09 08:18

Reported

2024-05-09 08:21

Platform

win7-20240508-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2915ad2051d315ce2be64a937f199568_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2915ad2051d315ce2be64a937f199568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2915ad2051d315ce2be64a937f199568_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 124

Network

N/A

Files

memory/2472-0-0x000000000F9E0000-0x000000000F9F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 08:18

Reported

2024-05-09 08:21

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2915ad2051d315ce2be64a937f199568_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\2915ad2051d315ce2be64a937f199568_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2915ad2051d315ce2be64a937f199568_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2540 -ip 2540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/2540-0-0x000000000F630000-0x000000000F646000-memory.dmp