Malware Analysis Report

2024-09-23 05:52

Sample ID 240603-csmz7sfh2z
Target 903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118
SHA256 bda037ff8d07214fbfeb67167b4ab584bff498b31f225326566eef86bb5d90f0
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

bda037ff8d07214fbfeb67167b4ab584bff498b31f225326566eef86bb5d90f0

Threat Level: Known bad

The file 903d4b20ddb04635c0a5bd6750d4746e_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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-03 02:20

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

2024-06-03 02:20

Reported

2024-06-03 02:23

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 124

Network

N/A

Files

memory/1964-0-0x000000000F8B0000-0x000000000F8C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 02:20

Reported

2024-06-03 02:23

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\903d4b20ddb04635c0a5bd6750d4746e_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\903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\903d4b20ddb04635c0a5bd6750d4746e_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3136 -ip 3136

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

memory/3136-0-0x000000000FC60000-0x000000000FC76000-memory.dmp