Malware Analysis Report

2024-12-07 10:20

Sample ID 241113-ar7l4stfpk
Target 2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab
SHA256 6d96e97373bcf0ba1f0e9ba56b9c65add659624f04443199771e251ef1a3a9f7
Tags
gandcrab backdoor discovery ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

6d96e97373bcf0ba1f0e9ba56b9c65add659624f04443199771e251ef1a3a9f7

Threat Level: Known bad

The file 2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor discovery ransomware

Gandcrab

GandCrab payload

Gandcrab family

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 00:27

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

2024-11-13 00:27

Reported

2024-11-13 00:30

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe"

Signatures

GandCrab payload

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

Gandcrab

ransomware backdoor gandcrab

Gandcrab family

gandcrab

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 124

Network

N/A

Files

memory/2552-0-0x000000000F9E0000-0x000000000F9F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 00:27

Reported

2024-11-13 00:30

Platform

win10v2004-20241007-en

Max time kernel

92s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe"

Signatures

GandCrab payload

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

Gandcrab

ransomware backdoor gandcrab

Gandcrab family

gandcrab

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-13_68bf5c6305b3cec63bcfa8a21ae14ee6_gandcrab.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 868 -ip 868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp

Files

memory/868-0-0x000000000F360000-0x000000000F376000-memory.dmp