Malware Analysis Report

2025-01-03 08:42

Sample ID 240504-yvtfnahf9x
Target 14482d720ca414b66340964da9d65036_JaffaCakes118
SHA256 b323df0d03003d63a31e6b6c629f261e70806df26772548346a98e74dff7795d
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

b323df0d03003d63a31e6b6c629f261e70806df26772548346a98e74dff7795d

Threat Level: Known bad

The file 14482d720ca414b66340964da9d65036_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

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-04 20:06

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

2024-05-04 20:06

Reported

2024-05-04 20:09

Platform

win7-20240220-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14482d720ca414b66340964da9d65036_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\14482d720ca414b66340964da9d65036_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14482d720ca414b66340964da9d65036_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 124

Network

N/A

Files

memory/2280-0-0x000000000FD10000-0x000000000FD26000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-04 20:06

Reported

2024-05-04 20:09

Platform

win10v2004-20240419-en

Max time kernel

133s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14482d720ca414b66340964da9d65036_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\14482d720ca414b66340964da9d65036_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14482d720ca414b66340964da9d65036_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2656 -ip 2656

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
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 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 88.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.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

Files

memory/2656-0-0x000000000F9F0000-0x000000000FA06000-memory.dmp