Malware Analysis Report

2025-01-03 08:52

Sample ID 240509-e2dt1add52
Target 284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118
SHA256 2d4fed9f16b3c4cece6d0f772cfb23e7b3a88406a704b05a10315a61f7d668e4
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

2d4fed9f16b3c4cece6d0f772cfb23e7b3a88406a704b05a10315a61f7d668e4

Threat Level: Known bad

The file 284ab55c2ab3bc4a25d5f10be9878fc3_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

2024-05-09 04:25

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 04:25

Reported

2024-05-09 04:34

Platform

win7-20240419-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 124

Network

N/A

Files

memory/1516-0-0x000000000F7F0000-0x000000000F806000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 04:25

Reported

2024-05-09 04:35

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\284ab55c2ab3bc4a25d5f10be9878fc3_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\284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\284ab55c2ab3bc4a25d5f10be9878fc3_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2444 -ip 2444

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 344

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2444-0-0x000000000F850000-0x000000000F866000-memory.dmp