Malware Analysis Report

2024-09-23 05:13

Sample ID 240611-gfv79swgmf
Target 9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118
SHA256 9928103e423fa4f6f302911082994f5c11f8deadd7c43025f4de87a78fd21ddd
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

9928103e423fa4f6f302911082994f5c11f8deadd7c43025f4de87a78fd21ddd

Threat Level: Known bad

The file 9d299ed522da029daf5f8160ac4fcefa_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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-11 05:45

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

2024-06-11 05:45

Reported

2024-06-11 05:47

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 124

Network

N/A

Files

memory/2188-0-0x000000000FA00000-0x000000000FA16000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 05:45

Reported

2024-06-11 05:47

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9d299ed522da029daf5f8160ac4fcefa_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\9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9d299ed522da029daf5f8160ac4fcefa_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4044 -ip 4044

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 344

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4044-0-0x000000000F7A0000-0x000000000F7B6000-memory.dmp