Malware Analysis Report

2025-01-03 08:41

Sample ID 240507-q97mtsad4s
Target 20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118
SHA256 9f06b66186a2db82b3538322b0a6a9985e5c7b7090b28da5ba833124b50bfab3
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

9f06b66186a2db82b3538322b0a6a9985e5c7b7090b28da5ba833124b50bfab3

Threat Level: Known bad

The file 20c02c3e9c1c2fd7359d935bcd9163ea_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

2024-05-07 13:58

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

2024-05-07 13:58

Reported

2024-05-07 14:01

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 124

Network

N/A

Files

memory/2276-0-0x000000000FF60000-0x000000000FF76000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 13:58

Reported

2024-05-07 14:01

Platform

win10v2004-20240419-en

Max time kernel

133s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20c02c3e9c1c2fd7359d935bcd9163ea_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\20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\20c02c3e9c1c2fd7359d935bcd9163ea_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2436 -ip 2436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2436-0-0x000000000F600000-0x000000000F616000-memory.dmp