Malware Analysis Report

2024-09-23 06:16

Sample ID 240617-wcyljsxgrd
Target b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118
SHA256 68aba18d7350cfefcf21134571b7cfabfb854ab35c0eb3e6b69b236644e93caa
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

68aba18d7350cfefcf21134571b7cfabfb854ab35c0eb3e6b69b236644e93caa

Threat Level: Known bad

The file b93939b9f33f6058869e6feddf6cc4d7_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 Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-17 17:47

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

2024-06-17 17:47

Reported

2024-06-17 17:49

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 124

Network

N/A

Files

memory/1176-0-0x000000000F1A0000-0x000000000F1B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 17:47

Reported

2024-06-17 17:49

Platform

win10v2004-20240611-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b93939b9f33f6058869e6feddf6cc4d7_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\b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b93939b9f33f6058869e6feddf6cc4d7_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4712 -ip 4712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4712-0-0x000000000F840000-0x000000000F856000-memory.dmp