Malware Analysis Report

2024-09-23 06:18

Sample ID 240617-h2blestejn
Target b754be589fd0473c3a909717e2aa9378_JaffaCakes118
SHA256 a434c597f137d678f6268a84221b5f9ae8c09dda75443568e0ceedd222f22409
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

a434c597f137d678f6268a84221b5f9ae8c09dda75443568e0ceedd222f22409

Threat Level: Known bad

The file b754be589fd0473c3a909717e2aa9378_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 07:13

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 07:13

Reported

2024-06-17 07:16

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b754be589fd0473c3a909717e2aa9378_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b754be589fd0473c3a909717e2aa9378_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b754be589fd0473c3a909717e2aa9378_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 124

Network

N/A

Files

memory/2976-0-0x000000000F450000-0x000000000F466000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 07:13

Reported

2024-06-17 07:16

Platform

win10v2004-20240611-en

Max time kernel

94s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b754be589fd0473c3a909717e2aa9378_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\b754be589fd0473c3a909717e2aa9378_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b754be589fd0473c3a909717e2aa9378_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.90.14.23.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 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 107.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1904-0-0x000000000F360000-0x000000000F376000-memory.dmp