Malware Analysis Report

2024-10-18 21:50

Sample ID 240525-m1w8ysea8x
Target 71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118
SHA256 9a699d2b0741856c9fd255916a9130f4fa414b2ffe0897f684765158d4caa7a8
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

9a699d2b0741856c9fd255916a9130f4fa414b2ffe0897f684765158d4caa7a8

Threat Level: Known bad

The file 71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor ransomware

Gandcrab

GandCrab payload

Gandcrab family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-25 10:56

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

2024-05-25 10:56

Reported

2024-05-25 10:59

Platform

win7-20240221-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 124

Network

N/A

Files

memory/2212-0-0x000000000F610000-0x000000000F626000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 10:56

Reported

2024-05-25 10:59

Platform

win10v2004-20240508-en

Max time kernel

94s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\71b982a249b7caefe44e6fa0b4a66137_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\71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\71b982a249b7caefe44e6fa0b4a66137_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3092 -ip 3092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 344

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/3092-0-0x000000000FC50000-0x000000000FC66000-memory.dmp