Malware Analysis Report

2024-09-23 05:28

Sample ID 240531-yawehsag2s
Target 2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany
SHA256 bcd0fa724bb0e8e7536fe197e363fe5d0dc3c99419e61b1e84a53b377648d137
Tags
gandcrab
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

bcd0fa724bb0e8e7536fe197e363fe5d0dc3c99419e61b1e84a53b377648d137

Threat Level: Known bad

The file 2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany was found to be: Known bad.

Malicious Activity Summary

gandcrab

Detects Reflective DLL injection artifacts

Detects ransomware indicator

GandCrab payload

Gandcrab Payload

Gandcrab family

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 19:35

Signatures

Detects Reflective DLL injection artifacts

Description Indicator Process Target
N/A N/A N/A N/A

Detects ransomware indicator

Description Indicator Process Target
N/A N/A N/A N/A

GandCrab payload

Description Indicator Process Target
N/A N/A N/A N/A

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: behavioral2

Detonation Overview

Submitted

2024-05-31 19:35

Reported

2024-05-31 19:38

Platform

win10v2004-20240508-en

Max time kernel

131s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1836 -ip 1836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 272

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 19:35

Reported

2024-05-31 19:38

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-31_cf9dac8a0daf7b2ac51b006d0c0fcc00_bkransomware_gandcrab_karagany.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 88

Network

N/A

Files

N/A