Malware Analysis Report

2024-09-23 05:30

Sample ID 240531-cctg2sba5x
Target 56cd90fac586cba54f91b085af262730.bin
SHA256 cfd3dd5295daaa16c5aef685c04582b0ffa467c13db6a3aa47eecffe237573be
Tags
gandcrab
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

cfd3dd5295daaa16c5aef685c04582b0ffa467c13db6a3aa47eecffe237573be

Threat Level: Known bad

The file 56cd90fac586cba54f91b085af262730.bin was found to be: Known bad.

Malicious Activity Summary

gandcrab

Gandcrab family

GandCrab payload

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 01:56

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

2024-05-31 01:56

Reported

2024-05-31 01:58

Platform

win7-20240221-en

Max time kernel

121s

Max time network

128s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 232

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 01:56

Reported

2024-05-31 01:58

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1324 wrote to memory of 3476 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1324 wrote to memory of 3476 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1324 wrote to memory of 3476 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\56cd90fac586cba54f91b085af262730.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3476 -ip 3476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 624

Network

Country Destination Domain Proto
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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A