Malware Analysis Report

2024-10-19 08:27

Sample ID 240125-v4v43acfdr
Target 2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab
SHA256 0b6e7ea3e1a0aebfdbb1283cadd5492f0e1776c303beb2d8f4cc78b4a7dfe824
Tags
persistence kinsing loader gandcrab
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0b6e7ea3e1a0aebfdbb1283cadd5492f0e1776c303beb2d8f4cc78b4a7dfe824

Threat Level: Known bad

The file 2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab was found to be: Known bad.

Malicious Activity Summary

persistence kinsing loader gandcrab

Detects Reflective DLL injection artifacts

Gandcrab Payload

Gandcrab family

Kinsing

Detects ransomware indicator

GandCrab payload

Adds Run key to start application

Enumerates connected drives

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-25 17:33

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: behavioral1

Detonation Overview

Submitted

2024-01-25 17:33

Reported

2024-01-25 17:35

Platform

win7-20231215-en

Max time kernel

117s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\wlpdudtezub = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-25 17:33

Reported

2024-01-25 17:35

Platform

win10v2004-20231215-en

Max time kernel

154s

Max time network

161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe"

Signatures

Kinsing

loader kinsing

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ygrkgbzqgcm = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\2024-01-25_91b1ba3cdf65c4eb41158a8e88dfe81a_gandcrab.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

N/A