Malware Analysis Report

2025-01-03 09:04

Sample ID 240927-hakd9asdrc
Target 202409273b5008203065d9c6851627e4a2c423d4gandcrab
SHA256 50457a86ad7c4eb886b78502bd20bb2474f82bd8e933d90b98806e5270e73986
Tags
gandcrab discovery persistence
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

50457a86ad7c4eb886b78502bd20bb2474f82bd8e933d90b98806e5270e73986

Threat Level: Known bad

The file 202409273b5008203065d9c6851627e4a2c423d4gandcrab was found to be: Known bad.

Malicious Activity Summary

gandcrab discovery persistence

GandCrab payload

Gandcrab family

Adds Run key to start application

Enumerates connected drives

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 06:31

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

2024-09-27 06:31

Reported

2024-09-27 06:34

Platform

win7-20240903-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\qitgglonuaq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.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\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe"

Network

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

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 06:31

Reported

2024-09-27 06:34

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\mfehaixtzjk = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.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\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409273b5008203065d9c6851627e4a2c423d4gandcrab.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4264,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4500 /prefetch:8

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

N/A