Malware Analysis Report

2025-01-03 09:02

Sample ID 240928-vba87aydqc
Target 202409287d9d1811f666650b69f6dfffa19df2a3gandcrab
SHA256 99935372205edeb93c0bac98546c8b193c3b45f5526ec83a1f75b372a5978634
Tags
discovery persistence gandcrab
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

99935372205edeb93c0bac98546c8b193c3b45f5526ec83a1f75b372a5978634

Threat Level: Known bad

The file 202409287d9d1811f666650b69f6dfffa19df2a3gandcrab was found to be: Known bad.

Malicious Activity Summary

discovery persistence gandcrab

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

2024-09-28 16:48

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: behavioral2

Detonation Overview

Submitted

2024-09-28 16:48

Reported

2024-09-28 16:51

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hrqgroctxeu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.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\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe"

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-28 16:48

Reported

2024-09-28 16:50

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\golgprwksrp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.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\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409287d9d1811f666650b69f6dfffa19df2a3gandcrab.exe"

Network

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

Files

N/A