Malware Analysis Report

2025-01-03 09:01

Sample ID 240929-lam2xsxfmn
Target 202409293add22a102605b8f3fa0b8bf49520b2cgandcrab
SHA256 5a78ae2cee4ea59f87988fa5e2fcedddb5fee5481f9c2886e2e04898e53db150
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

5a78ae2cee4ea59f87988fa5e2fcedddb5fee5481f9c2886e2e04898e53db150

Threat Level: Known bad

The file 202409293add22a102605b8f3fa0b8bf49520b2cgandcrab 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

System Location Discovery: System Language Discovery

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-29 09:19

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

2024-09-29 09:19

Reported

2024-09-29 09:22

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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\yegaufrywoc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe"

Network

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

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-29 09:19

Reported

2024-09-29 09:22

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\cwzccxaqntb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe" C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\202409293add22a102605b8f3fa0b8bf49520b2cgandcrab.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

N/A