Malware Analysis Report

2025-01-03 09:00

Sample ID 240927-n8lymatgld
Target 20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab
SHA256 473ff559180c10cb231fe5b6e31e41fcef963308e13f60f51fbb434b92ca64bf
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

473ff559180c10cb231fe5b6e31e41fcef963308e13f60f51fbb434b92ca64bf

Threat Level: Known bad

The file 20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab 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

2024-09-27 12:04

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 12:04

Reported

2024-09-27 12:06

Platform

win7-20240708-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\tuipppjvsut = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.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\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.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\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.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 12:04

Reported

2024-09-27 12:06

Platform

win10v2004-20240910-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ruexomvuvsf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.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\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.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\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\20240927e9a0a642b25ae9f224c24976e3c1fcb1gandcrab.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A