Malware Analysis Report

2025-08-10 20:10

Sample ID 250518-l112gaan8y
Target 2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab
SHA256 16d367eb237cc90bd6ccbf9323215c08f2ddf748cbcdcfebbdc5bdc73798b6fe
Tags
gandcrab backdoor discovery persistence ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

16d367eb237cc90bd6ccbf9323215c08f2ddf748cbcdcfebbdc5bdc73798b6fe

Threat Level: Known bad

The file 2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor discovery persistence ransomware

GandCrab payload

Gandcrab family

Gandcrab

Adds Run key to start application

Enumerates connected drives

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-05-18 10:00

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

2025-05-18 10:00

Reported

2025-05-18 10:03

Platform

win10v2004-20250502-en

Max time kernel

105s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe"

Signatures

GandCrab payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Gandcrab

ransomware backdoor gandcrab

Gandcrab family

gandcrab

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-186956858-2143653872-2609589082-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hesbqlhlaes = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-186956858-2143653872-2609589082-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\slbakyopsds = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe" C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.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\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_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\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe

"C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe"

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe

C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.exe

C:\Users\Admin\AppData\Local\Temp\2025-05-18_c02e5c48d977e27a7d0f58e13de25752_elex_gandcrab.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 ipv4bot.whatismyipaddress.com udp
GB 2.18.27.82:443 www.bing.com tcp
GB 2.18.27.82:443 www.bing.com tcp
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 c.pki.goog udp
GB 142.250.178.3:80 c.pki.goog tcp

Files

memory/4968-0-0x000000000F9E0000-0x000000000F9F6AF4-memory.dmp

memory/4968-3-0x000000000F9E0000-0x000000000F9F6AF4-memory.dmp

memory/2732-4-0x000000000F9E0000-0x000000000F9F6AF4-memory.dmp