Malware Analysis Report

2025-01-03 08:49

Sample ID 240507-lqvfyade57
Target 2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo
SHA256 4e9421ac1bbb5ec3e6c62fff89d4a0e8ea374cca083892b6d90f3adc0a01d6f7
Tags
gandcrab backdoor persistence ransomware
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

4e9421ac1bbb5ec3e6c62fff89d4a0e8ea374cca083892b6d90f3adc0a01d6f7

Threat Level: Known bad

The file 2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor persistence ransomware

GandCrab payload

Gandcrab

Detects ransomware indicator

Gandcrab Payload

Adds Run key to start application

Enumerates connected drives

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-07 09:44

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-07 09:44

Reported

2024-05-07 09:47

Platform

win10v2004-20240419-en

Max time kernel

135s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.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

Detects ransomware indicator

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 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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\uzcuuwflvfb = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\iuyfym.exe\"" C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.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\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp
GB 23.73.138.35:443 www.bing.com tcp
US 8.8.8.8:53 35.138.73.23.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 144.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp

Files

memory/992-0-0x00000000009F0000-0x00000000009F1000-memory.dmp

memory/992-1-0x0000000000A00000-0x0000000000A13000-memory.dmp

memory/992-2-0x0000000000A20000-0x0000000000A36000-memory.dmp

memory/992-8-0x0000000000A20000-0x0000000000A36000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-07 09:44

Reported

2024-05-07 09:47

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.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

Detects ransomware indicator

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 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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\eauqmddkxtf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\voqhvv.exe\"" C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.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\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe

"C:\Users\Admin\AppData\Local\Temp\2024-05-07_79934524d49c65c5cf0111dec7a11484_bkransomware_karagany_metamorfo.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 5.39.221.60:80 tcp
NL 5.39.221.60:80 tcp
NL 5.39.221.60:80 tcp
NL 5.39.221.60:80 tcp
NL 5.39.221.60:80 tcp
NL 5.39.221.60:80 tcp

Files

memory/1756-0-0x0000000000250000-0x0000000000266000-memory.dmp

memory/1756-2-0x0000000000130000-0x0000000000143000-memory.dmp

memory/1756-1-0x00000000000E0000-0x00000000000E1000-memory.dmp

memory/1756-8-0x0000000000250000-0x0000000000266000-memory.dmp