Malware Analysis Report

2024-09-23 05:56

Sample ID 240602-p1xktsdf43
Target 8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118
SHA256 f0cce9bb1ede97017e6edac8f3372c522df26b73a6f136cfcfb2e1d94d0e3168
Tags
gandcrab backdoor persistence ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

f0cce9bb1ede97017e6edac8f3372c522df26b73a6f136cfcfb2e1d94d0e3168

Threat Level: Known bad

The file 8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab backdoor persistence ransomware

GandCrab payload

Gandcrab

Adds Run key to start application

Enumerates connected drives

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-02 12:48

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 12:48

Reported

2024-06-02 12:50

Platform

win10v2004-20240508-en

Max time kernel

131s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ncgtlvhfosv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\yqmfis.exe\"" C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.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 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 29.243.111.52.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 57.169.31.20.in-addr.arpa udp
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/4828-0-0x0000000000E50000-0x0000000000E66000-memory.dmp

memory/4828-1-0x0000000000780000-0x0000000000781000-memory.dmp

memory/4828-2-0x0000000000790000-0x00000000007A3000-memory.dmp

memory/4828-8-0x0000000000E50000-0x0000000000E66000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 12:48

Reported

2024-06-02 12:50

Platform

win7-20240221-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\egvfiikhbgz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\blugrz.exe\"" C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e1ffd472512ad61ebfe9f4bc3c1fba0_JaffaCakes118.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/2784-0-0x0000000000270000-0x0000000000286000-memory.dmp

memory/2784-2-0x0000000000250000-0x0000000000263000-memory.dmp

memory/2784-1-0x0000000000070000-0x0000000000071000-memory.dmp

memory/2784-8-0x0000000000270000-0x0000000000286000-memory.dmp