Malware Analysis Report

2024-10-18 21:49

Sample ID 240525-vy5fjscc55
Target 72b51962eae6881872989c6f9b619335_JaffaCakes118
SHA256 b34d899d6bcbac620b5c78c03f18996de9e5387c6790859afe2fb583c3300ba8
Tags
gandcrab 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

b34d899d6bcbac620b5c78c03f18996de9e5387c6790859afe2fb583c3300ba8

Threat Level: Known bad

The file 72b51962eae6881872989c6f9b619335_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab persistence

GandCrab payload

Gandcrab family

Adds Run key to start application

Enumerates connected drives

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-25 17:24

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

2024-05-25 17:24

Reported

2024-05-25 17:27

Platform

win7-20240215-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\puprrmycgrb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_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\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe"

Network

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

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-25 17:24

Reported

2024-05-25 17:27

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\xkknnoxxgrj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\72b51962eae6881872989c6f9b619335_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
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 10.179.89.13.in-addr.arpa udp

Files

N/A