Malware Analysis Report

2024-09-23 06:11

Sample ID 240615-vn6wmasarn
Target af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118
SHA256 558a2d83788d53c0867b9bf3316a73fd8f57dd78c7eb510f8cab7c0b43706633
Tags
gandcrab persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

558a2d83788d53c0867b9bf3316a73fd8f57dd78c7eb510f8cab7c0b43706633

Threat Level: Known bad

The file af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab persistence

GandCrab payload

Gandcrab family

Enumerates connected drives

Adds Run key to start application

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 17:09

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

2024-06-15 17:09

Reported

2024-06-15 17:11

Platform

win7-20240611-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\yinhpgcgjjo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_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\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_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

2024-06-15 17:09

Reported

2024-06-15 17:11

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\hulvomvmykn = "C:\\Users\\Admin\\AppData\\Local\\Temp\\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_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\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\af7d06567ba0048681ae4bb8ab8f0ed3_JaffaCakes118.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 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 5.173.189.20.in-addr.arpa udp

Files

N/A