Malware Analysis Report

2024-09-23 06:04

Sample ID 240605-13yrfsbd69
Target 99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118
SHA256 8f6d53947b742a04b7f40d9355b1ec25e4305ff29002b4455815a465681fefdc
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

8f6d53947b742a04b7f40d9355b1ec25e4305ff29002b4455815a465681fefdc

Threat Level: Known bad

The file 99600cb9fd923fc2e988c235ac9fe8cd_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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-05 22:11

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

2024-06-05 22:11

Reported

2024-06-05 22:16

Platform

win7-20240220-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\icnfzzpemyy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_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\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_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

2024-06-05 22:11

Reported

2024-06-05 22:16

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\bydcnoqgdlu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_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\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\99600cb9fd923fc2e988c235ac9fe8cd_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp

Files

N/A