Malware Analysis Report

2025-01-03 08:39

Sample ID 240508-j79k3sbb8w
Target 23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118
SHA256 34f2d3c4ccf7bbe360c2a6d0bb3402b1ee623ac12ce7e50010e0206125db8b23
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

34f2d3c4ccf7bbe360c2a6d0bb3402b1ee623ac12ce7e50010e0206125db8b23

Threat Level: Known bad

The file 23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gandcrab persistence

Gandcrab family

GandCrab payload

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

2024-05-08 08:19

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

2024-05-08 08:19

Reported

2024-05-08 08:22

Platform

win7-20231129-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\vzhafqgtzae = "C:\\Users\\Admin\\AppData\\Local\\Temp\\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_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\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_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

2024-05-08 08:19

Reported

2024-05-08 08:22

Platform

win10v2004-20240419-en

Max time kernel

130s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\kwwgubmcxly = "C:\\Users\\Admin\\AppData\\Local\\Temp\\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_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\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\23fa602e3f6b8a916e03391ee9d3c6e3_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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

N/A