Malware Analysis Report

2024-09-23 06:19

Sample ID 240617-jpvn7s1crh
Target b77be676da20b61e4bfab61028165734_JaffaCakes118
SHA256 0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244
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

0082508e75c453d1584c0e90ab1a9ace0fc9b3e3a42a4cf7913f15ea64c36244

Threat Level: Known bad

The file b77be676da20b61e4bfab61028165734_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

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 07:51

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

2024-06-17 07:51

Reported

2024-06-17 07:53

Platform

win7-20240220-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_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\zqidjmynyhl = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_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\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_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

2024-06-17 07:51

Reported

2024-06-17 07:53

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ipsnuiuseha = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b77be676da20b61e4bfab61028165734_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 ipv4bot.whatismyipaddress.com udp

Files

N/A