Malware Analysis Report

2024-09-23 06:17

Sample ID 240616-sngwdssdjl
Target b42decf02c98c89933d48cb26568df44_JaffaCakes118
SHA256 899cf07c0b6a6cbae73358a5294bd95b0ef0cfb9c052e6936a361eaccae84f2d
Tags
persistence gandcrab
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

899cf07c0b6a6cbae73358a5294bd95b0ef0cfb9c052e6936a361eaccae84f2d

Threat Level: Known bad

The file b42decf02c98c89933d48cb26568df44_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

persistence gandcrab

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

2024-06-16 15:16

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: behavioral2

Detonation Overview

Submitted

2024-06-16 15:16

Reported

2024-06-16 15:18

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\sknmmnkovqb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_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\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 15:16

Reported

2024-06-16 15:18

Platform

win7-20240611-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_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\vrprurfqcjw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_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\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b42decf02c98c89933d48cb26568df44_JaffaCakes118.exe"

Network

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

Files

N/A