Malware Analysis Report

2025-01-03 08:54

Sample ID 240925-zkf81sxapm
Target f6d3e8634245afefc444e9129290b1c6_JaffaCakes118
SHA256 b76fb3e15b9d03b82382adeea2aa38655ba5d69729e8504a5cf145dac412247a
Tags
discovery persistence gandcrab
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

b76fb3e15b9d03b82382adeea2aa38655ba5d69729e8504a5cf145dac412247a

Threat Level: Known bad

The file f6d3e8634245afefc444e9129290b1c6_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery persistence gandcrab

GandCrab payload

Gandcrab family

Adds Run key to start application

Enumerates connected drives

Unsigned PE

System Location Discovery: System Language Discovery

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-25 20:46

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

2024-09-25 20:46

Reported

2024-09-25 20:48

Platform

win10v2004-20240802-en

Max time kernel

94s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\obrcuugksky = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_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\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-25 20:46

Reported

2024-09-25 20:48

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\aoxpuwnmfit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_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\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f6d3e8634245afefc444e9129290b1c6_JaffaCakes118.exe"

Network

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

Files

N/A