Malware Analysis Report

2024-09-23 06:17

Sample ID 240617-jk28gsvdlr
Target b7745b842e98ee8026f246788647c448_JaffaCakes118
SHA256 4b7878ae9e3fd4f60c031323eae7a77ae3e049e15bfb10edf66e9f29c312a5ad
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

4b7878ae9e3fd4f60c031323eae7a77ae3e049e15bfb10edf66e9f29c312a5ad

Threat Level: Known bad

The file b7745b842e98ee8026f246788647c448_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 Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 07:44

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 07:44

Reported

2024-06-17 07:47

Platform

win7-20231129-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_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\vctgutgacfo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_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 07:44

Reported

2024-06-17 07:47

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\fwiwesnwvdf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_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\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7745b842e98ee8026f246788647c448_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 243.107.17.2.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 ipv4bot.whatismyipaddress.com udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp

Files

N/A