Malware Analysis Report

2025-05-28 18:51

Sample ID 250111-gcpw3swrg1
Target JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd
SHA256 7920878337664465adb0254c8135d74c8337cc0a77e6e2aa05c893e76c7f2fb6
Tags
guloader discovery downloader
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

7920878337664465adb0254c8135d74c8337cc0a77e6e2aa05c893e76c7f2fb6

Threat Level: Known bad

The file JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader

Guloader family

Guloader,Cloudeye

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-11 05:39

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-11 05:39

Reported

2025-01-11 05:42

Platform

win7-20241010-en

Max time kernel

14s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

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\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe"

Network

N/A

Files

memory/3016-2-0x0000000000320000-0x0000000000335000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-11 05:39

Reported

2025-01-11 05:42

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

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\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8813d632dfd45f8e903eb6282b732cd.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4556-2-0x0000000002BE0000-0x0000000002BF5000-memory.dmp