Malware Analysis Report

2025-05-06 01:36

Sample ID 250106-cds8nsskc1
Target JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481
SHA256 1bf5d0352077d44df01931aba5b9f9e9259114a64b793b9c0e7e5fcb35186a53
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

1bf5d0352077d44df01931aba5b9f9e9259114a64b793b9c0e7e5fcb35186a53

Threat Level: Known bad

The file JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481 was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader

Guloader family

Guloader,Cloudeye

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-06 01:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-06 01:58

Reported

2025-01-06 02:00

Platform

win7-20240903-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.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_07d2c3ef2e0067bf3ab7ebb589e87481.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe"

Network

N/A

Files

memory/1088-2-0x00000000002B0000-0x00000000002BB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-06 01:58

Reported

2025-01-06 02:00

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.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_07d2c3ef2e0067bf3ab7ebb589e87481.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07d2c3ef2e0067bf3ab7ebb589e87481.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4996-2-0x0000000002970000-0x000000000297B000-memory.dmp