Malware Analysis Report

2025-05-28 18:51

Sample ID 250111-ggte3azlaq
Target JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00
SHA256 c93734c104f5f6cd777ffac5fdb3e8879c3fab954f089622de9f3c9146dc6b57
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

c93734c104f5f6cd777ffac5fdb3e8879c3fab954f089622de9f3c9146dc6b57

Threat Level: Known bad

The file JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00 was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader

Guloader family

Guloader,Cloudeye

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-11 05:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-11 05:46

Reported

2025-01-11 05:49

Platform

win7-20241010-en

Max time kernel

73s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.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_f8a924d2d41b0e7d4e5a8b5d46602e00.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.exe"

Network

N/A

Files

memory/1740-2-0x00000000003B0000-0x00000000003CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-11 05:46

Reported

2025-01-11 05:49

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.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_f8a924d2d41b0e7d4e5a8b5d46602e00.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8a924d2d41b0e7d4e5a8b5d46602e00.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4044-2-0x00000000022A0000-0x00000000022BE000-memory.dmp

memory/4044-3-0x00000000022A0000-0x00000000022BE000-memory.dmp