Malware Analysis Report

2025-08-05 14:07

Sample ID 230807-lz8d6aga3t
Target 6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0
SHA256 6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0
Tags
guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0

Threat Level: Known bad

The file 6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0 was found to be: Known bad.

Malicious Activity Summary

guloader downloader

Guloader,Cloudeye

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-07 09:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-07 09:59

Reported

2023-08-07 10:01

Platform

win7-20230712-en

Max time kernel

122s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe

"C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe"

Network

N/A

Files

memory/2136-56-0x0000000000290000-0x00000000002B9000-memory.dmp

memory/2136-57-0x0000000000290000-0x00000000002B9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-07 09:59

Reported

2023-08-07 10:01

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe"

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe

"C:\Users\Admin\AppData\Local\Temp\6f575b1d9f7f25473a8d79aebd7847aa03824f750b3c729c6a053d2a2fad88c0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 254.7.248.8.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/4404-135-0x0000000002280000-0x00000000022A9000-memory.dmp

memory/4404-136-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4404-137-0x0000000002280000-0x00000000022A9000-memory.dmp