Malware Analysis Report

2025-08-05 14:06

Sample ID 230805-n5eedadg31
Target 5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b
SHA256 5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b
Tags
guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b

Threat Level: Known bad

The file 5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b was found to be: Known bad.

Malicious Activity Summary

guloader downloader

Guloader,Cloudeye

Checks QEMU agent state file

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-05 11:58

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-05 11:58

Reported

2023-08-05 12:01

Platform

win10v2004-20230703-en

Max time kernel

84s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Checks QEMU agent state file

Description Indicator Process Target
File opened (read-only) C:\ProgramData\qemu-ga\qga.state C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe

"C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 254.209.247.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4220-135-0x0000000002300000-0x000000000230D000-memory.dmp

memory/4220-136-0x0000000077921000-0x0000000077A41000-memory.dmp

memory/4220-137-0x0000000002300000-0x000000000230D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-05 11:58

Reported

2023-08-05 12:01

Platform

win7-20230712-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Checks QEMU agent state file

Description Indicator Process Target
File opened (read-only) C:\ProgramData\qemu-ga\qga.state C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe

"C:\Users\Admin\AppData\Local\Temp\5f01c5f1f3fcf770ba41f23d251bb1ad40fbb537661d4516674d3abb63774e3b.exe"

Network

N/A

Files

memory/2632-55-0x0000000000250000-0x000000000025D000-memory.dmp

memory/2632-56-0x0000000076D40000-0x0000000076EE9000-memory.dmp

memory/2632-57-0x0000000076F30000-0x0000000077006000-memory.dmp

memory/2632-58-0x0000000000250000-0x000000000025D000-memory.dmp