Malware Analysis Report

2025-08-05 14:06

Sample ID 230807-q8vlwafe89
Target e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848
SHA256 e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848
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

e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848

Threat Level: Known bad

The file e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848 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 13:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-07 13:56

Reported

2023-08-07 13:58

Platform

win7-20230712-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe

"C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe"

Network

N/A

Files

memory/2204-56-0x0000000000240000-0x0000000000251000-memory.dmp

memory/2204-57-0x0000000000240000-0x0000000000251000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-07 13:56

Reported

2023-08-07 13:59

Platform

win10v2004-20230703-en

Max time kernel

93s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.exe

"C:\Users\Admin\AppData\Local\Temp\e62fe57617b73baf6e703280e3702bf787ec63bd215a7c7ce8d0fc66ee2e4848.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 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 126.128.241.8.in-addr.arpa udp

Files

memory/4444-135-0x0000000000AE0000-0x0000000000AF1000-memory.dmp

memory/4444-136-0x0000000000AE0000-0x0000000000AF1000-memory.dmp