Malware Analysis Report

2025-08-05 14:07

Sample ID 230808-jfyz9sbc44
Target 3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22
SHA256 3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22
Tags
guloader 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

3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22

Threat Level: Known bad

The file 3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22 was found to be: Known bad.

Malicious Activity Summary

guloader downloader

Guloader,Cloudeye

Enumerates connected drives

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-08 07:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-08 07:37

Reported

2023-08-08 07:39

Platform

win7-20230712-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe

"C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe"

Network

N/A

Files

memory/2568-56-0x0000000000530000-0x0000000000540000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-08 07:37

Reported

2023-08-08 07:39

Platform

win10v2004-20230703-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe"

Signatures

Guloader,Cloudeye

downloader guloader

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe

"C:\Users\Admin\AppData\Local\Temp\3e126300aea902a20d883fa4eff7d5c00705fd8c5ee845246a04684e8bd73a22.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 63.141.182.52.in-addr.arpa udp

Files

memory/2828-135-0x00000000024D0000-0x00000000024E0000-memory.dmp

memory/2828-136-0x00000000024D0000-0x00000000024E0000-memory.dmp