Malware Analysis Report

2024-12-06 03:12

Sample ID 241121-zjec2axmgy
Target 34125118c603cbb2c4f6e6362e28ab2b8162de4eadf86dcda60c9df74b8be350
SHA256 34125118c603cbb2c4f6e6362e28ab2b8162de4eadf86dcda60c9df74b8be350
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

34125118c603cbb2c4f6e6362e28ab2b8162de4eadf86dcda60c9df74b8be350

Threat Level: Known bad

The file 34125118c603cbb2c4f6e6362e28ab2b8162de4eadf86dcda60c9df74b8be350 was found to be: Known bad.

Malicious Activity Summary

guloader discovery downloader

Guloader family

Guloader,Cloudeye

Checks QEMU agent file

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 20:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 20:44

Reported

2024-11-21 20:47

Platform

win7-20240903-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

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\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe"

C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe"

Network

Country Destination Domain Proto
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp

Files

memory/1992-2-0x0000000000480000-0x000000000048B000-memory.dmp

memory/1992-3-0x0000000076E51000-0x0000000076F52000-memory.dmp

memory/1992-4-0x0000000000480000-0x000000000048B000-memory.dmp

memory/1992-5-0x0000000076E50000-0x0000000076FF9000-memory.dmp

memory/2448-10-0x0000000076E50000-0x0000000076FF9000-memory.dmp

memory/1992-9-0x0000000077040000-0x0000000077116000-memory.dmp

memory/1992-8-0x0000000000480000-0x000000000048B000-memory.dmp

memory/2448-6-0x0000000000400000-0x0000000000553000-memory.dmp

memory/2448-11-0x0000000000400000-0x0000000000553000-memory.dmp

memory/2448-12-0x0000000000400000-0x0000000000553000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 20:44

Reported

2024-11-21 20:47

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Checks QEMU agent file

Description Indicator Process Target
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A
File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

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\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe"

C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.exe

"C:\Users\Admin\AppData\Local\Temp\d032bf21aa1029b3d49763fd303dd84ad36c303a07ea1293e039bc8c35c0e1e7.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 80.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 81.14.97.104.in-addr.arpa udp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp
NL 45.85.90.226:80 tcp

Files

memory/532-2-0x0000000002370000-0x000000000237B000-memory.dmp

memory/532-3-0x0000000002370000-0x000000000237B000-memory.dmp

memory/532-4-0x0000000077671000-0x0000000077791000-memory.dmp

memory/3596-5-0x0000000000400000-0x000000000055D000-memory.dmp

memory/3596-8-0x0000000000560000-0x0000000000660000-memory.dmp

memory/532-7-0x0000000002370000-0x000000000237B000-memory.dmp

memory/3596-9-0x0000000000400000-0x000000000055D000-memory.dmp