Malware Analysis Report

2024-11-30 22:15

Sample ID 241121-x1kj9szkgn
Target 4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa
SHA256 4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa
Tags
gcleaner discovery loader
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

4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa

Threat Level: Known bad

The file 4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Gcleaner family

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 19:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 19:19

Reported

2024-11-21 19:21

Platform

win7-20241010-en

Max time kernel

150s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

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\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

"C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe"

Network

Country Destination Domain Proto
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp

Files

memory/1248-1-0x0000000000630000-0x0000000000730000-memory.dmp

memory/1248-2-0x0000000000220000-0x000000000025C000-memory.dmp

memory/1248-3-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1248-4-0x0000000000630000-0x0000000000730000-memory.dmp

memory/1248-6-0x0000000000220000-0x000000000025C000-memory.dmp

memory/1248-5-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/1248-7-0x0000000000400000-0x0000000000440000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 19:19

Reported

2024-11-21 19:21

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe"

Signatures

GCleaner

loader gcleaner

Gcleaner family

gcleaner

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\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe

"C:\Users\Admin\AppData\Local\Temp\4c91b355c0d02ffdce4751584d0a4228e51a579273e2de81f2531a6e1b8d53aa.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 456

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 840

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 1044

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3428 -ip 3428

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3428 -s 772

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp

Files

memory/3428-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3428-2-0x0000000000640000-0x000000000067C000-memory.dmp

memory/3428-3-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3428-4-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3428-5-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/3428-6-0x0000000000640000-0x000000000067C000-memory.dmp

memory/3428-7-0x0000000000400000-0x0000000000440000-memory.dmp