Malware Analysis Report

2025-01-02 09:39

Sample ID 240831-b3v8wsyflq
Target 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe
SHA256 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
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

99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15

Threat Level: Known bad

The file 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 01:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 01:40

Reported

2024-08-31 01:43

Platform

win7-20240729-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe"

Signatures

GCleaner

loader 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\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe

"C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.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/3052-1-0x0000000002870000-0x0000000002970000-memory.dmp

memory/3052-2-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3052-3-0x0000000000400000-0x0000000002736000-memory.dmp

memory/3052-4-0x0000000002870000-0x0000000002970000-memory.dmp

memory/3052-5-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3052-7-0x0000000000400000-0x0000000002736000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 01:40

Reported

2024-08-31 01:43

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe"

Signatures

GCleaner

loader 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\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe

"C:\Users\Admin\AppData\Local\Temp\99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 804

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 756

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 928

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 932

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3364 -ip 3364

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 768

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
DE 185.172.128.90:80 tcp
DE 185.172.128.90:80 tcp

Files

memory/3364-1-0x00007FFCF1310000-0x00007FFCF1505000-memory.dmp

memory/3364-2-0x0000000000400000-0x0000000002736000-memory.dmp

memory/3364-3-0x00007FFCF1310000-0x00007FFCF1505000-memory.dmp

memory/3364-4-0x0000000000400000-0x0000000002736000-memory.dmp