Malware Analysis Report

2025-01-02 09:43

Sample ID 240906-gwlc1azfqp
Target 11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3
SHA256 11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3
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

11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3

Threat Level: Known bad

The file 11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 06:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 06:09

Reported

2024-09-06 06:11

Platform

win10v2004-20240802-en

Max time kernel

98s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe N/A

Enumerates physical storage devices

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\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe

"C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2664 -ip 2664

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 1332

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 52.178.17.2:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/2664-1-0x0000000000540000-0x0000000000640000-memory.dmp

memory/2664-2-0x00000000021B0000-0x00000000021EB000-memory.dmp

memory/2664-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2664-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/2664-13-0x0000000000540000-0x0000000000640000-memory.dmp

memory/2664-15-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2664-16-0x00000000021B0000-0x00000000021EB000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\68XY2BI1\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2664-18-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2664-29-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2664-35-0x0000000000400000-0x0000000000452000-memory.dmp

memory/2664-36-0x0000000000400000-0x000000000043F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 06:09

Reported

2024-09-06 06:11

Platform

win11-20240802-en

Max time kernel

139s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\taskkill.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\taskkill.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe

"C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" & exit

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "11730302b6f6bad37449b53c16ef8cf15d59fd5337bea1371da167ebffc8bbe3.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5080 -ip 5080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1652

Network

Country Destination Domain Proto
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/5080-1-0x0000000000620000-0x0000000000720000-memory.dmp

memory/5080-2-0x00000000022A0000-0x00000000022DB000-memory.dmp

memory/5080-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/5080-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/5080-13-0x0000000000620000-0x0000000000720000-memory.dmp

memory/5080-15-0x0000000000400000-0x0000000000452000-memory.dmp

memory/5080-16-0x00000000022A0000-0x00000000022DB000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\WC3VGW7B\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/5080-18-0x0000000000400000-0x000000000043F000-memory.dmp

memory/5080-29-0x0000000000400000-0x0000000000452000-memory.dmp

memory/5080-35-0x0000000000400000-0x0000000000452000-memory.dmp

memory/5080-36-0x0000000000400000-0x000000000043F000-memory.dmp