Malware Analysis Report

2025-01-02 09:42

Sample ID 240903-xnehgstfpq
Target 8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9
SHA256 8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9
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

8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9

Threat Level: Known bad

The file 8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Program crash

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-03 18:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-03 18:59

Reported

2024-09-03 19:02

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.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\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.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\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe

"C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 832

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1012

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1412

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4548 -ip 4548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1360

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 42.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 35.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4548-1-0x0000000000800000-0x0000000000900000-memory.dmp

memory/4548-2-0x0000000002210000-0x000000000223D000-memory.dmp

memory/4548-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4548-8-0x0000000000800000-0x0000000000900000-memory.dmp

memory/4548-9-0x0000000000400000-0x00000000005FE000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4548-11-0x0000000002210000-0x000000000223D000-memory.dmp

memory/4548-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4548-22-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4548-21-0x0000000000400000-0x00000000005FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-03 18:59

Reported

2024-09-03 19:02

Platform

win11-20240802-en

Max time kernel

91s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe"

Signatures

GCleaner

loader gcleaner

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\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.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\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe

"C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 1516

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3908 -ip 3908

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 1472

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "8205099f4ade018aedaacd35fe8af71236f4d1d6793da63235a6c04530ecd3e9.exe" /f

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

Files

memory/3908-1-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/3908-2-0x0000000002440000-0x000000000246D000-memory.dmp

memory/3908-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3908-8-0x0000000000950000-0x0000000000A50000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\N0IA4YT0\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3908-10-0x0000000002440000-0x000000000246D000-memory.dmp

memory/3908-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3908-11-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/3908-21-0x0000000000400000-0x00000000005FE000-memory.dmp

memory/3908-22-0x0000000000400000-0x000000000042F000-memory.dmp