Malware Analysis Report

2025-01-02 09:41

Sample ID 240902-vv65zathrl
Target 01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031
SHA256 01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031
Tags
gcleaner discovery loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031

Threat Level: Known bad

The file 01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-02 17:19

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 17:19

Reported

2024-09-02 17:22

Platform

win11-20240802-en

Max time kernel

32s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe

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\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.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\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe

"C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 820

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 1092

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 1348

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 340 -ip 340

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 1632

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 340 -ip 340

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 1704

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/340-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/340-2-0x0000000000900000-0x000000000093C000-memory.dmp

memory/340-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/340-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/340-13-0x00000000006F0000-0x00000000007F0000-memory.dmp

memory/340-15-0x0000000000400000-0x0000000000453000-memory.dmp

memory/340-16-0x0000000000900000-0x000000000093C000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/340-18-0x0000000000400000-0x000000000043F000-memory.dmp

memory/340-29-0x0000000000400000-0x0000000000453000-memory.dmp

memory/340-35-0x0000000000400000-0x0000000000453000-memory.dmp

memory/340-36-0x0000000000400000-0x000000000043F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 17:19

Reported

2024-09-02 17:22

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe"

Signatures

GCleaner

loader gcleaner

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.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\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.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\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe

"C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 460

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 488

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 740

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 988

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 584 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 1620

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4400 -ip 4400

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 1600

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "01cadf3859ec164b87007c62a80b897f9a4d9afecffc3c912e4ead6e35759031.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 35.211.222.173.in-addr.arpa udp
US 52.111.227.13:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4400-1-0x0000000000530000-0x0000000000630000-memory.dmp

memory/4400-2-0x0000000002070000-0x00000000020AC000-memory.dmp

memory/4400-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4400-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4400-13-0x0000000000530000-0x0000000000630000-memory.dmp

memory/4400-14-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4400-16-0x0000000002070000-0x00000000020AC000-memory.dmp

memory/4400-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VNN58CU3\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4400-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4400-35-0x0000000000400000-0x0000000000453000-memory.dmp