Malware Analysis Report

2025-01-02 09:44

Sample ID 240904-lms4psyhje
Target cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae
SHA256 cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae
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

cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae

Threat Level: Known bad

The file cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Downloads MZ/PE file

Checks computer location settings

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Kills process with taskkill

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 09:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 09:39

Reported

2024-09-04 09:41

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe

"C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 440

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 788

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 984

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 1652

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4324 -ip 4324

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 1300

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 88.238.56.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4324-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/4324-2-0x0000000002070000-0x00000000020AB000-memory.dmp

memory/4324-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4324-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4324-13-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/4324-15-0x0000000000400000-0x000000000044D000-memory.dmp

memory/4324-16-0x0000000002070000-0x00000000020AB000-memory.dmp

memory/4324-17-0x0000000000400000-0x000000000043F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4324-27-0x0000000000400000-0x000000000044D000-memory.dmp

memory/4324-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4324-35-0x0000000000400000-0x000000000044D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 09:39

Reported

2024-09-04 09:41

Platform

win11-20240802-en

Max time kernel

81s

Max time network

85s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe

"C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 500

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 820

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 960

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1356

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1644

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4948 -ip 4948

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 1720

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "cc9b97672d32e3017c5044b48312043737a301cd4d861b97f95f184bf30a97ae.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/4948-1-0x0000000000690000-0x0000000000790000-memory.dmp

memory/4948-2-0x00000000022B0000-0x00000000022EB000-memory.dmp

memory/4948-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4948-8-0x0000000010000000-0x000000001001C000-memory.dmp

memory/4948-13-0x0000000000690000-0x0000000000790000-memory.dmp

memory/4948-15-0x0000000000400000-0x000000000044D000-memory.dmp

memory/4948-16-0x00000000022B0000-0x00000000022EB000-memory.dmp

memory/4948-17-0x0000000000400000-0x000000000043F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V1S8HV7P\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4948-29-0x0000000000400000-0x000000000044D000-memory.dmp

memory/4948-36-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4948-35-0x0000000000400000-0x000000000044D000-memory.dmp