Malware Analysis Report

2025-01-02 09:45

Sample ID 240902-q3zcwasdre
Target 17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739
SHA256 17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739
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

17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739

Threat Level: Known bad

The file 17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

System Location Discovery: System Language Discovery

Unsigned PE

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

2024-09-02 13:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 13:47

Reported

2024-09-02 13:50

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.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\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.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\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe

"C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4416 -ip 4416

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1464

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp

Files

memory/4416-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/4416-2-0x00000000005C0000-0x00000000005ED000-memory.dmp

memory/4416-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NMN7D09E\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4416-9-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/4416-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4416-12-0x00000000005C0000-0x00000000005ED000-memory.dmp

memory/4416-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4416-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/4416-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 13:47

Reported

2024-09-02 13:50

Platform

win11-20240802-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.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\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.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\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe

"C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3424 -ip 3424

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "17755d80106436dddce6838115080879d71e018056ed2f72470ff8ddb7a48739.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 1516

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/3424-1-0x0000000000790000-0x0000000000890000-memory.dmp

memory/3424-2-0x0000000002170000-0x000000000219D000-memory.dmp

memory/3424-3-0x0000000000400000-0x000000000042F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3424-9-0x0000000000790000-0x0000000000890000-memory.dmp

memory/3424-11-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3424-12-0x0000000002170000-0x000000000219D000-memory.dmp

memory/3424-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3424-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3424-22-0x0000000000400000-0x000000000042F000-memory.dmp