Malware Analysis Report

2025-01-02 09:44

Sample ID 240904-m8dftaydnq
Target 2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954
SHA256 2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954
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

2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954

Threat Level: Known bad

The file 2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Unsigned PE

Program crash

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-04 11:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-04 11:07

Reported

2024-09-04 11:10

Platform

win10v2004-20240802-en

Max time kernel

93s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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:\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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe

"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3216 -ip 3216

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 1432

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp

Files

memory/3216-1-0x0000000000690000-0x0000000000790000-memory.dmp

memory/3216-2-0x00000000005F0000-0x000000000061D000-memory.dmp

memory/3216-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\B9AWTLKS\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3216-9-0x0000000000690000-0x0000000000790000-memory.dmp

memory/3216-10-0x0000000000400000-0x0000000000445000-memory.dmp

memory/3216-12-0x00000000005F0000-0x000000000061D000-memory.dmp

memory/3216-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3216-21-0x0000000000400000-0x0000000000445000-memory.dmp

memory/3216-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-04 11:07

Reported

2024-09-04 11:10

Platform

win11-20240802-en

Max time kernel

30s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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:\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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.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\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe

"C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 912 -ip 912

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "2ffc2ee25338b8be01f8761ad701687dc7341b24cfbb8ac632d977d57aee2954.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 912 -s 1528

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/912-1-0x0000000000760000-0x0000000000860000-memory.dmp

memory/912-2-0x0000000002290000-0x00000000022BD000-memory.dmp

memory/912-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FYUCG7L6\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/912-9-0x0000000000760000-0x0000000000860000-memory.dmp

memory/912-11-0x0000000000400000-0x0000000000445000-memory.dmp

memory/912-12-0x0000000002290000-0x00000000022BD000-memory.dmp

memory/912-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/912-21-0x0000000000400000-0x0000000000445000-memory.dmp

memory/912-22-0x0000000000400000-0x000000000042F000-memory.dmp