Malware Analysis Report

2025-01-02 09:41

Sample ID 240902-sczbassglp
Target inte.exe
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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 inte.exe was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Deletes itself

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Program crash

Unsigned PE

Kills process with taskkill

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-02 14:59

Signatures

Unsigned PE

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

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-02 14:59

Reported

2024-09-02 15:33

Platform

win10v2004-20240802-en

Max time kernel

435s

Max time network

437s

Command Line

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

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\inte.exe N/A

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\inte.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\inte.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 924 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 924 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 924 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 2432 wrote to memory of 3728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2432 wrote to memory of 3728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 2432 wrote to memory of 3728 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\inte.exe

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 924 -ip 924

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "inte.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 1460

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
RU 80.66.75.114:80 80.66.75.114 tcp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 59.238.56.23.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 153.141.79.40.in-addr.arpa udp

Files

memory/924-1-0x0000000000480000-0x0000000000580000-memory.dmp

memory/924-2-0x0000000000450000-0x000000000047D000-memory.dmp

memory/924-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3HDB1LPD\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/924-9-0x0000000000480000-0x0000000000580000-memory.dmp

memory/924-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/924-12-0x0000000000450000-0x000000000047D000-memory.dmp

memory/924-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/924-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/924-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-09-02 14:59

Reported

2024-09-02 15:34

Platform

win11-20240802-en

Max time kernel

439s

Max time network

443s

Command Line

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

Signatures

GCleaner

loader gcleaner

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\inte.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\inte.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3472 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3472 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3472 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 572 wrote to memory of 1640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 572 wrote to memory of 1640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 572 wrote to memory of 1640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\inte.exe

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "inte.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3472 -ip 3472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 1452

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
US 8.8.8.8:53 201.64.52.20.in-addr.arpa udp

Files

memory/3472-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3472-2-0x00000000022C0000-0x00000000022ED000-memory.dmp

memory/3472-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YEP4MMSB\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3472-9-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/3472-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3472-12-0x00000000022C0000-0x00000000022ED000-memory.dmp

memory/3472-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3472-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3472-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 14:59

Reported

2024-09-02 15:33

Platform

win7-20240708-en

Max time kernel

361s

Max time network

362s

Command Line

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

Signatures

GCleaner

loader gcleaner

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\inte.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\inte.exe

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "inte.exe" /f

Network

Country Destination Domain Proto
RU 80.66.75.114:80 80.66.75.114 tcp

Files

memory/2088-1-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2088-2-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2088-3-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2088-8-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2088-9-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\YW15VCHK\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2088-11-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2088-20-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2088-22-0x0000000000290000-0x0000000000390000-memory.dmp

memory/2088-21-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 14:59

Reported

2024-09-02 15:33

Platform

win10-20240404-en

Max time kernel

316s

Max time network

386s

Command Line

"C:\Users\Admin\AppData\Local\Temp\inte.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\taskkill.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\inte.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1452 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 1452 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 1452 wrote to memory of 316 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 316 wrote to memory of 200 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 316 wrote to memory of 200 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 316 wrote to memory of 200 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe

Processes

C:\Users\Admin\AppData\Local\Temp\inte.exe

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

C:\Windows\SysWOW64\cmd.exe

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

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "inte.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
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1452-1-0x0000000000630000-0x0000000000730000-memory.dmp

memory/1452-2-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/1452-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1452-7-0x0000000000630000-0x0000000000730000-memory.dmp

memory/1452-9-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1452-10-0x0000000000590000-0x00000000005BD000-memory.dmp

memory/1452-11-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VSH5XF98\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/1452-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1452-22-0x0000000000400000-0x000000000042F000-memory.dmp