Malware Analysis Report

2025-01-02 09:41

Sample ID 240902-r5qn7aseqn
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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

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

Deletes itself

Checks computer location settings

Program crash

System Location Discovery: System Language Discovery

Enumerates physical storage devices

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 14:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-02 14:46

Reported

2024-09-02 14:50

Platform

win10-20240404-en

Max time kernel

133s

Max time network

135s

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:\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 3152 wrote to memory of 3272 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3152 wrote to memory of 3272 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3152 wrote to memory of 3272 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3272 wrote to memory of 3896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3272 wrote to memory of 3896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3272 wrote to memory of 3896 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 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/3152-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

memory/3152-2-0x0000000002070000-0x000000000209D000-memory.dmp

memory/3152-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XCFODRP5\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/3152-9-0x00000000005A0000-0x00000000006A0000-memory.dmp

memory/3152-11-0x0000000002070000-0x000000000209D000-memory.dmp

memory/3152-12-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3152-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/3152-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3152-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-02 14:46

Reported

2024-09-02 14:50

Platform

win7-20240704-en

Max time kernel

121s

Max time network

123s

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:\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

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/2876-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

memory/2876-2-0x00000000001C0000-0x00000000001ED000-memory.dmp

memory/2876-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4RXRX1VH\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2876-9-0x00000000002F0000-0x00000000003F0000-memory.dmp

memory/2876-11-0x00000000001C0000-0x00000000001ED000-memory.dmp

memory/2876-12-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2876-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2876-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2876-23-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2876-22-0x00000000002F0000-0x00000000003F0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-02 14:46

Reported

2024-09-02 14:50

Platform

win10v2004-20240802-en

Max time kernel

96s

Max time network

122s

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-1-5-21-523280732-2327480845-3730041215-1000\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:\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 2608 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 2608 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 2608 wrote to memory of 972 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 972 wrote to memory of 4252 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 972 wrote to memory of 4252 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 972 wrote to memory of 4252 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 456 -p 2608 -ip 2608

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "inte.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 1444

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.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 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.238.56.23.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2608-1-0x0000000000560000-0x0000000000660000-memory.dmp

memory/2608-2-0x0000000000530000-0x000000000055D000-memory.dmp

memory/2608-3-0x0000000000400000-0x000000000042F000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3GJVVK7B\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/2608-9-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2608-10-0x0000000000560000-0x0000000000660000-memory.dmp

memory/2608-12-0x0000000000530000-0x000000000055D000-memory.dmp

memory/2608-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2608-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2608-22-0x0000000000400000-0x000000000042F000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-09-02 14:46

Reported

2024-09-02 14:50

Platform

win11-20240802-en

Max time kernel

30s

Max time network

144s

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 892 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 892 wrote to memory of 3732 N/A C:\Users\Admin\AppData\Local\Temp\inte.exe C:\Windows\SysWOW64\cmd.exe
PID 3732 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3732 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\taskkill.exe
PID 3732 wrote to memory of 1520 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 440 -p 892 -ip 892

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 1564

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/892-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/892-2-0x00000000022B0000-0x00000000022DD000-memory.dmp

memory/892-3-0x0000000000400000-0x000000000042F000-memory.dmp

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

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/892-9-0x00000000006D0000-0x00000000007D0000-memory.dmp

memory/892-11-0x0000000000400000-0x000000000044B000-memory.dmp

memory/892-12-0x00000000022B0000-0x00000000022DD000-memory.dmp

memory/892-13-0x0000000000400000-0x000000000042F000-memory.dmp

memory/892-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/892-22-0x0000000000400000-0x000000000042F000-memory.dmp