Malware Analysis Report

2025-01-02 09:39

Sample ID 240830-j9danawblq
Target 11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57
SHA256 11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57
Tags
gcleaner discovery loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57

Threat Level: Known bad

The file 11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57 was found to be: Known bad.

Malicious Activity Summary

gcleaner discovery loader

GCleaner

Checks computer location settings

Program crash

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Kills process with taskkill

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 08:21

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 08:21

Reported

2024-08-30 08:24

Platform

win11-20240802-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.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\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.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\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe

"C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 780

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 772

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 844

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 1060

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 1488

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4124 -ip 4124

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 1448

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/4124-1-0x0000000000890000-0x0000000000990000-memory.dmp

memory/4124-2-0x0000000002440000-0x000000000246D000-memory.dmp

memory/4124-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4124-8-0x0000000000890000-0x0000000000990000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\X95BI9RO\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/4124-10-0x0000000002440000-0x000000000246D000-memory.dmp

memory/4124-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4124-11-0x0000000000400000-0x00000000005F6000-memory.dmp

memory/4124-22-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4124-21-0x0000000000400000-0x00000000005F6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 08:21

Reported

2024-08-30 08:24

Platform

win10v2004-20240802-en

Max time kernel

137s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe"

Signatures

GCleaner

loader gcleaner

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.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\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.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\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe

"C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 748

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 800

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1436 -ip 1436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1344

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c taskkill /im "11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" & exit

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1436 -ip 1436

C:\Windows\SysWOW64\taskkill.exe

taskkill /im "11fab15d61c9c949956a7da4e1aebfd8258cf5454f42b289dcf009527ba35e57.exe" /f

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1308

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.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 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 114.75.66.80.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/1436-1-0x0000000000780000-0x0000000000880000-memory.dmp

memory/1436-2-0x0000000002340000-0x000000000236D000-memory.dmp

memory/1436-3-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1436-7-0x0000000000780000-0x0000000000880000-memory.dmp

memory/1436-10-0x0000000002340000-0x000000000236D000-memory.dmp

memory/1436-9-0x0000000000400000-0x00000000005F6000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\951G8FD5\download[1].htm

MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

memory/1436-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1436-21-0x0000000000400000-0x00000000005F6000-memory.dmp

memory/1436-22-0x0000000000400000-0x000000000042F000-memory.dmp