gcleaner | 12e5a10025f316a2ce8b05a5e4170d3a5f6578ab97088c77ff9a552afaf592f6

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 19:35

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General

Target

file.exe
Size

1.9MB
MD5

b8501b9ad61e6247049c8c36bf6eaf57
SHA1

dae7d1e7561fafa903152a139af6f406ce1a2d85
SHA256

12e5a10025f316a2ce8b05a5e4170d3a5f6578ab97088c77ff9a552afaf592f6
SHA512

0a622fef06dc61e4572f6059619bfdfc095e7463d1e9f0ad3e2bb37916554655e36086d492a3f7b59a42567c546b2ead2fdd90f432d7258e216331ca98fac6a8
SSDEEP

49152:DHyu5WDlc89w6CltNX9O0RPVo6uTdXbGEBA:ZqL9Hus0Ho3Xid

Score

10^/10

gcleaner discovery evasion loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Gcleaner family
gcleaner

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	file.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
628	file.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1928	628	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
628	file.exe
628	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 1784
  2⤵
  - Program crash
  PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 628 -ip 628
1⤵
PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/628-15-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-6-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-18-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/628-4-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-19-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-7-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-11-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/628-20-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-3-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/628-0-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-21-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-1-0x0000000077134000-0x0000000077136000-memory.dmp

Filesize
8KB

Download
memory/628-23-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-28-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-34-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/628-40-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download