gcleaner | 417e7e396fbadbf07bf6952dbd3c0b6b496bc18871047645879db777552552b1

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 00:08

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General

Target

file.exe
Size

1.9MB
MD5

0a2e0cf36cb5586fb3ecff4872b27b9d
SHA1

b8ab43272fbbad21c1985ee536ecd5ccbdc0a761
SHA256

417e7e396fbadbf07bf6952dbd3c0b6b496bc18871047645879db777552552b1
SHA512

54f788a088be98537649567c9c9c1c13fb148502900862832b91438a4e0ea1cfab5d8c465834059556f2799d83390ef2bc07efa6c3a63b225484528c2e85eedf
SSDEEP

49152:KCQD+j4yNBpD4yejjTxNgNYtBdt8Z3ry8JE2Kt7VHNDc:9iC1UjjTxSNYXEZbzE2KXHd

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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
736	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
2184	736	WerFault.exe	81

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
736	file.exe
736	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:736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 1452
  2⤵
  - Program crash
  PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 736 -ip 736
1⤵
PID:2488

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\P2UT3MS5\download[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/736-4-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-11-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/736-3-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-0-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-18-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/736-7-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-2-0x0000000000401000-0x0000000000427000-memory.dmp

Filesize
152KB

Download
memory/736-15-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-6-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-19-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-20-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-1-0x0000000077E54000-0x0000000077E56000-memory.dmp

Filesize
8KB

Download
memory/736-23-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-26-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-33-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download
memory/736-40-0x0000000000400000-0x0000000000C7D000-memory.dmp

Filesize
8.5MB

Download