gcleaner | a02496bfd7675a37043304198ee5b9efb075376e4ef1509fbbd5e83e190211f6

Analysis

max time kernel
92s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2025, 15:47

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General

Target
84ada09d9801547265d6589b50051295.exe
Size 4.5MB
Sample250307-s792aasrx5
SHA256 a02496bfd7675a37043304198ee5b9efb075376e4ef1509fbbd5e83e190211f6
MD5 84ada09d9801547265d6589b50051295
SHA1 fa842424381715851e8d8d716afb27da31edd8c1
SHA512 4158f0c6409b7b11ee6023b5d295bc77ba3b82de54dd72de08c58bf2521f76ed52167b54395e35929dbb67f857205401eb262cf71c982d7e03823894f1f8037f
SSDEEP 98304:bGAJQ2i2ZJDQWtDUQp/H0aUXGoqKluGap1rIZRmMZOb:9C29VQQ6aUXJqKluGa2K
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner defense_evasion discovery loader

Malware Config

Extracted

Family

gcleaner

185.156.73.73

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	84ada09d9801547265d6589b50051295.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
33	452	BitLockerToGo.exe

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	84ada09d9801547265d6589b50051295.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	84ada09d9801547265d6589b50051295.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Software\Wine	84ada09d9801547265d6589b50051295.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
868	84ada09d9801547265d6589b50051295.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 868 set thread context of 452	868	84ada09d9801547265d6589b50051295.exe	100

System Location Discovery: System Language Discovery 1 TTPs 2 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	84ada09d9801547265d6589b50051295.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BitLockerToGo.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
868	84ada09d9801547265d6589b50051295.exe
868	84ada09d9801547265d6589b50051295.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100
PID 868 wrote to memory of 452	868	84ada09d9801547265d6589b50051295.exe	100

C:\Users\Admin\AppData\Local\Temp\84ada09d9801547265d6589b50051295.exe
"C:\Users\Admin\AppData\Local\Temp\84ada09d9801547265d6589b50051295.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
  "C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"
  2⤵
  - Downloads MZ/PE file
  - System Location Discovery: System Language Discovery
  PID:452

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

Replay Monitor

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Downloads

service[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3UCXAPQR\service[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/452-12-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/452-10-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/452-38-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/452-20-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/452-16-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/452-11-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/452-8-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/868-5-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-9-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-2-0x0000000000351000-0x0000000000607000-memory.dmp

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memory/868-6-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-0-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-7-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-4-0x0000000000350000-0x0000000000F83000-memory.dmp

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memory/868-1-0x0000000076FB4000-0x0000000076FB6000-memory.dmp

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memory/868-3-0x0000000000350000-0x0000000000F83000-memory.dmp

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