gcleaner | 6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1 | Triage

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Overview

overview

Static

static

3

6b2391a784...e1.exe

windows7-x64

6b2391a784...e1.exe

windows10-2004-x64

Sharing

General

Target

6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1
Size

1.9MB
Sample

241212-qe876sxlam
MD5

054b1e771a301c1e792397a683ed0a90
SHA1

eb209469e0b66a485b135012cf43538ceb9dc96c
SHA256

6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1
SHA512

23317dcaf76cc1a9dc6c3dc5e551c88905163625617abc7aa389255dd17ee9ca330303521fabfb91c3a33bf1c2a650f2935a7a047eadf1814ea60e2ec387275e
SSDEEP

24576:is1z360xvZO1tdPFRKAykTASgVtAXOw7W90BiIcYXOovl+ydbiIFRP0KjaJb4iJO:nLw7dr7ItuZWobc61tbHFRFG4Sy6U

Score

10^/10

gcleaner discovery evasion loader

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1.exe

Resource

win7-20240903-en

gcleaner discovery evasion loader

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1.exe

Resource

win10v2004-20241007-en

gcleaner discovery evasion loader

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1
- Size
  
  1.9MB
- MD5
  
  054b1e771a301c1e792397a683ed0a90
- SHA1
  
  eb209469e0b66a485b135012cf43538ceb9dc96c
- SHA256
  
  6b2391a7841833a3524f5034b7287e55f4c8fbec8678ecf7a6040ada9c07fde1
- SHA512
  
  23317dcaf76cc1a9dc6c3dc5e551c88905163625617abc7aa389255dd17ee9ca330303521fabfb91c3a33bf1c2a650f2935a7a047eadf1814ea60e2ec387275e
- SSDEEP
  
  24576:is1z360xvZO1tdPFRKAykTASgVtAXOw7W90BiIcYXOovl+ydbiIFRP0KjaJb4iJO:nLw7dr7ItuZWobc61tbHFRFG4Sy6U
Score

10^/10

gcleaner discovery evasion loader
- 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)
  evasion
- Downloads MZ/PE file
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

gcleanerdiscoveryevasionloader

behavioral2

gcleanerdiscoveryevasionloader

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