gcleaner | 736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751 | Triage

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Reports

Overview

overview

Static

static

3

736b480255...51.exe

windows7-x64

736b480255...51.exe

windows10-2004-x64

Sharing

General

Target

736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751
Size

1.8MB
Sample

241227-dzp9ks1man
MD5

803be8e933b48a797e7246a1cc221693
SHA1

e829e24b480975faa6a65757f90e0f198f499d57
SHA256

736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751
SHA512

82ab56217b90f53270e8fcd2e2b3b76cab60ca669c926e993338e62ec78596d4daa68227560c3df28eabf8dc62b2296c9d3d2da0c36f23fef1b337610dd047ad
SSDEEP

49152:zXtK7EbxJDZotbrMFB19N50lKc9dOMOua7:zXtHbfdmorN50lopua

Score

10^/10

gcleaner discovery evasion loader

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751.exe

Resource

win7-20240903-en

gcleaner discovery evasion loader

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751.exe

Resource

win10v2004-20241007-en

gcleaner discovery evasion loader

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751
- Size
  
  1.8MB
- MD5
  
  803be8e933b48a797e7246a1cc221693
- SHA1
  
  e829e24b480975faa6a65757f90e0f198f499d57
- SHA256
  
  736b4802550f16ec8b0fe9d4cf9510d06f4fd49f0b604184d509fca91b77d751
- SHA512
  
  82ab56217b90f53270e8fcd2e2b3b76cab60ca669c926e993338e62ec78596d4daa68227560c3df28eabf8dc62b2296c9d3d2da0c36f23fef1b337610dd047ad
- SSDEEP
  
  49152:zXtK7EbxJDZotbrMFB19N50lKc9dOMOua7:zXtHbfdmorN50lopua
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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