gcleaner | cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0 | Triage

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Overview

overview

Static

static

3

cab38f64fa...e0.exe

windows7-x64

cab38f64fa...e0.exe

windows10-2004-x64

Sharing

General

Target

cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0
Size

1.8MB
Sample

241227-r51jdswmfy
MD5

39b4bfac2225acfcabf886c76787aa14
SHA1

83cb4621c3252db9b02e90f044d74664311dabe6
SHA256

cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0
SHA512

8dfa00bb971cc1ac9b145e71844abf3fc30e2c5e22c917a0c09a0d58de0e1a720e475527a20208c917cddecd48a0a6e280fb2e79e790ffbfa65058f9667cddf7
SSDEEP

49152:9Xxpc66AsS1oloJCfpGES2mjz2i5igrpjG76k/xhnXufcgmJ7T0Uz:Nx66Lb1oloJkK/2MVeTnXImJ7T0y

Score

10^/10

gcleaner discovery evasion loader

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0.exe

Resource

win7-20241010-en

gcleaner discovery evasion loader

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0.exe

Resource

win10v2004-20241007-en

gcleaner discovery evasion loader

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0
- Size
  
  1.8MB
- MD5
  
  39b4bfac2225acfcabf886c76787aa14
- SHA1
  
  83cb4621c3252db9b02e90f044d74664311dabe6
- SHA256
  
  cab38f64fa01076981475f26a8da419c4fbe9f6ef830e953af42efd349d1eae0
- SHA512
  
  8dfa00bb971cc1ac9b145e71844abf3fc30e2c5e22c917a0c09a0d58de0e1a720e475527a20208c917cddecd48a0a6e280fb2e79e790ffbfa65058f9667cddf7
- SSDEEP
  
  49152:9Xxpc66AsS1oloJCfpGES2mjz2i5igrpjG76k/xhnXufcgmJ7T0Uz:Nx66Lb1oloJkK/2MVeTnXImJ7T0y
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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