gcleaner | 38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b | Triage

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Overview

overview

Static

static

3

38f18eed0f...4b.exe

windows7-x64

38f18eed0f...4b.exe

windows10-2004-x64

Sharing

General

Target

38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b
Size

1.8MB
Sample

241227-j3b41stldm
MD5

6d228c9d7686fa90da21fc60e65b3070
SHA1

325fb85ccd0593cbe0d70e67b439a168a54df0bc
SHA256

38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b
SHA512

86f714c71d4c0446189a030001b5c93bf77dbc2ed54839a700e6f8db7b5289dcda3bda88e5eb9b91002a9b584a71126a20145687a79cd01904348a29b5adab9e
SSDEEP

24576:8ujgtqZKpfvejnSJLa14T+2bxqo89cRDcnY3yR3se1Xcj/i4bYPLG5UpBBl8qL:8uiF9vSn2l/bxqo7RQkyR3fK/i4dUxa

Score

10^/10

gcleaner discovery evasion loader

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b.exe

Resource

win7-20240903-en

gcleaner discovery evasion loader

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b.exe

Resource

win10v2004-20241007-en

gcleaner discovery evasion loader

windows10-2004-x64

11 signatures

150 seconds

Malware Config

Targets

- Target
  
  38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b
- Size
  
  1.8MB
- MD5
  
  6d228c9d7686fa90da21fc60e65b3070
- SHA1
  
  325fb85ccd0593cbe0d70e67b439a168a54df0bc
- SHA256
  
  38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b
- SHA512
  
  86f714c71d4c0446189a030001b5c93bf77dbc2ed54839a700e6f8db7b5289dcda3bda88e5eb9b91002a9b584a71126a20145687a79cd01904348a29b5adab9e
- SSDEEP
  
  24576:8ujgtqZKpfvejnSJLa14T+2bxqo89cRDcnY3yR3se1Xcj/i4bYPLG5UpBBl8qL:8uiF9vSn2l/bxqo7RQkyR3fK/i4dUxa
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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