Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target
    3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
  • Size 4.2MB
  • Sample240419-2v13aahf87
  • SHA256 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target
      3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
    • Size 4.2MB
    • SHA256 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

      loaderdropperglupteba

    • Glupteba payload

    • Blocklisted process makes network request

    • Modifies Windows Firewall

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

      rootkitevasion

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks