Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    f4901abbb6c3e73c0c9e4fb7324fb7a342e59b01b13f4e9e81c2f159daf5d177

  • Size

    4.2MB

  • Sample

    240503-xybvcage33

  • MD5

    caee2a0879dfa8711fd38091d942d237

  • SHA1

    50cfd6e34eea45bb5462cc2c50af0defb957bb57

  • SHA256

    f4901abbb6c3e73c0c9e4fb7324fb7a342e59b01b13f4e9e81c2f159daf5d177

  • SHA512

    de394bb7aa439a7d47d1dbbfb3e34d9e870cf2b7ee362e6208b234458a8ed3237cac4493b870272762cec898aa940635049d80cc69125c4c7e68cf35c805ca91

  • SSDEEP

    98304:nIlq3LCjcx6Yp+HV5sXxKb6vMD4YpScf+:oq3LHpK0xKblDWz

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      f4901abbb6c3e73c0c9e4fb7324fb7a342e59b01b13f4e9e81c2f159daf5d177

    • Size

      4.2MB

    • MD5

      caee2a0879dfa8711fd38091d942d237

    • SHA1

      50cfd6e34eea45bb5462cc2c50af0defb957bb57

    • SHA256

      f4901abbb6c3e73c0c9e4fb7324fb7a342e59b01b13f4e9e81c2f159daf5d177

    • SHA512

      de394bb7aa439a7d47d1dbbfb3e34d9e870cf2b7ee362e6208b234458a8ed3237cac4493b870272762cec898aa940635049d80cc69125c4c7e68cf35c805ca91

    • SSDEEP

      98304:nIlq3LCjcx6Yp+HV5sXxKb6vMD4YpScf+:oq3LHpK0xKblDWz

    Score
    10/10
    gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

    • Glupteba

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

      loaderdropperglupteba

    • Glupteba payload

    • 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

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks