Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a94af1f5ab6e456a4dce832b695490db119978739366ab74a3ce96e96cf29044

  • Size

    4.2MB

  • Sample

    240419-q5z27aea28

  • MD5

    3e09d529565fa5ad21daeb6e35c44d42

  • SHA1

    8e52d381759d64727723d6d4339051fc3e7e89a1

  • SHA256

    a94af1f5ab6e456a4dce832b695490db119978739366ab74a3ce96e96cf29044

  • SHA512

    394ad3b4566b74bbfa3d89c86de0ea7e02df98551fcb2568b9ee43a2a45c9e94109fcf48098c0bcdd0e2b25cd0cafc1c3bd26833452927e3a1c3cf26646935ca

  • SSDEEP

    98304:Lu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYP:LaARFuKJWhQkavn//blllQdNaFDGX4

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      a94af1f5ab6e456a4dce832b695490db119978739366ab74a3ce96e96cf29044

    • Size

      4.2MB

    • MD5

      3e09d529565fa5ad21daeb6e35c44d42

    • SHA1

      8e52d381759d64727723d6d4339051fc3e7e89a1

    • SHA256

      a94af1f5ab6e456a4dce832b695490db119978739366ab74a3ce96e96cf29044

    • SHA512

      394ad3b4566b74bbfa3d89c86de0ea7e02df98551fcb2568b9ee43a2a45c9e94109fcf48098c0bcdd0e2b25cd0cafc1c3bd26833452927e3a1c3cf26646935ca

    • SSDEEP

      98304:Lu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYP:LaARFuKJWhQkavn//blllQdNaFDGX4

    Score
    10/10
    gluptebadiscoverydropperevasionloaderpersistencerootkitupx

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks