Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    6b1ddde5905e8ede18fa73f058e2d3e593d8f700cf7d2832cc2c7e40391c755c

  • Size

    4.2MB

  • Sample

    240419-q6d64sea43

  • MD5

    f41bc42d4da291e7aef7f34e65bb5041

  • SHA1

    2a3141f3fa70dc38b850211ac0775d564d5cbca0

  • SHA256

    6b1ddde5905e8ede18fa73f058e2d3e593d8f700cf7d2832cc2c7e40391c755c

  • SHA512

    30bdaac124b4490d767625af90dd07d50a7b0472bbf42403b15f8e3c3be361a3fc5fa8120ffb8d688ebfe7cb1f04b31e3f63b80a4ccad3db61d83c2f4b2224f1

  • SSDEEP

    98304:Du15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYf:DaARFuKJWhQkavn//blllQdNaFDGXU

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      6b1ddde5905e8ede18fa73f058e2d3e593d8f700cf7d2832cc2c7e40391c755c

    • Size

      4.2MB

    • MD5

      f41bc42d4da291e7aef7f34e65bb5041

    • SHA1

      2a3141f3fa70dc38b850211ac0775d564d5cbca0

    • SHA256

      6b1ddde5905e8ede18fa73f058e2d3e593d8f700cf7d2832cc2c7e40391c755c

    • SHA512

      30bdaac124b4490d767625af90dd07d50a7b0472bbf42403b15f8e3c3be361a3fc5fa8120ffb8d688ebfe7cb1f04b31e3f63b80a4ccad3db61d83c2f4b2224f1

    • SSDEEP

      98304:Du15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYf:DaARFuKJWhQkavn//blllQdNaFDGXU

    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