Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec

  • Size

    4.1MB

  • Sample

    240517-3v4c3shf4s

  • MD5

    9d4896bddbae7bc69e3eefbbf2ce1c86

  • SHA1

    67b500f2923c0f4cbb0f8062bffc293a404e51b6

  • SHA256

    b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec

  • SHA512

    da357c7aefb1b46233b9cea7257afd8777ef8e6e05a8d7f1edacbd73ccca37802350561a10038c384715fcce3e63f6b534205f7a25d347257126188686080b5a

  • SSDEEP

    98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUN:BqqJgO7W9SnJ3gf8jHXKu

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec

    • Size

      4.1MB

    • MD5

      9d4896bddbae7bc69e3eefbbf2ce1c86

    • SHA1

      67b500f2923c0f4cbb0f8062bffc293a404e51b6

    • SHA256

      b4139c3a227d8454b613ba81d1febb49e16e3aaf82a6baa7a0f15ed036eb16ec

    • SHA512

      da357c7aefb1b46233b9cea7257afd8777ef8e6e05a8d7f1edacbd73ccca37802350561a10038c384715fcce3e63f6b534205f7a25d347257126188686080b5a

    • SSDEEP

      98304:BqqJgO7W9SnF2QTYg7Hzo9TU2Df9e/pZ+O7BTR2yKUN:BqqJgO7W9SnJ3gf8jHXKu

    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