Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    04139bf08e27d38c87f44ea88bd882fccfb02dfaa28f63c2073ba1bb90214dad

  • Size

    4.2MB

  • Sample

    240420-tvz6zsda2t

  • MD5

    cd7abb7f72c10bc806045edc520dabd1

  • SHA1

    4e572840035be07195385adf80d1ae4206a80f6c

  • SHA256

    04139bf08e27d38c87f44ea88bd882fccfb02dfaa28f63c2073ba1bb90214dad

  • SHA512

    3ecfad6dae02a01b26225dbb7b58964a6d8d6076e0f478a4deaa84ff2064bdd89b6eabee2ef5b1b459d1f3bb63923ab1ddde71fd6c7347507760743cfe61f5de

  • SSDEEP

    49152:Ar1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8S:ABcwtA9b44emOBqNRUORBLE4AjzN

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      04139bf08e27d38c87f44ea88bd882fccfb02dfaa28f63c2073ba1bb90214dad

    • Size

      4.2MB

    • MD5

      cd7abb7f72c10bc806045edc520dabd1

    • SHA1

      4e572840035be07195385adf80d1ae4206a80f6c

    • SHA256

      04139bf08e27d38c87f44ea88bd882fccfb02dfaa28f63c2073ba1bb90214dad

    • SHA512

      3ecfad6dae02a01b26225dbb7b58964a6d8d6076e0f478a4deaa84ff2064bdd89b6eabee2ef5b1b459d1f3bb63923ab1ddde71fd6c7347507760743cfe61f5de

    • SSDEEP

      49152:Ar1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8S:ABcwtA9b44emOBqNRUORBLE4AjzN

    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