Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    4e8b88c1414920433cf81de2a598902f34d065f29c0d3d277311526275d2e716

  • Size

    4.1MB

  • Sample

    240511-k1nkpsdb83

  • MD5

    3ff0d2449e440aab212ddc43df353434

  • SHA1

    6f933b7f7853168ecb70786842772aa6c33c0fc7

  • SHA256

    4e8b88c1414920433cf81de2a598902f34d065f29c0d3d277311526275d2e716

  • SHA512

    b5694f4a4376f00eb5ba6183af7f25c20006dd9f4bc9611628489c6653a77e74e1980741c1fe54140897ae918bc46cc20c5c538785b04363794a19368197e5d2

  • SSDEEP

    98304:gErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIC:TD1Z1UwAUfrk2xOxPr4PpsvyaCIC

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      4e8b88c1414920433cf81de2a598902f34d065f29c0d3d277311526275d2e716

    • Size

      4.1MB

    • MD5

      3ff0d2449e440aab212ddc43df353434

    • SHA1

      6f933b7f7853168ecb70786842772aa6c33c0fc7

    • SHA256

      4e8b88c1414920433cf81de2a598902f34d065f29c0d3d277311526275d2e716

    • SHA512

      b5694f4a4376f00eb5ba6183af7f25c20006dd9f4bc9611628489c6653a77e74e1980741c1fe54140897ae918bc46cc20c5c538785b04363794a19368197e5d2

    • SSDEEP

      98304:gErTbmYqgZ1XudKeC70JrifsEkbyxLCxltfr4Ppsv6xaCIC:TD1Z1UwAUfrk2xOxPr4PpsvyaCIC

    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 Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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