Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0

  • Size

    4.1MB

  • Sample

    240520-fefkracc69

  • MD5

    5f5b5d97c75c9227b38abb7ba0fde19c

  • SHA1

    3e7e4e64cc1a3b11e155fb64c09917b255d23ba3

  • SHA256

    49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0

  • SHA512

    686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30

  • SSDEEP

    98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0H:ALmIkbquibpii2yAk4+2fEKmbY

Score
10/10
gluptebadiscoverydropperevasionexecutionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0

    • Size

      4.1MB

    • MD5

      5f5b5d97c75c9227b38abb7ba0fde19c

    • SHA1

      3e7e4e64cc1a3b11e155fb64c09917b255d23ba3

    • SHA256

      49af4ac2970c2e3d097ae40420a84b9df9f35a2a233e609377353ad700dd18e0

    • SHA512

      686a74902509f0721831f3c301c8754a2d65e8cebb9410b624ef0fac8d543520b3b895ee95d3c63b534d02db2a41094c57bf11d2d7181ff28bdb6cf6d469fd30

    • SSDEEP

      98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0H:ALmIkbquibpii2yAk4+2fEKmbY

    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