Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    43e56ca0adfea156379caf8cdada84702e83fbe0dae9fa5f8cb59f5c40ff46bc

  • Size

    4.1MB

  • Sample

    240421-y8xegabc9y

  • MD5

    e11f70bb60864fb3cc34723245ade4ac

  • SHA1

    f36b665135481a1be844d7addb89fc2112ec9261

  • SHA256

    43e56ca0adfea156379caf8cdada84702e83fbe0dae9fa5f8cb59f5c40ff46bc

  • SHA512

    e07268977f445c5260443dde524d485580eb2cb8355958b52122d839e0999bd587a9532f4a28ea7eb318bcf6f08c78ce5a9b7632e4930e7b45c820cd64eb0bbe

  • SSDEEP

    98304:46+NbupGYWkWUKqb2mQEf1KRMJYjr3YWC6hMfGb3gpntSZ:5+NqpqkWfc2mFNDYjrxhMfGQpntq

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      43e56ca0adfea156379caf8cdada84702e83fbe0dae9fa5f8cb59f5c40ff46bc

    • Size

      4.1MB

    • MD5

      e11f70bb60864fb3cc34723245ade4ac

    • SHA1

      f36b665135481a1be844d7addb89fc2112ec9261

    • SHA256

      43e56ca0adfea156379caf8cdada84702e83fbe0dae9fa5f8cb59f5c40ff46bc

    • SHA512

      e07268977f445c5260443dde524d485580eb2cb8355958b52122d839e0999bd587a9532f4a28ea7eb318bcf6f08c78ce5a9b7632e4930e7b45c820cd64eb0bbe

    • SSDEEP

      98304:46+NbupGYWkWUKqb2mQEf1KRMJYjr3YWC6hMfGb3gpntSZ:5+NqpqkWfc2mFNDYjrxhMfGQpntq

    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