Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

  • Size

    4.2MB

  • Sample

    240420-svthrscb31

  • MD5

    2b596a8638205ca939c5a25260b86acc

  • SHA1

    418a5b80b82440d26e5e8f0955bbf02f739decac

  • SHA256

    5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

  • SHA512

    7a417ba0a3e3ef70d8466bea1e7d1a031b426d76fc0ef80cdcc28dc96988c364992446dd0c878caa0cfef79fdfd12cd4ace152cbf896a43e58b355d90cd32737

  • SSDEEP

    49152:JKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2Sb:AOLEfT6eYBhfhWV+b2vbWNq2SbuhRi

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

    • Size

      4.2MB

    • MD5

      2b596a8638205ca939c5a25260b86acc

    • SHA1

      418a5b80b82440d26e5e8f0955bbf02f739decac

    • SHA256

      5adcf97178cde6104de0bff9b725af1e1445ccc843257400dcca2fff5e454c9b

    • SHA512

      7a417ba0a3e3ef70d8466bea1e7d1a031b426d76fc0ef80cdcc28dc96988c364992446dd0c878caa0cfef79fdfd12cd4ace152cbf896a43e58b355d90cd32737

    • SSDEEP

      49152:JKOdvREmi8iTwPpeYBnAu4QJI7RESGN2UNQnUyHdr+bW0USBgrsqhT/DWSjgq2Sb:AOLEfT6eYBhfhWV+b2vbWNq2SbuhRi

    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