Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    8cef5b547c0f4455cafa70688cb046dd6bb05f0905d184aff15bdc1d7c5059f2

  • Size

    4.2MB

  • Sample

    240423-ssgfeshc81

  • MD5

    c28304e6164dfea9e8d250bf1af83ad5

  • SHA1

    edeb97f2173ab0e8eb3e54cade69ff179927db21

  • SHA256

    8cef5b547c0f4455cafa70688cb046dd6bb05f0905d184aff15bdc1d7c5059f2

  • SHA512

    9b10e2d4c05524a56cb5f0e254abf5aadddb99029c0e8fb11e0a46133f935b7f477ecfa566f7717d81af3a136ea59b4d57017c5990ee169276b21181070724b7

  • SSDEEP

    98304:xYLCMptDmsu+9iprwjFTOTj/zIJhxobwLXF8FmbNEpdL19bK/:FkDFH9njBOTWhxocJmmbsdxhG

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      8cef5b547c0f4455cafa70688cb046dd6bb05f0905d184aff15bdc1d7c5059f2

    • Size

      4.2MB

    • MD5

      c28304e6164dfea9e8d250bf1af83ad5

    • SHA1

      edeb97f2173ab0e8eb3e54cade69ff179927db21

    • SHA256

      8cef5b547c0f4455cafa70688cb046dd6bb05f0905d184aff15bdc1d7c5059f2

    • SHA512

      9b10e2d4c05524a56cb5f0e254abf5aadddb99029c0e8fb11e0a46133f935b7f477ecfa566f7717d81af3a136ea59b4d57017c5990ee169276b21181070724b7

    • SSDEEP

      98304:xYLCMptDmsu+9iprwjFTOTj/zIJhxobwLXF8FmbNEpdL19bK/:FkDFH9njBOTWhxocJmmbsdxhG

    Score
    10/10
    gluptebadropperevasionloaderupxdiscoverypersistencerootkit

    • 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