Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a889915e0e154129f4a47f05f5c360cb3e107530dfa6f6186166a9e9290eb964

  • Size

    4.1MB

  • Sample

    240427-vxdansdg6y

  • MD5

    d29228bd1581da52054642d2f25e1329

  • SHA1

    dca48f2dd06dc19ab513a773abb17bfcec80416d

  • SHA256

    a889915e0e154129f4a47f05f5c360cb3e107530dfa6f6186166a9e9290eb964

  • SHA512

    f325d2f9bd054f90b626bd5d7b48c9a03a0c1acb619bf61ce5ab0b36ca4a1b483cb6901e49e24b4559cb8b5082c211d1f2987306f8fdccc848b9921ce3f85fd6

  • SSDEEP

    98304:FB+pokA3uLr67t8MVyOHX+J6fh0VTXiCNKfogoP0GUbubAeu:FBc4uLrIK0u8fYNDf0GUb+Aeu

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      a889915e0e154129f4a47f05f5c360cb3e107530dfa6f6186166a9e9290eb964

    • Size

      4.1MB

    • MD5

      d29228bd1581da52054642d2f25e1329

    • SHA1

      dca48f2dd06dc19ab513a773abb17bfcec80416d

    • SHA256

      a889915e0e154129f4a47f05f5c360cb3e107530dfa6f6186166a9e9290eb964

    • SHA512

      f325d2f9bd054f90b626bd5d7b48c9a03a0c1acb619bf61ce5ab0b36ca4a1b483cb6901e49e24b4559cb8b5082c211d1f2987306f8fdccc848b9921ce3f85fd6

    • SSDEEP

      98304:FB+pokA3uLr67t8MVyOHX+J6fh0VTXiCNKfogoP0GUbubAeu:FBc4uLrIK0u8fYNDf0GUb+Aeu

    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