Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    a07f8fcb935ff93a13e07c74f2705683d93fa71d7f7e494cb210225ac1eb8dc8

  • Size

    4.2MB

  • Sample

    240419-rebgksfb6w

  • MD5

    8f9e24d6ed40f77f07b4a63ecb0e36ba

  • SHA1

    5d064315446c9e2e805ba0019a1895ab5c17cd83

  • SHA256

    a07f8fcb935ff93a13e07c74f2705683d93fa71d7f7e494cb210225ac1eb8dc8

  • SHA512

    bfb0441f116d71825c91f87120c668306fc321c948d9b817fa65b5339b0339b0eaf01130e3484bd6439a36033bcba53c9fd7693f95a9c8c84916a10948eee536

  • SSDEEP

    98304:Lu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYI:LaARFuKJWhQkavn//blllQdNaFDGXb

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      a07f8fcb935ff93a13e07c74f2705683d93fa71d7f7e494cb210225ac1eb8dc8

    • Size

      4.2MB

    • MD5

      8f9e24d6ed40f77f07b4a63ecb0e36ba

    • SHA1

      5d064315446c9e2e805ba0019a1895ab5c17cd83

    • SHA256

      a07f8fcb935ff93a13e07c74f2705683d93fa71d7f7e494cb210225ac1eb8dc8

    • SHA512

      bfb0441f116d71825c91f87120c668306fc321c948d9b817fa65b5339b0339b0eaf01130e3484bd6439a36033bcba53c9fd7693f95a9c8c84916a10948eee536

    • SSDEEP

      98304:Lu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYI:LaARFuKJWhQkavn//blllQdNaFDGXb

    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