Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    9c51bd337c9bfe8c711d52608a4588756fdf0765887e84c68532eb70b466b923

  • Size

    4.2MB

  • Sample

    240420-gajx2sae4y

  • MD5

    49cddfa0864198b8c9a424d713c441a9

  • SHA1

    0e2b1519a10724126bef9e861e31d754abca2a0f

  • SHA256

    9c51bd337c9bfe8c711d52608a4588756fdf0765887e84c68532eb70b466b923

  • SHA512

    7fc5e4b1707794058cf430b1d22eb5d66b945dd0131f2452777170650dcc7f2dc0befee43c3d9726d2b6ec81666026bac94c136f0179bd251bc7afe5f3fe064c

  • SSDEEP

    98304:tLQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGr:tf8gKxTxapLMoPnzgk

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      9c51bd337c9bfe8c711d52608a4588756fdf0765887e84c68532eb70b466b923

    • Size

      4.2MB

    • MD5

      49cddfa0864198b8c9a424d713c441a9

    • SHA1

      0e2b1519a10724126bef9e861e31d754abca2a0f

    • SHA256

      9c51bd337c9bfe8c711d52608a4588756fdf0765887e84c68532eb70b466b923

    • SHA512

      7fc5e4b1707794058cf430b1d22eb5d66b945dd0131f2452777170650dcc7f2dc0befee43c3d9726d2b6ec81666026bac94c136f0179bd251bc7afe5f3fe064c

    • SSDEEP

      98304:tLQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGr:tf8gKxTxapLMoPnzgk

    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