Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    3b2f8f9b26ae8dfed7f3e483d0ababa1a8119f5637c33f05ab338caf5d5eeeec

  • Size

    4.2MB

  • Sample

    240420-zjghdshe55

  • MD5

    8a9808fabdd7b34cb324e0bcf3ffc56e

  • SHA1

    7e8952a24f7a6fe0844a43675f5a14f0f41a8f59

  • SHA256

    3b2f8f9b26ae8dfed7f3e483d0ababa1a8119f5637c33f05ab338caf5d5eeeec

  • SHA512

    48c6c63bd2fb95dc68b0dc91cfe81361c0b8ec56b5710fdf99423630b193269b016b67cbb87f91eb965a95fe95783e81f7cc0f4683d38c754cfe660d85233cfe

  • SSDEEP

    98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzx:ZFYkS+E0uawLNQ+/9Bo7/B

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      3b2f8f9b26ae8dfed7f3e483d0ababa1a8119f5637c33f05ab338caf5d5eeeec

    • Size

      4.2MB

    • MD5

      8a9808fabdd7b34cb324e0bcf3ffc56e

    • SHA1

      7e8952a24f7a6fe0844a43675f5a14f0f41a8f59

    • SHA256

      3b2f8f9b26ae8dfed7f3e483d0ababa1a8119f5637c33f05ab338caf5d5eeeec

    • SHA512

      48c6c63bd2fb95dc68b0dc91cfe81361c0b8ec56b5710fdf99423630b193269b016b67cbb87f91eb965a95fe95783e81f7cc0f4683d38c754cfe660d85233cfe

    • SSDEEP

      98304:jVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lzx:ZFYkS+E0uawLNQ+/9Bo7/B

    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