Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    777709809d03e4ab46558ffd39d77c6910cc8a115dca9f790b0124a1f38c0bb1

  • Size

    4.2MB

  • Sample

    240420-zka21aaa9x

  • MD5

    4e2d1d6f4afc7a48301152797d29dbb6

  • SHA1

    ad2eb528e6baa41de264e22abc4540929ba36c55

  • SHA256

    777709809d03e4ab46558ffd39d77c6910cc8a115dca9f790b0124a1f38c0bb1

  • SHA512

    26647314ddec0f36aa1e306032c458032eb25f74d29b189dcd67682b41d9c499ff17fa0359c572721a2c520ca876a4c59c9a7293ff99acb0afd397a6b0389282

  • SSDEEP

    98304:bVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3LzHj:hFYkS+E0uawLNQ+/9Bo7/z

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      777709809d03e4ab46558ffd39d77c6910cc8a115dca9f790b0124a1f38c0bb1

    • Size

      4.2MB

    • MD5

      4e2d1d6f4afc7a48301152797d29dbb6

    • SHA1

      ad2eb528e6baa41de264e22abc4540929ba36c55

    • SHA256

      777709809d03e4ab46558ffd39d77c6910cc8a115dca9f790b0124a1f38c0bb1

    • SHA512

      26647314ddec0f36aa1e306032c458032eb25f74d29b189dcd67682b41d9c499ff17fa0359c572721a2c520ca876a4c59c9a7293ff99acb0afd397a6b0389282

    • SSDEEP

      98304:bVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3LzHj:hFYkS+E0uawLNQ+/9Bo7/z

    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