Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    b88bcd7305546699509a6e0e2c2e522c73941d2e3d489b8dbd1c621e03a09b97

  • Size

    4.2MB

  • Sample

    240420-tl44ksch2s

  • MD5

    e9ae570c5cc42d6394592ff8a0b97b82

  • SHA1

    e6298d1c724eb1acd8d3fbfe0bba4a85dc9fc71a

  • SHA256

    b88bcd7305546699509a6e0e2c2e522c73941d2e3d489b8dbd1c621e03a09b97

  • SHA512

    501c5af7258779b4e05bccce2a123c137b36a97e771a938429506b95829c46f9bde09b68f9440a2f00a3e789e02a1115c7a37a91e42e5f0eff6868acb29f5949

  • SSDEEP

    49152:Ar1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8o:ABcwtA9b44emOBqNRUORBLE4Ajz7

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      b88bcd7305546699509a6e0e2c2e522c73941d2e3d489b8dbd1c621e03a09b97

    • Size

      4.2MB

    • MD5

      e9ae570c5cc42d6394592ff8a0b97b82

    • SHA1

      e6298d1c724eb1acd8d3fbfe0bba4a85dc9fc71a

    • SHA256

      b88bcd7305546699509a6e0e2c2e522c73941d2e3d489b8dbd1c621e03a09b97

    • SHA512

      501c5af7258779b4e05bccce2a123c137b36a97e771a938429506b95829c46f9bde09b68f9440a2f00a3e789e02a1115c7a37a91e42e5f0eff6868acb29f5949

    • SSDEEP

      49152:Ar1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8o:ABcwtA9b44emOBqNRUORBLE4Ajz7

    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