Overview

overview

10

Static

static

1

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

Sharing

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General

  • Target

    d4d6f94a0bfa8daee7e8f8efe4f36e9f3cc988d23b26daf9cf6ca01c88ef7afe

  • Size

    4.2MB

  • Sample

    240420-tw4kssda4x

  • MD5

    99ad1872c94b0cb2b5090562786d3a88

  • SHA1

    298edaaecfa7ac1e286fa8bef4b3bb455d2aa981

  • SHA256

    d4d6f94a0bfa8daee7e8f8efe4f36e9f3cc988d23b26daf9cf6ca01c88ef7afe

  • SHA512

    6db0c23f1326bb82e528608e3951ff1e237bbde39ccd18db1d350e021b05e96dbc6eb3f30042c64513c86d0658c30092c401e8c61e1b97f38a4e370e05663725

  • SSDEEP

    49152:Ir1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8D:IBcwtA9b44emOBqNRUORBLE4AjzU

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkitupx

Malware Config

Targets

    • Target

      d4d6f94a0bfa8daee7e8f8efe4f36e9f3cc988d23b26daf9cf6ca01c88ef7afe

    • Size

      4.2MB

    • MD5

      99ad1872c94b0cb2b5090562786d3a88

    • SHA1

      298edaaecfa7ac1e286fa8bef4b3bb455d2aa981

    • SHA256

      d4d6f94a0bfa8daee7e8f8efe4f36e9f3cc988d23b26daf9cf6ca01c88ef7afe

    • SHA512

      6db0c23f1326bb82e528608e3951ff1e237bbde39ccd18db1d350e021b05e96dbc6eb3f30042c64513c86d0658c30092c401e8c61e1b97f38a4e370e05663725

    • SSDEEP

      49152:Ir1oHj0tlV0f9s8MWzX04BUpcYbKwdRAyQZQ93cNVdRbmMzimZc5ZnjMAqqwRi8D:IBcwtA9b44emOBqNRUORBLE4AjzU

    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