General

  • Target

    8892720e32c6a700f4d3a9f0b10764d3b4bd42abe88482b43b4d782e39130ccf

  • Size

    4.1MB

  • Sample

    230328-a232nsga95

  • MD5

    79be0657a3e64c87ebda0e2176b182c0

  • SHA1

    1a8c6e366811ead3a3c2fb0a4b7ad95a83ebc911

  • SHA256

    8892720e32c6a700f4d3a9f0b10764d3b4bd42abe88482b43b4d782e39130ccf

  • SHA512

    57cc1d2a037c10ad758f89d46ce89730b55cc3bc142bd68236f819113d053771a1024ac95f243a6b600e6d06859a452e5dd10129f9b2a74f4583e0d65b20a4af

  • SSDEEP

    98304:chcDO7EgzRJZT3IHKMrqkJWE0LhQ6uMYKrF:cO/LKQqNE0W0F

Malware Config

Targets

    • Target

      8892720e32c6a700f4d3a9f0b10764d3b4bd42abe88482b43b4d782e39130ccf

    • Size

      4.1MB

    • MD5

      79be0657a3e64c87ebda0e2176b182c0

    • SHA1

      1a8c6e366811ead3a3c2fb0a4b7ad95a83ebc911

    • SHA256

      8892720e32c6a700f4d3a9f0b10764d3b4bd42abe88482b43b4d782e39130ccf

    • SHA512

      57cc1d2a037c10ad758f89d46ce89730b55cc3bc142bd68236f819113d053771a1024ac95f243a6b600e6d06859a452e5dd10129f9b2a74f4583e0d65b20a4af

    • SSDEEP

      98304:chcDO7EgzRJZT3IHKMrqkJWE0LhQ6uMYKrF:cO/LKQqNE0W0F

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks