General

  • Target

    23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

  • Size

    4.0MB

  • Sample

    220921-cyf4vaaddl

  • MD5

    d956c8361ab251254dc23ca9e67fa82b

  • SHA1

    c59e381c5eb3b53f58df87d01aa755357eb960d5

  • SHA256

    23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

  • SHA512

    2f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2

  • SSDEEP

    98304:7yYe88CWTziGxnRF11jI214beDDUE85Zf0KTSkoq1zkB5:7jeV9xX1i2iyDDTSZMSSkoYkB5

Malware Config

Targets

    • Target

      23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

    • Size

      4.0MB

    • MD5

      d956c8361ab251254dc23ca9e67fa82b

    • SHA1

      c59e381c5eb3b53f58df87d01aa755357eb960d5

    • SHA256

      23ca1175f590ff5daf6071de8af6ca33e4df345a75bd9dcf9230d0c8a290af5f

    • SHA512

      2f30d60b6f0bcb3dcc9a4bfe90eef12801a925bfd30cda14e332f20ad1e2b42acad9f44354f9eb31694ddd7ef93559abcae8c5b232fce92c9e70bbf4f893b1a2

    • SSDEEP

      98304:7yYe88CWTziGxnRF11jI214beDDUE85Zf0KTSkoq1zkB5:7jeV9xX1i2iyDDTSZMSSkoYkB5

    • Glupteba

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

    • Windows security bypass

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Loads dropped DLL

    • 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.

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

1
T1012

System Information Discovery

1
T1082

Tasks