General

  • Target

    2427815ee18df58fb2b1ecaf4a3a1c8f581f2b5bfad1a6995c3a0180eb77e0ff

  • Size

    708KB

  • Sample

    210518-x7fqxmzd6j

  • MD5

    b284d06545773d2d2b3d0547a34cb1e4

  • SHA1

    e1d2038df9d3a0192a25853a6caf82a340f03382

  • SHA256

    2427815ee18df58fb2b1ecaf4a3a1c8f581f2b5bfad1a6995c3a0180eb77e0ff

  • SHA512

    8911a969d05f9e0d9a6725265ba6bd4542cab68bd9c01393b81c7205b91b1dbd30e530bc1fd792916fd84a4f6932db8e1c33c7434fc37327ee6c793eeb9c0446

Malware Config

Targets

    • Target

      2427815ee18df58fb2b1ecaf4a3a1c8f581f2b5bfad1a6995c3a0180eb77e0ff

    • Size

      708KB

    • MD5

      b284d06545773d2d2b3d0547a34cb1e4

    • SHA1

      e1d2038df9d3a0192a25853a6caf82a340f03382

    • SHA256

      2427815ee18df58fb2b1ecaf4a3a1c8f581f2b5bfad1a6995c3a0180eb77e0ff

    • SHA512

      8911a969d05f9e0d9a6725265ba6bd4542cab68bd9c01393b81c7205b91b1dbd30e530bc1fd792916fd84a4f6932db8e1c33c7434fc37327ee6c793eeb9c0446

    • Modifies WinLogon for persistence

    • Modifies system executable filetype association

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Adds Run key to start application

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Modifies WinLogon

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

2
T1004

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

6
T1112

Tasks