General

  • Target

    7f200ea4c19dcd2d2f9e83e9758034af1ab06cc110b030752b0a1934d5974eda

  • Size

    422KB

  • Sample

    210515-afqd1wk76a

  • MD5

    3d75142ef2b8f2ea07efb85d99e72610

  • SHA1

    d4be52a1d0ab8198aa1e007b8252dbb147fd070a

  • SHA256

    7f200ea4c19dcd2d2f9e83e9758034af1ab06cc110b030752b0a1934d5974eda

  • SHA512

    491b18106202c86d0bcaea73c18e7bcfe97eaaa7ebe63c35b1dacb6f672053af7fd0db68e5f868b8c5278576a5436133020057f38c6aab40728597d3acb2e4d3

Malware Config

Targets

    • Target

      7f200ea4c19dcd2d2f9e83e9758034af1ab06cc110b030752b0a1934d5974eda

    • Size

      422KB

    • MD5

      3d75142ef2b8f2ea07efb85d99e72610

    • SHA1

      d4be52a1d0ab8198aa1e007b8252dbb147fd070a

    • SHA256

      7f200ea4c19dcd2d2f9e83e9758034af1ab06cc110b030752b0a1934d5974eda

    • SHA512

      491b18106202c86d0bcaea73c18e7bcfe97eaaa7ebe63c35b1dacb6f672053af7fd0db68e5f868b8c5278576a5436133020057f38c6aab40728597d3acb2e4d3

    • 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