General

  • Target

    522a42c27449aba54fa539f28082f1ddc2e8e6ea4f3dd29141f702a5ad82e29f

  • Size

    277KB

  • Sample

    220205-ta4zfadbhk

  • MD5

    87458f08d1c715853dfcbdc7510566be

  • SHA1

    7b1a5d9bb21d852a6dbf3146fabb1cd1ca276ed9

  • SHA256

    522a42c27449aba54fa539f28082f1ddc2e8e6ea4f3dd29141f702a5ad82e29f

  • SHA512

    ed91a9a42c494076d5a57bde8d8c3247e8fa1bcf85af8e36e304d9dfd00223b2f4f306c1b3474d3afe7d6b2f9f77dc7b579d3d7b96770699d88e947dc2c685c3

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://cloudupdates.co.za/

https:///securitycloudserver.co.za/

Targets

    • Target

      522a42c27449aba54fa539f28082f1ddc2e8e6ea4f3dd29141f702a5ad82e29f

    • Size

      277KB

    • MD5

      87458f08d1c715853dfcbdc7510566be

    • SHA1

      7b1a5d9bb21d852a6dbf3146fabb1cd1ca276ed9

    • SHA256

      522a42c27449aba54fa539f28082f1ddc2e8e6ea4f3dd29141f702a5ad82e29f

    • SHA512

      ed91a9a42c494076d5a57bde8d8c3247e8fa1bcf85af8e36e304d9dfd00223b2f4f306c1b3474d3afe7d6b2f9f77dc7b579d3d7b96770699d88e947dc2c685c3

    Score
    10/10
    • Buer

      Buer is a new modular loader first seen in August 2019.

    • Modifies WinLogon for persistence

    • Buer Loader

      Detects Buer loader in memory or disk.

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v6

Tasks