General

  • Target

    cda685d0e85b2f28c00d145da358edc3748357786455965af86a3b0b292051fd

  • Size

    103KB

  • Sample

    220201-k6zj6acaan

  • MD5

    35380d263bbcd4aaa5d158d10ba0f558

  • SHA1

    80c4fabb2412d5482f8c76cf1683eb52d75dfd21

  • SHA256

    cda685d0e85b2f28c00d145da358edc3748357786455965af86a3b0b292051fd

  • SHA512

    7278884e121c16d1a023ac8fa865155b6bb910cdce3a647f869c4aee7f3c14b19f8ecefd931ab725ea66e814d40f33def871a42c03bcc26aad7c7fa918b8e2e3

Score
10/10

Malware Config

Extracted

Family

buer

C2

https://mesoplano.com/

https://banusle.top/

Targets

    • Target

      cda685d0e85b2f28c00d145da358edc3748357786455965af86a3b0b292051fd

    • Size

      103KB

    • MD5

      35380d263bbcd4aaa5d158d10ba0f558

    • SHA1

      80c4fabb2412d5482f8c76cf1683eb52d75dfd21

    • SHA256

      cda685d0e85b2f28c00d145da358edc3748357786455965af86a3b0b292051fd

    • SHA512

      7278884e121c16d1a023ac8fa865155b6bb910cdce3a647f869c4aee7f3c14b19f8ecefd931ab725ea66e814d40f33def871a42c03bcc26aad7c7fa918b8e2e3

    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