Overview

overview

10

Static

static

10

691f4edbdd...9c.exe

windows7-x64

10

691f4edbdd...9c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    691f4edbddc99a3bb9791eb9d9070bf9f59044749bcb55ab4f1a08f628f5f99c

  • Size

    276KB

  • Sample

    241222-3cc36ssjan

  • MD5

    c02402e3fddbedc04cc0e36c2cd3378d

  • SHA1

    87dea6b6e533738e102f0d39e0ba416a32a95228

  • SHA256

    691f4edbddc99a3bb9791eb9d9070bf9f59044749bcb55ab4f1a08f628f5f99c

  • SHA512

    e244c60bfba215d7418a77c35374bb880971ecf580cc7af258f4bce4013edacbaf20b8b9ea3cbffa773a5e6aa3447d0742efdcfc5c71f373e431cd4080312325

  • SSDEEP

    3072:FkeY+cMwVed1EIUweS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtLa:SzdMZoIUwdZMGXF5ahdt3rM8d7TtLa

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      691f4edbddc99a3bb9791eb9d9070bf9f59044749bcb55ab4f1a08f628f5f99c

    • Size

      276KB

    • MD5

      c02402e3fddbedc04cc0e36c2cd3378d

    • SHA1

      87dea6b6e533738e102f0d39e0ba416a32a95228

    • SHA256

      691f4edbddc99a3bb9791eb9d9070bf9f59044749bcb55ab4f1a08f628f5f99c

    • SHA512

      e244c60bfba215d7418a77c35374bb880971ecf580cc7af258f4bce4013edacbaf20b8b9ea3cbffa773a5e6aa3447d0742efdcfc5c71f373e431cd4080312325

    • SSDEEP

      3072:FkeY+cMwVed1EIUweS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtLa:SzdMZoIUwdZMGXF5ahdt3rM8d7TtLa

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks