Overview

overview

10

Static

static

10

7f5e33799f...e2.exe

windows7-x64

10

7f5e33799f...e2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7f5e33799f876e772720536823febf36a86d658626056357476b5c185ab3e0e2

  • Size

    354KB

  • Sample

    241208-al3qzaxlfr

  • MD5

    d22b491f0aba430a9e3c605e0513b87f

  • SHA1

    2127807d22bcf3368445fb49b4996a2cb0deec89

  • SHA256

    7f5e33799f876e772720536823febf36a86d658626056357476b5c185ab3e0e2

  • SHA512

    b53b53c5d1ffc6cf016d89b24a5771504040024eaaa4ed06b60db7e4dc79694de60d78b2f951599e816f021d0a4fbaf2ed7fa6f1e2334765c7d29d4640411185

  • SSDEEP

    6144:O5qp3M6LfcZf6LnZiLWDQMgm9khUmKyIxLp3tTs8A9Y5CUmKyIxL6iUwb:YqJLEZf6bZi1Mgm9kh3kK9N36Uwb

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

      7f5e33799f876e772720536823febf36a86d658626056357476b5c185ab3e0e2

    • Size

      354KB

    • MD5

      d22b491f0aba430a9e3c605e0513b87f

    • SHA1

      2127807d22bcf3368445fb49b4996a2cb0deec89

    • SHA256

      7f5e33799f876e772720536823febf36a86d658626056357476b5c185ab3e0e2

    • SHA512

      b53b53c5d1ffc6cf016d89b24a5771504040024eaaa4ed06b60db7e4dc79694de60d78b2f951599e816f021d0a4fbaf2ed7fa6f1e2334765c7d29d4640411185

    • SSDEEP

      6144:O5qp3M6LfcZf6LnZiLWDQMgm9khUmKyIxLp3tTs8A9Y5CUmKyIxL6iUwb:YqJLEZf6bZi1Mgm9kh3kK9N36Uwb

    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