Overview

overview

10

Static

static

3

8fbefd03d1...ff.exe

windows7-x64

10

8fbefd03d1...ff.exe

windows10-2004-x64

10

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General

  • Target

    8fbefd03d1d3c2a9970218bf4fc265d893b9312178450f6a1e151745aa4505ff

  • Size

    79KB

  • Sample

    241208-bbbp6stlbv

  • MD5

    c6b176f96c7d6788c78eb6a7845c3433

  • SHA1

    873f222bd62fee0c77754a54ada452c0984bbbbc

  • SHA256

    8fbefd03d1d3c2a9970218bf4fc265d893b9312178450f6a1e151745aa4505ff

  • SHA512

    b1c557a5a0dd651e365756d2ca64d889c8458be26a423ec1ead85170864a6cbe5dbdecd2a351c58a6bafb9626bf14e6b30c825566993e993b415d8b94d946bdb

  • SSDEEP

    1536:VekF/lfOlfxfk/l4Vh/TBRQnRbRUs3cO57OWxXPu4T:vfOlf9kN4/Benlj9puE

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

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

Targets

    • Target

      8fbefd03d1d3c2a9970218bf4fc265d893b9312178450f6a1e151745aa4505ff

    • Size

      79KB

    • MD5

      c6b176f96c7d6788c78eb6a7845c3433

    • SHA1

      873f222bd62fee0c77754a54ada452c0984bbbbc

    • SHA256

      8fbefd03d1d3c2a9970218bf4fc265d893b9312178450f6a1e151745aa4505ff

    • SHA512

      b1c557a5a0dd651e365756d2ca64d889c8458be26a423ec1ead85170864a6cbe5dbdecd2a351c58a6bafb9626bf14e6b30c825566993e993b415d8b94d946bdb

    • SSDEEP

      1536:VekF/lfOlfxfk/l4Vh/TBRQnRbRUs3cO57OWxXPu4T:vfOlf9kN4/Benlj9puE

    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