Overview

overview

10

Static

static

10

f66921f9ca...bf.exe

windows7-x64

10

f66921f9ca...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f66921f9cac8eb283fa6cc82066451dbc5f78e2b692adcdb8d773e074b8ccebf.exe

  • Size

    386KB

  • Sample

    241225-x9g6hatqhx

  • MD5

    31eb3ba3d8b90e1bb8fc426c947d7634

  • SHA1

    e049776c1a9e8521457b22a328734233766e7614

  • SHA256

    f66921f9cac8eb283fa6cc82066451dbc5f78e2b692adcdb8d773e074b8ccebf

  • SHA512

    e8c11e8a9463962a31e1c9bb354cfbe684732825cd06fdedfa20ea9efb3e4e7ee6156ff367d40cf8736aee3837d9141c8466101cfa0459a7ef66d6148d820661

  • SSDEEP

    12288:oN8efr8QGyzRwQZ7287xmPFRkfJg9qwQZ7287xmPj:c86dGyzRZZ/aFKm9qZZ/aj

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

      f66921f9cac8eb283fa6cc82066451dbc5f78e2b692adcdb8d773e074b8ccebf.exe

    • Size

      386KB

    • MD5

      31eb3ba3d8b90e1bb8fc426c947d7634

    • SHA1

      e049776c1a9e8521457b22a328734233766e7614

    • SHA256

      f66921f9cac8eb283fa6cc82066451dbc5f78e2b692adcdb8d773e074b8ccebf

    • SHA512

      e8c11e8a9463962a31e1c9bb354cfbe684732825cd06fdedfa20ea9efb3e4e7ee6156ff367d40cf8736aee3837d9141c8466101cfa0459a7ef66d6148d820661

    • SSDEEP

      12288:oN8efr8QGyzRwQZ7287xmPFRkfJg9qwQZ7287xmPj:c86dGyzRZZ/aFKm9qZZ/aj

    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