Overview

overview

10

Static

static

3

bddccbeca5...20.exe

windows7-x64

10

bddccbeca5...20.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bddccbeca57a3cf20e72790cf639d83b4543d615443c818b248208f2549f1120

  • Size

    144KB

  • Sample

    241208-c5mvzaxrfz

  • MD5

    ad55adfe5bc286810ab1f98b0499247c

  • SHA1

    426aef1856b470bd901686915983ac73e1b39670

  • SHA256

    bddccbeca57a3cf20e72790cf639d83b4543d615443c818b248208f2549f1120

  • SHA512

    3e86270f0f41a221a58bde7cf893e57e36d31c5ab02fdc384ef9cc2b4418375abeac638caff30a6d0fb2afe136ed380e552649901247635de13493506b2d38b0

  • SSDEEP

    3072:BvFIOzSs3FIS76MKjJCUjBaWgOgHq/Wp+YmKfxgQdxvq:d2QSCAVJCUjBaWgOUmKyIxi

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

      bddccbeca57a3cf20e72790cf639d83b4543d615443c818b248208f2549f1120

    • Size

      144KB

    • MD5

      ad55adfe5bc286810ab1f98b0499247c

    • SHA1

      426aef1856b470bd901686915983ac73e1b39670

    • SHA256

      bddccbeca57a3cf20e72790cf639d83b4543d615443c818b248208f2549f1120

    • SHA512

      3e86270f0f41a221a58bde7cf893e57e36d31c5ab02fdc384ef9cc2b4418375abeac638caff30a6d0fb2afe136ed380e552649901247635de13493506b2d38b0

    • SSDEEP

      3072:BvFIOzSs3FIS76MKjJCUjBaWgOgHq/Wp+YmKfxgQdxvq:d2QSCAVJCUjBaWgOUmKyIxi

    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