Overview

overview

10

Static

static

3

8d1bf7c1c1...ad.exe

windows7-x64

10

8d1bf7c1c1...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8d1bf7c1c18392055e3d986b3dbf2f0afa06be6b5c35b29db02870dec09dcfad

  • Size

    89KB

  • Sample

    241223-3cv9ravnbj

  • MD5

    5fc0472d1e0b4bc93005b20ccd494db7

  • SHA1

    0a6897f20de86674a46b7d18a8389decdbc960b5

  • SHA256

    8d1bf7c1c18392055e3d986b3dbf2f0afa06be6b5c35b29db02870dec09dcfad

  • SHA512

    5c986218e208e2303df7e83d5fe914bb73943b6dc01fd975f98a6634ede9129b7b92d0688e423ffb0394c148f69d184603f24f4e38616607fe1414ee61d55679

  • SSDEEP

    1536:pt1PEnzBKMrbU76c0/wi47sPZYi9J1vPudUz2B6atq77NsTgcqlExkg8F:pzEnzBKybUf0/ywqi9zvPeUy32cqlakh

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

      8d1bf7c1c18392055e3d986b3dbf2f0afa06be6b5c35b29db02870dec09dcfad

    • Size

      89KB

    • MD5

      5fc0472d1e0b4bc93005b20ccd494db7

    • SHA1

      0a6897f20de86674a46b7d18a8389decdbc960b5

    • SHA256

      8d1bf7c1c18392055e3d986b3dbf2f0afa06be6b5c35b29db02870dec09dcfad

    • SHA512

      5c986218e208e2303df7e83d5fe914bb73943b6dc01fd975f98a6634ede9129b7b92d0688e423ffb0394c148f69d184603f24f4e38616607fe1414ee61d55679

    • SSDEEP

      1536:pt1PEnzBKMrbU76c0/wi47sPZYi9J1vPudUz2B6atq77NsTgcqlExkg8F:pzEnzBKybUf0/ywqi9zvPeUy32cqlakh

    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