Overview

overview

10

Static

static

3

efa21195ee...6N.exe

windows7-x64

10

efa21195ee...6N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    efa21195ee80044a66f39f0585d73e4fdd842f33b192207f1921b98130477696N

  • Size

    96KB

  • Sample

    241002-c61hfsxajb

  • MD5

    b94230a379a7e37b8caae48753351d10

  • SHA1

    ef6cb130ac67bfe86686683b7bf57bf53dcbc72f

  • SHA256

    efa21195ee80044a66f39f0585d73e4fdd842f33b192207f1921b98130477696

  • SHA512

    ad6ec86f58169bf5e83edd5f4a47a952aa43523a910d1a04c602813fea28ea48cad3a55c5d2d0c8b8e59bd2517d8d91c373bb40a99fe356fa016914cb43f1df9

  • SSDEEP

    3072:MKJNVgTLCT6CguaVsyz8NKkKbd69jc0v:MKaApyz8NKkKbd6NV

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

      efa21195ee80044a66f39f0585d73e4fdd842f33b192207f1921b98130477696N

    • Size

      96KB

    • MD5

      b94230a379a7e37b8caae48753351d10

    • SHA1

      ef6cb130ac67bfe86686683b7bf57bf53dcbc72f

    • SHA256

      efa21195ee80044a66f39f0585d73e4fdd842f33b192207f1921b98130477696

    • SHA512

      ad6ec86f58169bf5e83edd5f4a47a952aa43523a910d1a04c602813fea28ea48cad3a55c5d2d0c8b8e59bd2517d8d91c373bb40a99fe356fa016914cb43f1df9

    • SSDEEP

      3072:MKJNVgTLCT6CguaVsyz8NKkKbd69jc0v:MKaApyz8NKkKbd6NV

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks