Overview

overview

10

Static

static

3

49f2de0200...81.exe

windows7-x64

10

49f2de0200...81.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    49f2de0200da7b82421acc7a99078f36a7dd1fd3aabf69c30b5510bb15db8881

  • Size

    96KB

  • Sample

    241209-1ajf3a1rgt

  • MD5

    f468752a88277d36d67368585933011f

  • SHA1

    75e7ed18440391f80d2eab244f0f717ee6fc9847

  • SHA256

    49f2de0200da7b82421acc7a99078f36a7dd1fd3aabf69c30b5510bb15db8881

  • SHA512

    efdc96443bf8928cce5ee3a085dc6ed3150f5e24e81ac26fa5bdcc3967d285eff6cf70f3904b5f910f58e78dca99263f0e83501beadcbae222676254246da269

  • SSDEEP

    1536:ERiiOVpLiYxFXL2NIfqx3UExRkhaq5zd8M3ENmvUu621bIg8lighrUQVoMdUT+iR:ERvQpLiqcw+UCRkhNdz3HvUutFIg8lil

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

      49f2de0200da7b82421acc7a99078f36a7dd1fd3aabf69c30b5510bb15db8881

    • Size

      96KB

    • MD5

      f468752a88277d36d67368585933011f

    • SHA1

      75e7ed18440391f80d2eab244f0f717ee6fc9847

    • SHA256

      49f2de0200da7b82421acc7a99078f36a7dd1fd3aabf69c30b5510bb15db8881

    • SHA512

      efdc96443bf8928cce5ee3a085dc6ed3150f5e24e81ac26fa5bdcc3967d285eff6cf70f3904b5f910f58e78dca99263f0e83501beadcbae222676254246da269

    • SSDEEP

      1536:ERiiOVpLiYxFXL2NIfqx3UExRkhaq5zd8M3ENmvUu621bIg8lighrUQVoMdUT+iR:ERvQpLiqcw+UCRkhNdz3HvUutFIg8lil

    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