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Overview

overview

10

Static

static

3

f295ef95a4...0d.exe

windows7-x64

10

f295ef95a4...0d.exe

windows10-2004-x64

10

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General

  • Target

    f295ef95a4596d9a0b63344b366c775a447f2906ec5ddac1d757fe3462e6b40d

  • Size

    73KB

  • Sample

    250305-py5tesyvh1

  • MD5

    5256028d2b4220adf8e5715d2f9b544d

  • SHA1

    fcef42dbcea707bef10d45386e8202ad9a232112

  • SHA256

    f295ef95a4596d9a0b63344b366c775a447f2906ec5ddac1d757fe3462e6b40d

  • SHA512

    bf9cfac002bab0dc24518981d3d50f04cae19c66b817ea64e42773cd005f042624ba0677c683ae531a6e13c8dc7c314aca82e4a41b324c987f1aedae42ece5ea

  • SSDEEP

    1536:3ydizlOR/V7Ib0V2o43KGGTdS0jBynxKGZ2lLKKq:3ydaaRIbno46tTdS0EnxKGQ8T

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

      f295ef95a4596d9a0b63344b366c775a447f2906ec5ddac1d757fe3462e6b40d

    • Size

      73KB

    • MD5

      5256028d2b4220adf8e5715d2f9b544d

    • SHA1

      fcef42dbcea707bef10d45386e8202ad9a232112

    • SHA256

      f295ef95a4596d9a0b63344b366c775a447f2906ec5ddac1d757fe3462e6b40d

    • SHA512

      bf9cfac002bab0dc24518981d3d50f04cae19c66b817ea64e42773cd005f042624ba0677c683ae531a6e13c8dc7c314aca82e4a41b324c987f1aedae42ece5ea

    • SSDEEP

      1536:3ydizlOR/V7Ib0V2o43KGGTdS0jBynxKGZ2lLKKq:3ydaaRIbno46tTdS0EnxKGQ8T

    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