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Overview

overview

10

Static

static

3

834d41bdcb...3N.exe

windows7-x64

10

834d41bdcb...3N.exe

windows10-2004-x64

10

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General

  • Target

    834d41bdcb639f6a2a5509269c28edd5b94e03fd967d987bb6c7a6475ed93ed3N

  • Size

    96KB

  • Sample

    241004-shzh9a1bpl

  • MD5

    a3f0b92349db08787fdb4a8a28ab34b0

  • SHA1

    acf4b5ed63e183b3d220122e5c1c9da6252c3eff

  • SHA256

    834d41bdcb639f6a2a5509269c28edd5b94e03fd967d987bb6c7a6475ed93ed3

  • SHA512

    447dce9333598fe865ec5bc0095eef4e6e7440bfb089003aa3d9788fd885deeaec586ba42fd317a229cbd931fa28181c58e6166d1d031ae708500a50c42de5a8

  • SSDEEP

    1536:m9YC6nUKz2ypYSIVXiK3Vx1lw3Ix6xAR6ryYcKTLW9TjjQ85siC8S/BOmoACMy0T:S+nU22X1DS1AR6ryYcWLW9TjjQtv8S5f

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

      834d41bdcb639f6a2a5509269c28edd5b94e03fd967d987bb6c7a6475ed93ed3N

    • Size

      96KB

    • MD5

      a3f0b92349db08787fdb4a8a28ab34b0

    • SHA1

      acf4b5ed63e183b3d220122e5c1c9da6252c3eff

    • SHA256

      834d41bdcb639f6a2a5509269c28edd5b94e03fd967d987bb6c7a6475ed93ed3

    • SHA512

      447dce9333598fe865ec5bc0095eef4e6e7440bfb089003aa3d9788fd885deeaec586ba42fd317a229cbd931fa28181c58e6166d1d031ae708500a50c42de5a8

    • SSDEEP

      1536:m9YC6nUKz2ypYSIVXiK3Vx1lw3Ix6xAR6ryYcKTLW9TjjQ85siC8S/BOmoACMy0T:S+nU22X1DS1AR6ryYcWLW9TjjQtv8S5f

    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