Overview

overview

10

Static

static

3

a3b5288b58...6N.exe

windows7-x64

10

a3b5288b58...6N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a3b5288b589decdba5c569d4a966b04b91e97b30474a2086ad1c6919f5c04226N

  • Size

    74KB

  • Sample

    241004-jy959asgrp

  • MD5

    fde0befebffe1c08aae8864ea4ee9770

  • SHA1

    f07e70608818f01cad4b094fa15b137a731e31d6

  • SHA256

    a3b5288b589decdba5c569d4a966b04b91e97b30474a2086ad1c6919f5c04226

  • SHA512

    d88e58432a3dd60d8cd4f3adf6aa5d1b5f357491d6373d707922229024d85e3cdbb58d03626d8634b99060ab6ba1d4f0ad2118e3a02e4722bf2080b452aa7d92

  • SSDEEP

    1536:h1dNqkBVJuKpHrR5p3IQ7MM+meeGZGCjIo+BL9XhA8v:DbrugHN5hILGCjIo+F9x7v

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

      a3b5288b589decdba5c569d4a966b04b91e97b30474a2086ad1c6919f5c04226N

    • Size

      74KB

    • MD5

      fde0befebffe1c08aae8864ea4ee9770

    • SHA1

      f07e70608818f01cad4b094fa15b137a731e31d6

    • SHA256

      a3b5288b589decdba5c569d4a966b04b91e97b30474a2086ad1c6919f5c04226

    • SHA512

      d88e58432a3dd60d8cd4f3adf6aa5d1b5f357491d6373d707922229024d85e3cdbb58d03626d8634b99060ab6ba1d4f0ad2118e3a02e4722bf2080b452aa7d92

    • SSDEEP

      1536:h1dNqkBVJuKpHrR5p3IQ7MM+meeGZGCjIo+BL9XhA8v:DbrugHN5hILGCjIo+F9x7v

    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