Overview

overview

10

Static

static

10

4449cc76f3...1N.exe

windows7-x64

10

4449cc76f3...1N.exe

windows10-2004-x64

10

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General

  • Target

    4449cc76f31342338d3e373363575ce634d39e6ee8ab0b7c2881cb4a4c45b391N.exe

  • Size

    276KB

  • Sample

    241208-dk2n3avjcm

  • MD5

    bbbd19e1bed2cb07725120f3ed1a90b0

  • SHA1

    6bbb23b6fad70e43b3d437b5919919bdd856e913

  • SHA256

    4449cc76f31342338d3e373363575ce634d39e6ee8ab0b7c2881cb4a4c45b391

  • SHA512

    5ec90225d3778062e29cc3e8a5c88352ad74dc39fbd25c032b37af2c3dec7471aa6f4125b1f122a8c04f6279dd2cebb92b3726f8d8bfcc304af78ac3c1ee0f7c

  • SSDEEP

    6144:wb8MrVhB5K0GdZMGXF5ahdt3rM8d7TtLa:5HXFWtJ9O

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

      4449cc76f31342338d3e373363575ce634d39e6ee8ab0b7c2881cb4a4c45b391N.exe

    • Size

      276KB

    • MD5

      bbbd19e1bed2cb07725120f3ed1a90b0

    • SHA1

      6bbb23b6fad70e43b3d437b5919919bdd856e913

    • SHA256

      4449cc76f31342338d3e373363575ce634d39e6ee8ab0b7c2881cb4a4c45b391

    • SHA512

      5ec90225d3778062e29cc3e8a5c88352ad74dc39fbd25c032b37af2c3dec7471aa6f4125b1f122a8c04f6279dd2cebb92b3726f8d8bfcc304af78ac3c1ee0f7c

    • SSDEEP

      6144:wb8MrVhB5K0GdZMGXF5ahdt3rM8d7TtLa:5HXFWtJ9O

    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