Overview

overview

10

Static

static

3

c23a073107...33.exe

windows7-x64

10

c23a073107...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c23a0731078bec9d7e8726a87c60fd926ef046443654716fcd79df15c2a66733.exe

  • Size

    72KB

  • Sample

    241225-ywcjjawjc1

  • MD5

    f99c7e80a4cba6ce4a73f88f18015bfc

  • SHA1

    b50a545cf9f3a8a5d5ba5591bf959ac0d88a2749

  • SHA256

    c23a0731078bec9d7e8726a87c60fd926ef046443654716fcd79df15c2a66733

  • SHA512

    c82efe8409c5f6ca0a197faa2f483330c550cd34b270c95d52c286cb6cda9b5b318980b371efd532078b82713e774385f2527c1ef57ad7ee0a05a885e1fc0595

  • SSDEEP

    1536:/U+tgyYCzbYjXgZTWpymjQ2hVS9xS4lDKg/aJdm9NEmRVK31FIzLH7Unk:SyYCzbcXWWUGQGwDlEdMG0H7Uk

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

      c23a0731078bec9d7e8726a87c60fd926ef046443654716fcd79df15c2a66733.exe

    • Size

      72KB

    • MD5

      f99c7e80a4cba6ce4a73f88f18015bfc

    • SHA1

      b50a545cf9f3a8a5d5ba5591bf959ac0d88a2749

    • SHA256

      c23a0731078bec9d7e8726a87c60fd926ef046443654716fcd79df15c2a66733

    • SHA512

      c82efe8409c5f6ca0a197faa2f483330c550cd34b270c95d52c286cb6cda9b5b318980b371efd532078b82713e774385f2527c1ef57ad7ee0a05a885e1fc0595

    • SSDEEP

      1536:/U+tgyYCzbYjXgZTWpymjQ2hVS9xS4lDKg/aJdm9NEmRVK31FIzLH7Unk:SyYCzbcXWWUGQGwDlEdMG0H7Uk

    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