Overview

overview

10

Static

static

3

6b438b0619...bN.exe

windows7-x64

10

6b438b0619...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6b438b0619fd4734d00ebc0715e3267d3a98b8202d4f70d22d5304c33a9ca3fbN

  • Size

    97KB

  • Sample

    240919-yxl5csxhpa

  • MD5

    33d329311ff3e0e25b508e00ff3b2960

  • SHA1

    189ba233aeda51bca3bdfbb3777339dfb5033300

  • SHA256

    6b438b0619fd4734d00ebc0715e3267d3a98b8202d4f70d22d5304c33a9ca3fb

  • SHA512

    8f7cb3285f7dc965d0cfc46239b84a83d3fb4aae846e11464caf6a2a43e0d71bfa83d34a6f25dacbb47b5ff03cc473c770b3cfc299d4c5e0763bd3cc640993a6

  • SSDEEP

    1536:ozVkkh6GTFqpSRkkrYpsKnvj39KTC2vJXeYZ6:BkhrKnr98PJXeK6

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

      6b438b0619fd4734d00ebc0715e3267d3a98b8202d4f70d22d5304c33a9ca3fbN

    • Size

      97KB

    • MD5

      33d329311ff3e0e25b508e00ff3b2960

    • SHA1

      189ba233aeda51bca3bdfbb3777339dfb5033300

    • SHA256

      6b438b0619fd4734d00ebc0715e3267d3a98b8202d4f70d22d5304c33a9ca3fb

    • SHA512

      8f7cb3285f7dc965d0cfc46239b84a83d3fb4aae846e11464caf6a2a43e0d71bfa83d34a6f25dacbb47b5ff03cc473c770b3cfc299d4c5e0763bd3cc640993a6

    • SSDEEP

      1536:ozVkkh6GTFqpSRkkrYpsKnvj39KTC2vJXeYZ6:BkhrKnr98PJXeK6

    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