Overview

overview

10

Static

static

3

4e03cfe06b...11.exe

windows7-x64

10

4e03cfe06b...11.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e03cfe06b63083a433f045f4324791fa11034a255d016dad65f7be86e7a9b11

  • Size

    87KB

  • Sample

    250306-bkylasvms5

  • MD5

    2c5b6ef70b1338f936d18c73ded35de3

  • SHA1

    f04bbb3ace14f618596326890ed291ed8984ed8a

  • SHA256

    4e03cfe06b63083a433f045f4324791fa11034a255d016dad65f7be86e7a9b11

  • SHA512

    633ea32be68bc88b707d154710708b9a6051d59a8418827b3e80b5e0fcc871ca695cbaad9a700e5fbb6f907258e9d41d1d04fc9ae54ebafdee8f64b65c6b21b3

  • SSDEEP

    1536:aB+XR1bP7wqCgIF2nKxkLKdai8H6cNfdTkKSd7olYRQ4jRSRBDNrR0RVe7R6R8R8:aB6ch0nKxkLKo0BeKAnDlmbGcGFDex

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      4e03cfe06b63083a433f045f4324791fa11034a255d016dad65f7be86e7a9b11

    • Size

      87KB

    • MD5

      2c5b6ef70b1338f936d18c73ded35de3

    • SHA1

      f04bbb3ace14f618596326890ed291ed8984ed8a

    • SHA256

      4e03cfe06b63083a433f045f4324791fa11034a255d016dad65f7be86e7a9b11

    • SHA512

      633ea32be68bc88b707d154710708b9a6051d59a8418827b3e80b5e0fcc871ca695cbaad9a700e5fbb6f907258e9d41d1d04fc9ae54ebafdee8f64b65c6b21b3

    • SSDEEP

      1536:aB+XR1bP7wqCgIF2nKxkLKdai8H6cNfdTkKSd7olYRQ4jRSRBDNrR0RVe7R6R8R8:aB6ch0nKxkLKo0BeKAnDlmbGcGFDex

    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