Overview

overview

10

Static

static

10

9987dc21c6...aa.exe

windows7-x64

10

9987dc21c6...aa.exe

windows10-2004-x64

10

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General

  • Target

    9987dc21c6ce379161c528fce5d49901894c9756ad89593e2b5dffcc278395aa

  • Size

    276KB

  • Sample

    241225-a87nfasmfx

  • MD5

    592d9f8de0dd8c80ab4d889a450b6368

  • SHA1

    0c735e0c1cc34dfa58ff52e715a24548d6d940fc

  • SHA256

    9987dc21c6ce379161c528fce5d49901894c9756ad89593e2b5dffcc278395aa

  • SHA512

    c82b722856cb6da801d8d69a24a732af1e86dd065504ebced7341f49747d915f73b877385254720ad60f11bd0e5923f24aaf8bc044b736d7a06b6085d4da6e90

  • SSDEEP

    3072:k4OgOCjNzwUvYbOteS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtLa:kmjNlv8OtdZMGXF5ahdt3rM8d7TtLa

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

      9987dc21c6ce379161c528fce5d49901894c9756ad89593e2b5dffcc278395aa

    • Size

      276KB

    • MD5

      592d9f8de0dd8c80ab4d889a450b6368

    • SHA1

      0c735e0c1cc34dfa58ff52e715a24548d6d940fc

    • SHA256

      9987dc21c6ce379161c528fce5d49901894c9756ad89593e2b5dffcc278395aa

    • SHA512

      c82b722856cb6da801d8d69a24a732af1e86dd065504ebced7341f49747d915f73b877385254720ad60f11bd0e5923f24aaf8bc044b736d7a06b6085d4da6e90

    • SSDEEP

      3072:k4OgOCjNzwUvYbOteS5pAgYIqGvJ6887lbyMGjXF1kqaholmtbCQVDrM8d7wMtLa:kmjNlv8OtdZMGXF5ahdt3rM8d7TtLa

    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