Overview

overview

10

Static

static

10

4c3a4f0c3a...e1.exe

windows7-x64

10

4c3a4f0c3a...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c3a4f0c3a35b96bb2f1719de75a55eff38e561ff21425cb27a6068e533ba1e1

  • Size

    192KB

  • Sample

    250306-bc823avky3

  • MD5

    9c59af97819d7df305084bb950963ef7

  • SHA1

    66a225b9ffc6a822dfcbca784e71005523a951e9

  • SHA256

    4c3a4f0c3a35b96bb2f1719de75a55eff38e561ff21425cb27a6068e533ba1e1

  • SHA512

    b20ac8c939f7462f0de8a6ecd6504b1162c1f44fabaa54c711f6af8c849caadbef3fd251ed6d310b7e7bcf01b8ee3c10dbf5406a52bb809e0177e308e800690f

  • SSDEEP

    3072:gjud6AfpMsJZy2fhLIGjoxEti/mjRrz3OaZFU24cQ7SZFU2:gj2pR3hLhjoxEti/GOORjMmR

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

      4c3a4f0c3a35b96bb2f1719de75a55eff38e561ff21425cb27a6068e533ba1e1

    • Size

      192KB

    • MD5

      9c59af97819d7df305084bb950963ef7

    • SHA1

      66a225b9ffc6a822dfcbca784e71005523a951e9

    • SHA256

      4c3a4f0c3a35b96bb2f1719de75a55eff38e561ff21425cb27a6068e533ba1e1

    • SHA512

      b20ac8c939f7462f0de8a6ecd6504b1162c1f44fabaa54c711f6af8c849caadbef3fd251ed6d310b7e7bcf01b8ee3c10dbf5406a52bb809e0177e308e800690f

    • SSDEEP

      3072:gjud6AfpMsJZy2fhLIGjoxEti/mjRrz3OaZFU24cQ7SZFU2:gj2pR3hLhjoxEti/GOORjMmR

    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