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Overview

overview

10

Static

static

3

c3b9dbe3f2...4d.exe

windows7-x64

10

c3b9dbe3f2...4d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c3b9dbe3f2d0286080530e43b4110e893b78351090d7af79b9d7bc1586cf924d.exe

  • Size

    97KB

  • Sample

    241222-pz5vtayqfm

  • MD5

    654497a4b7db67c90d625aaa1a676246

  • SHA1

    2e05dcbb34d03dc8834bffabe48e52f9a55e9746

  • SHA256

    c3b9dbe3f2d0286080530e43b4110e893b78351090d7af79b9d7bc1586cf924d

  • SHA512

    cec0dfc602ef00a1ba75d160e1c82729d15e6b1c1084f9d63d486761dba36b28e74d347680b29110838c68918fed44513f2a01ae77039abf4a94f749fed4f6b6

  • SSDEEP

    1536:CvCzHO6FeT+0+HKs7WZubHs0wNfpS8ZBOE0DVtvJXeYZe:y8FehaK5ZuQ0whRgEEFJXeKe

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

      c3b9dbe3f2d0286080530e43b4110e893b78351090d7af79b9d7bc1586cf924d.exe

    • Size

      97KB

    • MD5

      654497a4b7db67c90d625aaa1a676246

    • SHA1

      2e05dcbb34d03dc8834bffabe48e52f9a55e9746

    • SHA256

      c3b9dbe3f2d0286080530e43b4110e893b78351090d7af79b9d7bc1586cf924d

    • SHA512

      cec0dfc602ef00a1ba75d160e1c82729d15e6b1c1084f9d63d486761dba36b28e74d347680b29110838c68918fed44513f2a01ae77039abf4a94f749fed4f6b6

    • SSDEEP

      1536:CvCzHO6FeT+0+HKs7WZubHs0wNfpS8ZBOE0DVtvJXeYZe:y8FehaK5ZuQ0whRgEEFJXeKe

    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