Overview

overview

10

Static

static

3

33e3fbda2f...6a.exe

windows7-x64

10

33e3fbda2f...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    33e3fbda2f361a9f2ec7f14c81674b43e31d25832ac30b2eb98766da9c46ff6a

  • Size

    128KB

  • Sample

    250307-bdvk3a1tds

  • MD5

    72510f00186ffd61b6d899ceb7720ce2

  • SHA1

    650b18b973755a0dce82bc425f7934361fe28312

  • SHA256

    33e3fbda2f361a9f2ec7f14c81674b43e31d25832ac30b2eb98766da9c46ff6a

  • SHA512

    113f4f1f27b15297e5ec342010c59b63cfe087bd0b595454b45f87c536d3253d927cbf0c0ee7799b6a3bed6c8b941410966b1355b2636a8b206fbe72b264ae87

  • SSDEEP

    3072:YPkwgmYZ3vn8QI90+54x7sm0i/mjRrz3/:Y0mYJf8dGsXi/G/

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

      33e3fbda2f361a9f2ec7f14c81674b43e31d25832ac30b2eb98766da9c46ff6a

    • Size

      128KB

    • MD5

      72510f00186ffd61b6d899ceb7720ce2

    • SHA1

      650b18b973755a0dce82bc425f7934361fe28312

    • SHA256

      33e3fbda2f361a9f2ec7f14c81674b43e31d25832ac30b2eb98766da9c46ff6a

    • SHA512

      113f4f1f27b15297e5ec342010c59b63cfe087bd0b595454b45f87c536d3253d927cbf0c0ee7799b6a3bed6c8b941410966b1355b2636a8b206fbe72b264ae87

    • SSDEEP

      3072:YPkwgmYZ3vn8QI90+54x7sm0i/mjRrz3/:Y0mYJf8dGsXi/G/

    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