Overview

overview

10

Static

static

3

531d0d599c...ef.exe

windows7-x64

10

531d0d599c...ef.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    531d0d599c6d325e91028f9e74e8208b5016d961b6125ce7e47a9ff64f66fbef

  • Size

    276KB

  • Sample

    250306-b68cmavrt3

  • MD5

    7f9d25bcb9b3004d8c8106f7c3f1ce92

  • SHA1

    b072647e19e17d727bbe7d644ea3dd7acacfacfc

  • SHA256

    531d0d599c6d325e91028f9e74e8208b5016d961b6125ce7e47a9ff64f66fbef

  • SHA512

    e9d65c73c0cec4144f2f82c4663d430cba401a3b3680d6a663aa82183642b453491b0c6713af6f25ac064f463690ea5466334974f4bbf218b2bedab0d778ffc6

  • SSDEEP

    6144:VNr6DklFdWZHEFJ7aWN1rtMsQBOSGaF+:nr6K2HEGWN1RMs1S7

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

      531d0d599c6d325e91028f9e74e8208b5016d961b6125ce7e47a9ff64f66fbef

    • Size

      276KB

    • MD5

      7f9d25bcb9b3004d8c8106f7c3f1ce92

    • SHA1

      b072647e19e17d727bbe7d644ea3dd7acacfacfc

    • SHA256

      531d0d599c6d325e91028f9e74e8208b5016d961b6125ce7e47a9ff64f66fbef

    • SHA512

      e9d65c73c0cec4144f2f82c4663d430cba401a3b3680d6a663aa82183642b453491b0c6713af6f25ac064f463690ea5466334974f4bbf218b2bedab0d778ffc6

    • SSDEEP

      6144:VNr6DklFdWZHEFJ7aWN1rtMsQBOSGaF+:nr6K2HEGWN1RMs1S7

    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