Overview

overview

10

Static

static

3

b4bc1c38eb...05.exe

windows7-x64

10

b4bc1c38eb...05.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b4bc1c38eb7bf83438d915d6c6b9bc2383fe8203892a52ed5f23c81cadf39e05.exe

  • Size

    72KB

  • Sample

    241126-bvj6nawrcv

  • MD5

    85c88ddf4787f2edc6ec36903d9c47c1

  • SHA1

    866fbe4d9bc0c7c8c0feef50eaeb354858fa9dfa

  • SHA256

    b4bc1c38eb7bf83438d915d6c6b9bc2383fe8203892a52ed5f23c81cadf39e05

  • SHA512

    51d19c44d92677cd49916dbbd5eb945e301de852cd3d2756493b7f9af310494f04cf6fc35ef50b9e0a345c557a0681eda144665c7a5dc06f8e7f68184fd4c798

  • SSDEEP

    1536:xDAJKEirRA9Y5fQzrydUJ/i4AONC6QUwpo+z:hA79YFQHyd+vHQNpNz

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

      b4bc1c38eb7bf83438d915d6c6b9bc2383fe8203892a52ed5f23c81cadf39e05.exe

    • Size

      72KB

    • MD5

      85c88ddf4787f2edc6ec36903d9c47c1

    • SHA1

      866fbe4d9bc0c7c8c0feef50eaeb354858fa9dfa

    • SHA256

      b4bc1c38eb7bf83438d915d6c6b9bc2383fe8203892a52ed5f23c81cadf39e05

    • SHA512

      51d19c44d92677cd49916dbbd5eb945e301de852cd3d2756493b7f9af310494f04cf6fc35ef50b9e0a345c557a0681eda144665c7a5dc06f8e7f68184fd4c798

    • SSDEEP

      1536:xDAJKEirRA9Y5fQzrydUJ/i4AONC6QUwpo+z:hA79YFQHyd+vHQNpNz

    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