Overview

overview

10

Static

static

3

bf5f7ea495...79.exe

windows7-x64

10

bf5f7ea495...79.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bf5f7ea495b8a6e8ddfb234b349645f5ee65cdcca082a09d801d902190784f79

  • Size

    74KB

  • Sample

    241120-dr99sazgmj

  • MD5

    c3cf7c3f3f60cf235d7e09d6f9798dad

  • SHA1

    9a0cec444c806f4402b9a814750f79efdbb09a65

  • SHA256

    bf5f7ea495b8a6e8ddfb234b349645f5ee65cdcca082a09d801d902190784f79

  • SHA512

    9b81b2cac9e168c3c63f133a146f814082f3b0a9a620d1ac67e962fbc0703382ade1b53a3e712b18b8aa05f2e9347b7580870f59368e1686ea4b38d449fe197d

  • SSDEEP

    1536:uoAYt93eXKaUR5V3/YorRAXF/GDRh6wyhgtuWG7gfoTjwEl:unQacDvYcRUF/GDUhgtq7gfooEl

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

      bf5f7ea495b8a6e8ddfb234b349645f5ee65cdcca082a09d801d902190784f79

    • Size

      74KB

    • MD5

      c3cf7c3f3f60cf235d7e09d6f9798dad

    • SHA1

      9a0cec444c806f4402b9a814750f79efdbb09a65

    • SHA256

      bf5f7ea495b8a6e8ddfb234b349645f5ee65cdcca082a09d801d902190784f79

    • SHA512

      9b81b2cac9e168c3c63f133a146f814082f3b0a9a620d1ac67e962fbc0703382ade1b53a3e712b18b8aa05f2e9347b7580870f59368e1686ea4b38d449fe197d

    • SSDEEP

      1536:uoAYt93eXKaUR5V3/YorRAXF/GDRh6wyhgtuWG7gfoTjwEl:unQacDvYcRUF/GDUhgtq7gfooEl

    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