Overview

overview

10

Static

static

3

c0ff4b406e...8N.exe

windows7-x64

10

c0ff4b406e...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c0ff4b406e71f1fdf7f7dd0a6070fb9911db2a5db34c1e1781cf4dbdfb4a8a18N

  • Size

    320KB

  • Sample

    241031-ka6zcssqhv

  • MD5

    be2a83391a8f06dbd508c6cb974c2ec0

  • SHA1

    2896af3279ea1633e34eb9688a9c2dc49046f028

  • SHA256

    c0ff4b406e71f1fdf7f7dd0a6070fb9911db2a5db34c1e1781cf4dbdfb4a8a18

  • SHA512

    67952d0185d1316fc8ea957d4b449da6be273fdf3997b6ec31c4fa9d2991eb2c805d5d8ee9a5dbb2a4ad320d567238a48de83a0ac1b3242486509315eccf6e2d

  • SSDEEP

    6144:kWBNZLAYCtE07kli0KoCYtw2B0Ddu9szWfx09UBIUbPLwH/lLOUaR/N1I0lO170A:kWmYJ07kE0KoFtw2gu9RxrBIUbPLwH9J

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      c0ff4b406e71f1fdf7f7dd0a6070fb9911db2a5db34c1e1781cf4dbdfb4a8a18N

    • Size

      320KB

    • MD5

      be2a83391a8f06dbd508c6cb974c2ec0

    • SHA1

      2896af3279ea1633e34eb9688a9c2dc49046f028

    • SHA256

      c0ff4b406e71f1fdf7f7dd0a6070fb9911db2a5db34c1e1781cf4dbdfb4a8a18

    • SHA512

      67952d0185d1316fc8ea957d4b449da6be273fdf3997b6ec31c4fa9d2991eb2c805d5d8ee9a5dbb2a4ad320d567238a48de83a0ac1b3242486509315eccf6e2d

    • SSDEEP

      6144:kWBNZLAYCtE07kli0KoCYtw2B0Ddu9szWfx09UBIUbPLwH/lLOUaR/N1I0lO170A:kWmYJ07kE0KoFtw2gu9RxrBIUbPLwH9J

    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