Overview

overview

10

Static

static

3

fcb73617bb...0N.exe

windows7-x64

10

fcb73617bb...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fcb73617bb1a67bfd4ceae16a2776d29b92fca5d14f280bfb18b8ed0dd5f4370N

  • Size

    90KB

  • Sample

    240927-k5jgjsvenl

  • MD5

    6b002baf91302776894b4252b6bdc8c0

  • SHA1

    4ac8508e98fccfb1a3bfb84e68c62e760b879338

  • SHA256

    fcb73617bb1a67bfd4ceae16a2776d29b92fca5d14f280bfb18b8ed0dd5f4370

  • SHA512

    d8460884c1dfc20b44474fa62d41c8fb5f9c5c74abf574fa8473c814fcf4c0473fdb8a57a205390eafd203c0f8ebcadfef5cef00b3e7dbd68049331b28be8fa4

  • SSDEEP

    1536:IvSIPaL7y3yZ8FKKcYhdTzND//Czmo3zJ5aMh73MtmSGqu/Ub0VkVNK:IvSIkyAOKDYhFlizT5aMeGqu/Ub0+NK

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

      fcb73617bb1a67bfd4ceae16a2776d29b92fca5d14f280bfb18b8ed0dd5f4370N

    • Size

      90KB

    • MD5

      6b002baf91302776894b4252b6bdc8c0

    • SHA1

      4ac8508e98fccfb1a3bfb84e68c62e760b879338

    • SHA256

      fcb73617bb1a67bfd4ceae16a2776d29b92fca5d14f280bfb18b8ed0dd5f4370

    • SHA512

      d8460884c1dfc20b44474fa62d41c8fb5f9c5c74abf574fa8473c814fcf4c0473fdb8a57a205390eafd203c0f8ebcadfef5cef00b3e7dbd68049331b28be8fa4

    • SSDEEP

      1536:IvSIPaL7y3yZ8FKKcYhdTzND//Czmo3zJ5aMh73MtmSGqu/Ub0VkVNK:IvSIkyAOKDYhFlizT5aMeGqu/Ub0+NK

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks