Overview

overview

10

Static

static

3

91b3fb3a12...4N.exe

windows7-x64

10

91b3fb3a12...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    91b3fb3a12e56acc29fbae545bad44c436433d3ea706740a6c2517c7e334fef4N

  • Size

    368KB

  • Sample

    241010-jcz36a1ekd

  • MD5

    7390218cb6543a8a8b84634536b4afe0

  • SHA1

    7e3c484c3dc1e9537fcee34e2f9f5f473bea1dc0

  • SHA256

    91b3fb3a12e56acc29fbae545bad44c436433d3ea706740a6c2517c7e334fef4

  • SHA512

    ae7ee1df1fd5a4c45b096a7459b8a9454316a740866c555a7213e892fa42c66215a497c0dbf02bbe92fbd32778cfb4de410cbde099b72517a86072a8bf8cb7b2

  • SSDEEP

    6144:LEUQd88A0oE4f9FIUpOVw86CmOJfTo9FIUIhrcflDMxy9FIUpOVw86CmOJfTo9Fv:LV8AoaAD6RrI1+lDMEAD6Rr2NWL

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

      91b3fb3a12e56acc29fbae545bad44c436433d3ea706740a6c2517c7e334fef4N

    • Size

      368KB

    • MD5

      7390218cb6543a8a8b84634536b4afe0

    • SHA1

      7e3c484c3dc1e9537fcee34e2f9f5f473bea1dc0

    • SHA256

      91b3fb3a12e56acc29fbae545bad44c436433d3ea706740a6c2517c7e334fef4

    • SHA512

      ae7ee1df1fd5a4c45b096a7459b8a9454316a740866c555a7213e892fa42c66215a497c0dbf02bbe92fbd32778cfb4de410cbde099b72517a86072a8bf8cb7b2

    • SSDEEP

      6144:LEUQd88A0oE4f9FIUpOVw86CmOJfTo9FIUIhrcflDMxy9FIUpOVw86CmOJfTo9Fv:LV8AoaAD6RrI1+lDMEAD6Rr2NWL

    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