Overview

overview

10

Static

static

10

eb0efdf013...b6.exe

windows7-x64

10

eb0efdf013...b6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    eb0efdf0138e6ad9a5aabfec74efed3b1fa0110db59493a0997d6bdd61f72bb6

  • Size

    448KB

  • Sample

    241223-exv8gswkby

  • MD5

    f23d09932f8d0d8198ecc7b9ab0ffd13

  • SHA1

    8ee6b53d7b93801fe310fce3478da9abb0d2ae64

  • SHA256

    eb0efdf0138e6ad9a5aabfec74efed3b1fa0110db59493a0997d6bdd61f72bb6

  • SHA512

    0519d59f46a9c8416172b8633ebb1cacc8c7461086a0a9559ea896748c5c57f2c7cc79973cbec296a9a898eccef3598b5d420a0144ff4996c869c0771c841dc3

  • SSDEEP

    12288:stl4ziG3aaH5W3ybwwUb6ls2oWdeVoo8ukpeeVl:PziO5H5W3Tnbc53cp6p5b

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

      eb0efdf0138e6ad9a5aabfec74efed3b1fa0110db59493a0997d6bdd61f72bb6

    • Size

      448KB

    • MD5

      f23d09932f8d0d8198ecc7b9ab0ffd13

    • SHA1

      8ee6b53d7b93801fe310fce3478da9abb0d2ae64

    • SHA256

      eb0efdf0138e6ad9a5aabfec74efed3b1fa0110db59493a0997d6bdd61f72bb6

    • SHA512

      0519d59f46a9c8416172b8633ebb1cacc8c7461086a0a9559ea896748c5c57f2c7cc79973cbec296a9a898eccef3598b5d420a0144ff4996c869c0771c841dc3

    • SSDEEP

      12288:stl4ziG3aaH5W3ybwwUb6ls2oWdeVoo8ukpeeVl:PziO5H5W3Tnbc53cp6p5b

    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