Overview

overview

10

Static

static

3

1a0afd9752...c6.exe

windows7-x64

10

1a0afd9752...c6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1a0afd975265caf2ff84495101508504fe6d8d010fe63ac4ad04ec6b6d1438c6

  • Size

    92KB

  • Sample

    241222-yx5lpsxrfn

  • MD5

    fe6566fd358f4bc76b016fbd7d469145

  • SHA1

    a04ca4beac9ca9233b221ce7513fee8867905c9b

  • SHA256

    1a0afd975265caf2ff84495101508504fe6d8d010fe63ac4ad04ec6b6d1438c6

  • SHA512

    1e7594d81326382953be80bd338441b564ea64a60c32d224b3a6d505f18515e64d9ec6053a078b5d6d74941c6417849f41507b87f800f34e276aab4a998d36ea

  • SSDEEP

    1536:TtZI/EFAt9W3bmSuhLRS6r5JZM000000xoXwakywkdQO6nKQrUoR24HsUs:YcFAtVxlS4ZM000000xxaRwk2U6THsR

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

      1a0afd975265caf2ff84495101508504fe6d8d010fe63ac4ad04ec6b6d1438c6

    • Size

      92KB

    • MD5

      fe6566fd358f4bc76b016fbd7d469145

    • SHA1

      a04ca4beac9ca9233b221ce7513fee8867905c9b

    • SHA256

      1a0afd975265caf2ff84495101508504fe6d8d010fe63ac4ad04ec6b6d1438c6

    • SHA512

      1e7594d81326382953be80bd338441b564ea64a60c32d224b3a6d505f18515e64d9ec6053a078b5d6d74941c6417849f41507b87f800f34e276aab4a998d36ea

    • SSDEEP

      1536:TtZI/EFAt9W3bmSuhLRS6r5JZM000000xoXwakywkdQO6nKQrUoR24HsUs:YcFAtVxlS4ZM000000xxaRwk2U6THsR

    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