Overview

overview

10

Static

static

10

2041395b0e...14.exe

windows7-x64

10

2041395b0e...14.exe

windows10-2004-x64

10

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General

  • Target

    2041395b0e1e72f487d72f6c9815105e8ff97f46be68a9bfa84cc5aba681cf14

  • Size

    276KB

  • Sample

    241207-y9hmpsxmck

  • MD5

    fbe69862f690f49ba9c6b771ab7d42b3

  • SHA1

    53cb1a61992dab10d8898e370fe5f187a27d2844

  • SHA256

    2041395b0e1e72f487d72f6c9815105e8ff97f46be68a9bfa84cc5aba681cf14

  • SHA512

    b179a1102b41f9691764475c5daaadf75ee17987de20fdeac47948ad34fe35df6b0e288520d15fd15de36ffbd54153bf685744f7968e169e4738a27d623e8898

  • SSDEEP

    6144:upOXw9815Pc8dZMGXF5ahdt3rM8d7TtLe:QwwcPBXFWtJ96

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

      2041395b0e1e72f487d72f6c9815105e8ff97f46be68a9bfa84cc5aba681cf14

    • Size

      276KB

    • MD5

      fbe69862f690f49ba9c6b771ab7d42b3

    • SHA1

      53cb1a61992dab10d8898e370fe5f187a27d2844

    • SHA256

      2041395b0e1e72f487d72f6c9815105e8ff97f46be68a9bfa84cc5aba681cf14

    • SHA512

      b179a1102b41f9691764475c5daaadf75ee17987de20fdeac47948ad34fe35df6b0e288520d15fd15de36ffbd54153bf685744f7968e169e4738a27d623e8898

    • SSDEEP

      6144:upOXw9815Pc8dZMGXF5ahdt3rM8d7TtLe:QwwcPBXFWtJ96

    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