Overview

overview

10

Static

static

3

2735f2c575...f7.exe

windows7-x64

10

2735f2c575...f7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2735f2c57562a01366d76c8a9dbf9e872632d8965304b31e88c67af5ccdecff7.exe

  • Size

    74KB

  • Sample

    241120-gjlg8sslev

  • MD5

    ee1f5a5798975f02e36824e2defa2606

  • SHA1

    34815a3ada4af21c3ddc6c46c4ea23bbe7d6c060

  • SHA256

    2735f2c57562a01366d76c8a9dbf9e872632d8965304b31e88c67af5ccdecff7

  • SHA512

    3f408959452f2bf91f6546c3d888e099bfe0fbd81fac483682041179310941fdaf1b1638129f3997ff5200c850ef58b5a267a76eb593202ebaf0958158e507fe

  • SSDEEP

    1536:Mjc5kdIS4OMH5LuU6bJ0t6QqjeDof0pjX9OevE9T:sIS4x0rl0k/jV2jNOevE9T

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

      2735f2c57562a01366d76c8a9dbf9e872632d8965304b31e88c67af5ccdecff7.exe

    • Size

      74KB

    • MD5

      ee1f5a5798975f02e36824e2defa2606

    • SHA1

      34815a3ada4af21c3ddc6c46c4ea23bbe7d6c060

    • SHA256

      2735f2c57562a01366d76c8a9dbf9e872632d8965304b31e88c67af5ccdecff7

    • SHA512

      3f408959452f2bf91f6546c3d888e099bfe0fbd81fac483682041179310941fdaf1b1638129f3997ff5200c850ef58b5a267a76eb593202ebaf0958158e507fe

    • SSDEEP

      1536:Mjc5kdIS4OMH5LuU6bJ0t6QqjeDof0pjX9OevE9T:sIS4x0rl0k/jV2jNOevE9T

    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