Overview

overview

10

Static

static

3

61ef3d31e8...42.exe

windows7-x64

10

61ef3d31e8...42.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    61ef3d31e87f6333bcacf4a8c253caf1ddba836477b1fe5c1896a764f1f96242

  • Size

    72KB

  • Sample

    241208-3cf5tswjhv

  • MD5

    b4e7b8314c2fb95debb488a0f7f9bd61

  • SHA1

    8a1b410b48652034b405280c40ff9713762dce97

  • SHA256

    61ef3d31e87f6333bcacf4a8c253caf1ddba836477b1fe5c1896a764f1f96242

  • SHA512

    0c77b1f0537a1eeda55edeac2bdb7610d5ffe070ed25c78565a3e984bdaa46725a6643638879498a1b62ff0cc738baf2dcff05ef057d9fbfa3496efbb760aeff

  • SSDEEP

    1536:bSlOmW7JjX7t6pJ/ckbqogZ0gOe1XYs7Tfv0w:bV5HkpJ/LJgke1XYQTE

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

      61ef3d31e87f6333bcacf4a8c253caf1ddba836477b1fe5c1896a764f1f96242

    • Size

      72KB

    • MD5

      b4e7b8314c2fb95debb488a0f7f9bd61

    • SHA1

      8a1b410b48652034b405280c40ff9713762dce97

    • SHA256

      61ef3d31e87f6333bcacf4a8c253caf1ddba836477b1fe5c1896a764f1f96242

    • SHA512

      0c77b1f0537a1eeda55edeac2bdb7610d5ffe070ed25c78565a3e984bdaa46725a6643638879498a1b62ff0cc738baf2dcff05ef057d9fbfa3496efbb760aeff

    • SSDEEP

      1536:bSlOmW7JjX7t6pJ/ckbqogZ0gOe1XYs7Tfv0w:bV5HkpJ/LJgke1XYQTE

    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