Overview

overview

10

Static

static

3

1b23b977ee...8b.exe

windows7-x64

10

1b23b977ee...8b.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    1b23b977eee62aaafba653960c9ac7ca47bc2aed26345ebdec207f89cc562c8b

  • Size

    96KB

  • Sample

    241224-yvle2swlb1

  • MD5

    d0499bb71c49c103872642661a649594

  • SHA1

    b7291adaeb385110245e436d1d934e1c5bf6b14a

  • SHA256

    1b23b977eee62aaafba653960c9ac7ca47bc2aed26345ebdec207f89cc562c8b

  • SHA512

    f917ed395d799c54642f35f62004c0160796a312ece3a3991347cb34968380fa4d2b6e88c9cadee336e63cd60fa6afa90d535d3fa6e29c29d16a860d31a0785b

  • SSDEEP

    1536:Ejg7BzoRMKyBBfdiiNpAlvDeq/7nTmEBUo0hfNM+HduV9jojTIvjrv:1yREBBcQMviqD6ESoWK+Hd69jc0vH

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

      1b23b977eee62aaafba653960c9ac7ca47bc2aed26345ebdec207f89cc562c8b

    • Size

      96KB

    • MD5

      d0499bb71c49c103872642661a649594

    • SHA1

      b7291adaeb385110245e436d1d934e1c5bf6b14a

    • SHA256

      1b23b977eee62aaafba653960c9ac7ca47bc2aed26345ebdec207f89cc562c8b

    • SHA512

      f917ed395d799c54642f35f62004c0160796a312ece3a3991347cb34968380fa4d2b6e88c9cadee336e63cd60fa6afa90d535d3fa6e29c29d16a860d31a0785b

    • SSDEEP

      1536:Ejg7BzoRMKyBBfdiiNpAlvDeq/7nTmEBUo0hfNM+HduV9jojTIvjrv:1yREBBcQMviqD6ESoWK+Hd69jc0vH

    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