Overview

overview

10

Static

static

10

6a8d2aa3f2...f5.exe

windows7-x64

10

6a8d2aa3f2...f5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6a8d2aa3f2c07bb46e1739b026d5bbd98ea167ce9c30755f37454ae2780dd1f5

  • Size

    464KB

  • Sample

    250306-elyjgaxwbx

  • MD5

    62c446cdcb90ea807fe506bfc7759edd

  • SHA1

    fe901382767fdcd0d4f3108fda4556d78500e599

  • SHA256

    6a8d2aa3f2c07bb46e1739b026d5bbd98ea167ce9c30755f37454ae2780dd1f5

  • SHA512

    a98f815a6d6047357e2ac786cc1c73416688cc0577aff3f381b3a7208504d3578463c9c0272729e350d4a66e8cab824642f331ed4eb92abea74a189ad11d013b

  • SSDEEP

    12288:lEigftPh2kkkkK4kXkkkkkkkkl888888888888888888nI:lBglPh2kkkkK4kXkkkkkkkki

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

      6a8d2aa3f2c07bb46e1739b026d5bbd98ea167ce9c30755f37454ae2780dd1f5

    • Size

      464KB

    • MD5

      62c446cdcb90ea807fe506bfc7759edd

    • SHA1

      fe901382767fdcd0d4f3108fda4556d78500e599

    • SHA256

      6a8d2aa3f2c07bb46e1739b026d5bbd98ea167ce9c30755f37454ae2780dd1f5

    • SHA512

      a98f815a6d6047357e2ac786cc1c73416688cc0577aff3f381b3a7208504d3578463c9c0272729e350d4a66e8cab824642f331ed4eb92abea74a189ad11d013b

    • SSDEEP

      12288:lEigftPh2kkkkK4kXkkkkkkkkl888888888888888888nI:lBglPh2kkkkK4kXkkkkkkkki

    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