Overview

overview

10

Static

static

3

44a2f56ad9...cN.exe

windows7-x64

10

44a2f56ad9...cN.exe

windows10-2004-x64

10

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General

  • Target

    44a2f56ad940d2ffa5a3d6066aa4f92f9b694e37d518c673cad1efe462efd24cN

  • Size

    400KB

  • Sample

    241004-bw23vsxbql

  • MD5

    e4bbbc63e08b1944cbb187d6c1afe100

  • SHA1

    c51e61259b8ea709046097f19f2e134bba89846e

  • SHA256

    44a2f56ad940d2ffa5a3d6066aa4f92f9b694e37d518c673cad1efe462efd24c

  • SHA512

    1dcc6cc1c26b73df625b9b6662d88f602c4fba7ced92ad8600e3b87840165681723edaff2a04f1bb22729dc5d84436828b314b54fef069273c8562c4173a7d1a

  • SSDEEP

    6144:bZXg69ZBIoqQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwHlGrh/tObQOk:+8ZKF/+zrWAI5KFum/+zrWAIAqWim/k

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

      44a2f56ad940d2ffa5a3d6066aa4f92f9b694e37d518c673cad1efe462efd24cN

    • Size

      400KB

    • MD5

      e4bbbc63e08b1944cbb187d6c1afe100

    • SHA1

      c51e61259b8ea709046097f19f2e134bba89846e

    • SHA256

      44a2f56ad940d2ffa5a3d6066aa4f92f9b694e37d518c673cad1efe462efd24c

    • SHA512

      1dcc6cc1c26b73df625b9b6662d88f602c4fba7ced92ad8600e3b87840165681723edaff2a04f1bb22729dc5d84436828b314b54fef069273c8562c4173a7d1a

    • SSDEEP

      6144:bZXg69ZBIoqQO+zrWnAdqjeOpKfduBX2QO+zrWnAdqjsqwHlGrh/tObQOk:+8ZKF/+zrWAI5KFum/+zrWAIAqWim/k

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks