Overview

overview

10

Static

static

10

58966d67b9...cN.exe

windows7-x64

10

58966d67b9...cN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    58966d67b95ed518bfbfeb8b30ac7b89c2dfee39e6bf513809543f0fe1e2c94cN.exe

  • Size

    276KB

  • Sample

    241123-hvhfds1jbt

  • MD5

    c017c9525619b947e45e12f245b23290

  • SHA1

    2502c0dade7f74f2d9a18dcdafbf1366613b6fdb

  • SHA256

    58966d67b95ed518bfbfeb8b30ac7b89c2dfee39e6bf513809543f0fe1e2c94c

  • SHA512

    13561662b731f7e5162fac55245dbf641cd44be6da1c0546e50cd5929740b62bed77d91ea73e1a56e5e6a376fa3912ea9b7e3ef57a5db81df30b3f70c07e2b50

  • SSDEEP

    6144:/YK78LydiKBb8La4dZMGXF5ahdt3rM8d7TtLa:zGyd9GLzXFWtJ9O

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

      58966d67b95ed518bfbfeb8b30ac7b89c2dfee39e6bf513809543f0fe1e2c94cN.exe

    • Size

      276KB

    • MD5

      c017c9525619b947e45e12f245b23290

    • SHA1

      2502c0dade7f74f2d9a18dcdafbf1366613b6fdb

    • SHA256

      58966d67b95ed518bfbfeb8b30ac7b89c2dfee39e6bf513809543f0fe1e2c94c

    • SHA512

      13561662b731f7e5162fac55245dbf641cd44be6da1c0546e50cd5929740b62bed77d91ea73e1a56e5e6a376fa3912ea9b7e3ef57a5db81df30b3f70c07e2b50

    • SSDEEP

      6144:/YK78LydiKBb8La4dZMGXF5ahdt3rM8d7TtLa:zGyd9GLzXFWtJ9O

    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