Overview

overview

10

Static

static

3

b982b8b3fc...9e.exe

windows7-x64

10

b982b8b3fc...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b982b8b3fc03cdf19890542a1a9eec47a6affb56e7cfa4723e82da7b3f3d899e.exe

  • Size

    74KB

  • Sample

    241222-rjttqa1jfz

  • MD5

    48678179631e6138b7aababfce32e471

  • SHA1

    3d71ccc5cfbef44ffc4d739fb513c799491a85d8

  • SHA256

    b982b8b3fc03cdf19890542a1a9eec47a6affb56e7cfa4723e82da7b3f3d899e

  • SHA512

    252f8a5201416b23a61c0c86bd889c5800f1bba1c81dadd472ee50b37980947ba220d35ca2d44534adfbfed9aa5c67af9b261a577d45b02ad96c1a51a3a613fd

  • SSDEEP

    1536:SDvt4TUCI0QTMQeGy3HumNat6k1quBDfmZhb3yOZkDGivD:Ith2azexHum8t6EMzwGivD

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

      b982b8b3fc03cdf19890542a1a9eec47a6affb56e7cfa4723e82da7b3f3d899e.exe

    • Size

      74KB

    • MD5

      48678179631e6138b7aababfce32e471

    • SHA1

      3d71ccc5cfbef44ffc4d739fb513c799491a85d8

    • SHA256

      b982b8b3fc03cdf19890542a1a9eec47a6affb56e7cfa4723e82da7b3f3d899e

    • SHA512

      252f8a5201416b23a61c0c86bd889c5800f1bba1c81dadd472ee50b37980947ba220d35ca2d44534adfbfed9aa5c67af9b261a577d45b02ad96c1a51a3a613fd

    • SSDEEP

      1536:SDvt4TUCI0QTMQeGy3HumNat6k1quBDfmZhb3yOZkDGivD:Ith2azexHum8t6EMzwGivD

    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