Overview

overview

10

Static

static

3

af6ff2b49e...d7.exe

windows7-x64

10

af6ff2b49e...d7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    af6ff2b49e7e3e9bfd782db6e651c5c790de533b54f0da505d21a0835bc553d7

  • Size

    448KB

  • Sample

    241123-cw2yjawkds

  • MD5

    a6a0bbdf24b49887fec8e3b326ffa089

  • SHA1

    f89fc46259dee7d52e26fd512afff6d4531d8a51

  • SHA256

    af6ff2b49e7e3e9bfd782db6e651c5c790de533b54f0da505d21a0835bc553d7

  • SHA512

    a38ab16df12d6644193826b4d1d051e060832651b4fdee30fcf69249b9935185d4963ca0189fa4c1e81a015ca77ab8c7cc8881d2fb53610963d66188bf01ed6e

  • SSDEEP

    12288:sJOsncKENSDTkY660fIaDZkY660f8jTK/h:swsnHgsaDZgQjGh

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

      af6ff2b49e7e3e9bfd782db6e651c5c790de533b54f0da505d21a0835bc553d7

    • Size

      448KB

    • MD5

      a6a0bbdf24b49887fec8e3b326ffa089

    • SHA1

      f89fc46259dee7d52e26fd512afff6d4531d8a51

    • SHA256

      af6ff2b49e7e3e9bfd782db6e651c5c790de533b54f0da505d21a0835bc553d7

    • SHA512

      a38ab16df12d6644193826b4d1d051e060832651b4fdee30fcf69249b9935185d4963ca0189fa4c1e81a015ca77ab8c7cc8881d2fb53610963d66188bf01ed6e

    • SSDEEP

      12288:sJOsncKENSDTkY660fIaDZkY660f8jTK/h:swsnHgsaDZgQjGh

    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