Overview

overview

10

Static

static

3

9bde0c4a33...6N.exe

windows7-x64

10

9bde0c4a33...6N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9bde0c4a3308ff3c28190bbb3845d8a46d309a13e91b9e08a550ddee2c1bd9a6N.exe

  • Size

    72KB

  • Sample

    241120-ctv27sybkg

  • MD5

    749103e5d6f5b6877bb53b38bcb84b50

  • SHA1

    1db860635291d584aa7659918828c0d9181bc3b6

  • SHA256

    9bde0c4a3308ff3c28190bbb3845d8a46d309a13e91b9e08a550ddee2c1bd9a6

  • SHA512

    dae74882bc18ac849be2ee7e3403b4e794d7ab67114e1c87d30f31081b68c6b365052390ec51daa35396c83165850e979f9d264210b6c904398054193903d282

  • SSDEEP

    1536:BMDBnr7P0FJ1P1kb9/O3SEhvQ8B3HOo89:8nfe15ZJXZo

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

      9bde0c4a3308ff3c28190bbb3845d8a46d309a13e91b9e08a550ddee2c1bd9a6N.exe

    • Size

      72KB

    • MD5

      749103e5d6f5b6877bb53b38bcb84b50

    • SHA1

      1db860635291d584aa7659918828c0d9181bc3b6

    • SHA256

      9bde0c4a3308ff3c28190bbb3845d8a46d309a13e91b9e08a550ddee2c1bd9a6

    • SHA512

      dae74882bc18ac849be2ee7e3403b4e794d7ab67114e1c87d30f31081b68c6b365052390ec51daa35396c83165850e979f9d264210b6c904398054193903d282

    • SSDEEP

      1536:BMDBnr7P0FJ1P1kb9/O3SEhvQ8B3HOo89:8nfe15ZJXZo

    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