Overview

overview

10

Static

static

3

11c44276e2...a8.exe

windows7-x64

10

11c44276e2...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    11c44276e21b3776fa3a4f551f20958ff1d60c5b0815e0eecc52ab4f14acf7a8

  • Size

    576KB

  • Sample

    250306-zmxc1sxpy8

  • MD5

    4c1285be40880bdce6aa9d46cd1bfae5

  • SHA1

    f9785c10c32868e298731dcba3885968fc3ec234

  • SHA256

    11c44276e21b3776fa3a4f551f20958ff1d60c5b0815e0eecc52ab4f14acf7a8

  • SHA512

    4df9d7f928ffc72910ba9ba4544bb7366429b0a5d53adef1d78e61dee0e2e07de5700a6bb4e2cf8e66a853e7c1b6caf3468006e13239e590dd6753a1093c49eb

  • SSDEEP

    12288:UqKYV4GyXu1jGG1wsGeBgRTGAzciETdqvZNemWrsiLk6mqgSgRDu:NK+4GyXsGG1wsLUT3IipXa

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

      11c44276e21b3776fa3a4f551f20958ff1d60c5b0815e0eecc52ab4f14acf7a8

    • Size

      576KB

    • MD5

      4c1285be40880bdce6aa9d46cd1bfae5

    • SHA1

      f9785c10c32868e298731dcba3885968fc3ec234

    • SHA256

      11c44276e21b3776fa3a4f551f20958ff1d60c5b0815e0eecc52ab4f14acf7a8

    • SHA512

      4df9d7f928ffc72910ba9ba4544bb7366429b0a5d53adef1d78e61dee0e2e07de5700a6bb4e2cf8e66a853e7c1b6caf3468006e13239e590dd6753a1093c49eb

    • SSDEEP

      12288:UqKYV4GyXu1jGG1wsGeBgRTGAzciETdqvZNemWrsiLk6mqgSgRDu:NK+4GyXsGG1wsLUT3IipXa

    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