Overview

overview

10

Static

static

3

7943e28b6f...e4.exe

windows7-x64

10

7943e28b6f...e4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7943e28b6f4aa619e81a4d4c5e502f5f3316e5a8ab700d66cfd6ef8c76ca0ee4

  • Size

    128KB

  • Sample

    250307-v2kwbavks4

  • MD5

    afbb32e4e36d8c62ebe02b17dd5a8e79

  • SHA1

    fc54adfed436bed7aca8d8cd4748c515b273772a

  • SHA256

    7943e28b6f4aa619e81a4d4c5e502f5f3316e5a8ab700d66cfd6ef8c76ca0ee4

  • SHA512

    68ab482e2999530650426a35714ecc8711853bba036c6411a0e196c4fc7f2cc7cf5de88fc0150589db38b8b6533a499a02c572aedcdab96ca09d6aa535e675de

  • SSDEEP

    3072:/PO3h4Q1i/gqlqfYQX/Ubwf1nFzwSAJB8g:/qh4QJRV1n6xJmg

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

      7943e28b6f4aa619e81a4d4c5e502f5f3316e5a8ab700d66cfd6ef8c76ca0ee4

    • Size

      128KB

    • MD5

      afbb32e4e36d8c62ebe02b17dd5a8e79

    • SHA1

      fc54adfed436bed7aca8d8cd4748c515b273772a

    • SHA256

      7943e28b6f4aa619e81a4d4c5e502f5f3316e5a8ab700d66cfd6ef8c76ca0ee4

    • SHA512

      68ab482e2999530650426a35714ecc8711853bba036c6411a0e196c4fc7f2cc7cf5de88fc0150589db38b8b6533a499a02c572aedcdab96ca09d6aa535e675de

    • SSDEEP

      3072:/PO3h4Q1i/gqlqfYQX/Ubwf1nFzwSAJB8g:/qh4QJRV1n6xJmg

    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