Overview

overview

10

Static

static

3

8f49b7ef6b...bN.exe

windows7-x64

10

8f49b7ef6b...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    8f49b7ef6b8ba336b5e319c136e3f9db6af9530b5da1adf15af7a8c2ff28ecebN
  • Size 520KB
  • Sample241109-yk84cs1cmp
  • SHA256 8f49b7ef6b8ba336b5e319c136e3f9db6af9530b5da1adf15af7a8c2ff28eceb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

  • berbew

C2

  • http://viruslist.com/wcmd.txt

  • http://viruslist.com/ppslog.php

  • http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target
      8f49b7ef6b8ba336b5e319c136e3f9db6af9530b5da1adf15af7a8c2ff28ecebN
    • Size 520KB
    • SHA256 8f49b7ef6b8ba336b5e319c136e3f9db6af9530b5da1adf15af7a8c2ff28eceb
    • MD5 SHA1 SHA512 SSDEEP
    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