Overview

overview

10

Static

static

3

ef1ecf892a...fN.exe

windows7-x64

10

ef1ecf892a...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    ef1ecf892aa435c0a0c800da88fd59d5396200446d4e684f9bf638b789d1895fN.exe
  • Size 79KB
  • Sample241113-v232wswejf
  • SHA256 ef1ecf892aa435c0a0c800da88fd59d5396200446d4e684f9bf638b789d1895f
  • 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
      ef1ecf892aa435c0a0c800da88fd59d5396200446d4e684f9bf638b789d1895fN.exe
    • Size 79KB
    • SHA256 ef1ecf892aa435c0a0c800da88fd59d5396200446d4e684f9bf638b789d1895f
    • 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