Overview

overview

10

Static

static

3

c0874e26b9...7b.exe

windows7-x64

10

c0874e26b9...7b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c0874e26b9d6d72ee42fb60666fd0f6c73619ef98b0552ba51b9d7351e1d9a7b

  • Size

    94KB

  • Sample

    241121-ja1xnszlft

  • MD5

    e1e03d8fdaf71ca5801d815eef214e6b

  • SHA1

    6143564449617f1e08667fb7d51d1bed027393d2

  • SHA256

    c0874e26b9d6d72ee42fb60666fd0f6c73619ef98b0552ba51b9d7351e1d9a7b

  • SHA512

    f83496c687e2ad3b22b0020f003545a19152facafe4af4116a71e3f7b6db8e339072164288cd8255a30b61733a51e44ca0ac84367c0072454f8653b5f35f145d

  • SSDEEP

    1536:hX8uxoHXDX9ObtCKZuStYoqtv4l4zxjccccccccccccccccccccccccccccccccq:t87j9ObtCxtvq4ffx9EAeDr5wkpv

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

      c0874e26b9d6d72ee42fb60666fd0f6c73619ef98b0552ba51b9d7351e1d9a7b

    • Size

      94KB

    • MD5

      e1e03d8fdaf71ca5801d815eef214e6b

    • SHA1

      6143564449617f1e08667fb7d51d1bed027393d2

    • SHA256

      c0874e26b9d6d72ee42fb60666fd0f6c73619ef98b0552ba51b9d7351e1d9a7b

    • SHA512

      f83496c687e2ad3b22b0020f003545a19152facafe4af4116a71e3f7b6db8e339072164288cd8255a30b61733a51e44ca0ac84367c0072454f8653b5f35f145d

    • SSDEEP

      1536:hX8uxoHXDX9ObtCKZuStYoqtv4l4zxjccccccccccccccccccccccccccccccccq:t87j9ObtCxtvq4ffx9EAeDr5wkpv

    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