Overview

overview

10

Static

static

3

8bc1d89425...8N.exe

windows7-x64

10

8bc1d89425...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768N

  • Size

    72KB

  • Sample

    241102-g85meazhnn

  • MD5

    6eb7efd65dc0d470e5c2f7a375e1e440

  • SHA1

    0b0fdf3c5df14b60bb1c84849f6c2ee98c89a87c

  • SHA256

    8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768

  • SHA512

    9ab953cb49c19e615b1b2732cb4d7774cc1447b51a57b45f4d08d8e33a4e173381a364cf64ee24052380c19b82c09a4a3be60880139c219d12d922dca73418c4

  • SSDEEP

    1536:gtUxChBVWd61TuAh5jtZVEX15tUsoi2DUaO:gtUAhfWdQZh9tZVEX15teiGpO

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

      8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768N

    • Size

      72KB

    • MD5

      6eb7efd65dc0d470e5c2f7a375e1e440

    • SHA1

      0b0fdf3c5df14b60bb1c84849f6c2ee98c89a87c

    • SHA256

      8bc1d89425bc20bba752abfa875162a03ace5f5fa34eacb70f483a3421fc7768

    • SHA512

      9ab953cb49c19e615b1b2732cb4d7774cc1447b51a57b45f4d08d8e33a4e173381a364cf64ee24052380c19b82c09a4a3be60880139c219d12d922dca73418c4

    • SSDEEP

      1536:gtUxChBVWd61TuAh5jtZVEX15tUsoi2DUaO:gtUAhfWdQZh9tZVEX15teiGpO

    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