Overview

overview

10

Static

static

10

8b10d64340...ce.exe

windows7-x64

10

8b10d64340...ce.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8b10d64340c868eefd0776353703648e19a74a529dac85e983a35e8c0d8f50ce

  • Size

    276KB

  • Sample

    241208-a5b3csyleq

  • MD5

    a9e3d3c9867fa214a43a321cfee1736d

  • SHA1

    1aac6629c3868cc0de9e04bce2f5c43da68795c5

  • SHA256

    8b10d64340c868eefd0776353703648e19a74a529dac85e983a35e8c0d8f50ce

  • SHA512

    b25c94538d73490bac22079537b8fb76e820ed6ede456b9c7411dc143503ae673f5c36ea95dbb7dfb5b9e8c47b5603c2d9bf52e9a87f96167a940ad324bc5442

  • SSDEEP

    6144:fssIZp3FfwNsqMVdZMGXF5ahdt3rM8d7TtLe:fssmMN2XFWtJ96

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

      8b10d64340c868eefd0776353703648e19a74a529dac85e983a35e8c0d8f50ce

    • Size

      276KB

    • MD5

      a9e3d3c9867fa214a43a321cfee1736d

    • SHA1

      1aac6629c3868cc0de9e04bce2f5c43da68795c5

    • SHA256

      8b10d64340c868eefd0776353703648e19a74a529dac85e983a35e8c0d8f50ce

    • SHA512

      b25c94538d73490bac22079537b8fb76e820ed6ede456b9c7411dc143503ae673f5c36ea95dbb7dfb5b9e8c47b5603c2d9bf52e9a87f96167a940ad324bc5442

    • SSDEEP

      6144:fssIZp3FfwNsqMVdZMGXF5ahdt3rM8d7TtLe:fssmMN2XFWtJ96

    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