Overview

overview

10

Static

static

3

8ad3a12feb...aN.exe

windows7-x64

10

8ad3a12feb...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ad3a12feb2cf34444ad1d15b00d2b925850e2927ad5434d263d2b415b60b10aN

  • Size

    192KB

  • Sample

    241001-wrszlsxblg

  • MD5

    e1bc0437fd2755d203b6a33b86b42500

  • SHA1

    6abb2ebf5e89817d0bff5a718cc7d6460d2ed1ad

  • SHA256

    8ad3a12feb2cf34444ad1d15b00d2b925850e2927ad5434d263d2b415b60b10a

  • SHA512

    4b8e6e2593c6a806d042487521a568d3b9498df429791e91edaf71dde28e28cf7165eb9907f5fb21cbf4a2a5fa022086f45b5d5d9e5e84c34634801e2999730d

  • SSDEEP

    3072:vQk9oxhZCTFCPV6PKPDd1AZoUBW3FJeRuaWNXmgu+tAcrbFAJc+RsUi1aVDk5:vQPxHCTF+g0dWZHEFJ7aWN1rtMsP

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

      8ad3a12feb2cf34444ad1d15b00d2b925850e2927ad5434d263d2b415b60b10aN

    • Size

      192KB

    • MD5

      e1bc0437fd2755d203b6a33b86b42500

    • SHA1

      6abb2ebf5e89817d0bff5a718cc7d6460d2ed1ad

    • SHA256

      8ad3a12feb2cf34444ad1d15b00d2b925850e2927ad5434d263d2b415b60b10a

    • SHA512

      4b8e6e2593c6a806d042487521a568d3b9498df429791e91edaf71dde28e28cf7165eb9907f5fb21cbf4a2a5fa022086f45b5d5d9e5e84c34634801e2999730d

    • SSDEEP

      3072:vQk9oxhZCTFCPV6PKPDd1AZoUBW3FJeRuaWNXmgu+tAcrbFAJc+RsUi1aVDk5:vQPxHCTF+g0dWZHEFJ7aWN1rtMsP

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks