Overview

overview

10

Static

static

3

e6b436a44c...be.exe

windows7-x64

10

e6b436a44c...be.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e6b436a44c12b6b746b41403850088e4f9e4014364591f06cd4c603e51e28bbe

  • Size

    320KB

  • Sample

    240928-dnx52swfpf

  • MD5

    bcfea285a33186dda551c943d3f541dd

  • SHA1

    802c4e964b09faeb871c601b60c88674a715537e

  • SHA256

    e6b436a44c12b6b746b41403850088e4f9e4014364591f06cd4c603e51e28bbe

  • SHA512

    87b8275aaca4e0aa95162a0a71c163420187a3515bfe2b7a9fb976a20154b7446b1a707c0f931c44628e25dd1fa306b475fd6cac3375efb41b80d6f1e01b7ff6

  • SSDEEP

    3072:Y0w1wtD9ZoI2Qt88DezGYJpD9r8XxrYnQg4sIgQxzjGG1wsKmOH6ipNik0O:YsfoI2Gb8GyZ6YugQdjGG1wsKm06D4

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

      e6b436a44c12b6b746b41403850088e4f9e4014364591f06cd4c603e51e28bbe

    • Size

      320KB

    • MD5

      bcfea285a33186dda551c943d3f541dd

    • SHA1

      802c4e964b09faeb871c601b60c88674a715537e

    • SHA256

      e6b436a44c12b6b746b41403850088e4f9e4014364591f06cd4c603e51e28bbe

    • SHA512

      87b8275aaca4e0aa95162a0a71c163420187a3515bfe2b7a9fb976a20154b7446b1a707c0f931c44628e25dd1fa306b475fd6cac3375efb41b80d6f1e01b7ff6

    • SSDEEP

      3072:Y0w1wtD9ZoI2Qt88DezGYJpD9r8XxrYnQg4sIgQxzjGG1wsKmOH6ipNik0O:YsfoI2Gb8GyZ6YugQdjGG1wsKm06D4

    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