Overview

overview

10

Static

static

3

bcf5538d3c...ef.exe

windows7-x64

10

bcf5538d3c...ef.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcf5538d3c40541dfda145a63bf3648543a01d8b0648af7173af3fcf9558e8ef

  • Size

    97KB

  • Sample

    241014-dmm9fs1elm

  • MD5

    bb20e3962227b826869d781c89f30207

  • SHA1

    baf6ba812d5e261cf1a71f53bafb91feca46ccc2

  • SHA256

    bcf5538d3c40541dfda145a63bf3648543a01d8b0648af7173af3fcf9558e8ef

  • SHA512

    572a1e0f26beee8fa34e8098c3a5bed98c9e7603b99e317878a641a65a87bb115f335ff78fd24bb97a6b9b50fc879f698b38947da0aa188af6ed2f1bc7b65b5e

  • SSDEEP

    1536:R84pK4F5GD5BEgPlWVkRw+4cKlqag65jYs5OPt8b6PXtYian09cyzJvKMSvJXeYY:R8AKKaStkRw+Bsr6P6iazUKlJXeK6

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

      bcf5538d3c40541dfda145a63bf3648543a01d8b0648af7173af3fcf9558e8ef

    • Size

      97KB

    • MD5

      bb20e3962227b826869d781c89f30207

    • SHA1

      baf6ba812d5e261cf1a71f53bafb91feca46ccc2

    • SHA256

      bcf5538d3c40541dfda145a63bf3648543a01d8b0648af7173af3fcf9558e8ef

    • SHA512

      572a1e0f26beee8fa34e8098c3a5bed98c9e7603b99e317878a641a65a87bb115f335ff78fd24bb97a6b9b50fc879f698b38947da0aa188af6ed2f1bc7b65b5e

    • SSDEEP

      1536:R84pK4F5GD5BEgPlWVkRw+4cKlqag65jYs5OPt8b6PXtYian09cyzJvKMSvJXeYY:R8AKKaStkRw+Bsr6P6iazUKlJXeK6

    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