Overview

overview

10

Static

static

3

8a48f33c30...fN.exe

windows7-x64

10

8a48f33c30...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8a48f33c304ae1af5ea0ed3fe6a68a57ab9798c06ffb9d4a8cd164e6e98d560fN.exe

  • Size

    2.5MB

  • Sample

    241207-1sln5s1mdk

  • MD5

    c23539e81d725b058098b6b2d0e33b60

  • SHA1

    e4040cd088b5211b4fdfff640da386b83f214062

  • SHA256

    8a48f33c304ae1af5ea0ed3fe6a68a57ab9798c06ffb9d4a8cd164e6e98d560f

  • SHA512

    d4d0d5da8824e83bfff94f74e43a71a99cdae6fba7274685d76b2baf54b6e7315b0584d34b51618f74bc8fdb01dc62f720cfcc97baf2c1d4ef32f1411905f802

  • SSDEEP

    12288:gpcTAkY660JVaw0HBHOehl0oDL/eToo5Li2:k6AgdVaw0HBFhWof/0o8

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

      8a48f33c304ae1af5ea0ed3fe6a68a57ab9798c06ffb9d4a8cd164e6e98d560fN.exe

    • Size

      2.5MB

    • MD5

      c23539e81d725b058098b6b2d0e33b60

    • SHA1

      e4040cd088b5211b4fdfff640da386b83f214062

    • SHA256

      8a48f33c304ae1af5ea0ed3fe6a68a57ab9798c06ffb9d4a8cd164e6e98d560f

    • SHA512

      d4d0d5da8824e83bfff94f74e43a71a99cdae6fba7274685d76b2baf54b6e7315b0584d34b51618f74bc8fdb01dc62f720cfcc97baf2c1d4ef32f1411905f802

    • SSDEEP

      12288:gpcTAkY660JVaw0HBHOehl0oDL/eToo5Li2:k6AgdVaw0HBFhWof/0o8

    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