Overview

overview

10

Static

static

10

f9cac3cd0d...58.exe

windows7-x64

10

f9cac3cd0d...58.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f9cac3cd0d3aaa9d3b0f96fd6a08774ec33ce6fe70373142d1f69bb9d42c4c58

  • Size

    448KB

  • Sample

    241209-felrrszlgt

  • MD5

    ea414e4640f05d6a84cf1dd32c2beda3

  • SHA1

    652c9630bc7f5ab9a3eb5bd7a7e92af5056d6614

  • SHA256

    f9cac3cd0d3aaa9d3b0f96fd6a08774ec33ce6fe70373142d1f69bb9d42c4c58

  • SHA512

    c35ccb2a85633768a7006258d37338fa8896a31a8a9e77feb80146021080c5a5c72b82925c9f7197df50cceecdf86073a21d1adf10f81fab0c29445fc405a7af

  • SSDEEP

    6144:ir4xUepM8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloH:ir4xve87g7/VycgE81li

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      f9cac3cd0d3aaa9d3b0f96fd6a08774ec33ce6fe70373142d1f69bb9d42c4c58

    • Size

      448KB

    • MD5

      ea414e4640f05d6a84cf1dd32c2beda3

    • SHA1

      652c9630bc7f5ab9a3eb5bd7a7e92af5056d6614

    • SHA256

      f9cac3cd0d3aaa9d3b0f96fd6a08774ec33ce6fe70373142d1f69bb9d42c4c58

    • SHA512

      c35ccb2a85633768a7006258d37338fa8896a31a8a9e77feb80146021080c5a5c72b82925c9f7197df50cceecdf86073a21d1adf10f81fab0c29445fc405a7af

    • SSDEEP

      6144:ir4xUepM8SeNpgdyuH1lZfRo0V8JcgE+ezpg1xrloH:ir4xve87g7/VycgE81li

    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