Overview

overview

10

Static

static

3

ef2fc21f2d...3f.exe

windows7-x64

10

ef2fc21f2d...3f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef2fc21f2d86a0402441ec2fe0d4a51820af6a2e9fa5fc58edd0a0c26b142d3f

  • Size

    96KB

  • Sample

    241210-cnb25svndj

  • MD5

    d21129c8c333eaf8360a2e0467de8d2f

  • SHA1

    1bd5cea81ac859d69f072249d4734f6528132046

  • SHA256

    ef2fc21f2d86a0402441ec2fe0d4a51820af6a2e9fa5fc58edd0a0c26b142d3f

  • SHA512

    3fa4438f9e5f42912585016ac87be442289c61ca3f8686daec646baaf70ad5b3de7797840cedc90482e1f2370519b88be4b9fc1c8c1ae5b989314463b8e36aa3

  • SSDEEP

    1536:aYf+sFMpoCVYLwZW//JmgSNaEmRQ+2R5R45WtqV9R2R462izMg3R7ih9:tfPqVYMWHJIaEme+2HrtG9MW3+3l29

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

      ef2fc21f2d86a0402441ec2fe0d4a51820af6a2e9fa5fc58edd0a0c26b142d3f

    • Size

      96KB

    • MD5

      d21129c8c333eaf8360a2e0467de8d2f

    • SHA1

      1bd5cea81ac859d69f072249d4734f6528132046

    • SHA256

      ef2fc21f2d86a0402441ec2fe0d4a51820af6a2e9fa5fc58edd0a0c26b142d3f

    • SHA512

      3fa4438f9e5f42912585016ac87be442289c61ca3f8686daec646baaf70ad5b3de7797840cedc90482e1f2370519b88be4b9fc1c8c1ae5b989314463b8e36aa3

    • SSDEEP

      1536:aYf+sFMpoCVYLwZW//JmgSNaEmRQ+2R5R45WtqV9R2R462izMg3R7ih9:tfPqVYMWHJIaEme+2HrtG9MW3+3l29

    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