Overview

overview

10

Static

static

3

8cfc6d9e42...cN.exe

windows7-x64

10

8cfc6d9e42...cN.exe

windows10-2004-x64

10

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General

  • Target

    8cfc6d9e42dcf167551fa3481d147b9f74079736d0c84da0e953c5e0c268955cN

  • Size

    128KB

  • Sample

    240919-ewy8ra1brq

  • MD5

    fb1eb62bd35fdc3b71023d40c22c3530

  • SHA1

    2974f90410592ad16523071c33952c1e515423a2

  • SHA256

    8cfc6d9e42dcf167551fa3481d147b9f74079736d0c84da0e953c5e0c268955c

  • SHA512

    6a3120cf18ee62e34d28860aed77fb117113f70a580e00414dd77ec4a1d4f41d317ad006d798703ef90b1f333f7899b48ec3fc832ae165baf557835d17a537c8

  • SSDEEP

    3072:jNppTypQJk1RugI7XeJ4WkWs6FEYtdZCwGtLItkiXOBSLhoMrdGB8rVl:jNppy53I7O2DX4EYtCwGtMtkiXOoloMB

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

      8cfc6d9e42dcf167551fa3481d147b9f74079736d0c84da0e953c5e0c268955cN

    • Size

      128KB

    • MD5

      fb1eb62bd35fdc3b71023d40c22c3530

    • SHA1

      2974f90410592ad16523071c33952c1e515423a2

    • SHA256

      8cfc6d9e42dcf167551fa3481d147b9f74079736d0c84da0e953c5e0c268955c

    • SHA512

      6a3120cf18ee62e34d28860aed77fb117113f70a580e00414dd77ec4a1d4f41d317ad006d798703ef90b1f333f7899b48ec3fc832ae165baf557835d17a537c8

    • SSDEEP

      3072:jNppTypQJk1RugI7XeJ4WkWs6FEYtdZCwGtLItkiXOBSLhoMrdGB8rVl:jNppy53I7O2DX4EYtCwGtMtkiXOoloMB

    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