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Overview

overview

10

Static

static

3

4f4b7aab92...8N.exe

windows7-x64

10

4f4b7aab92...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f4b7aab924acc1bf5b528d87e2efa0a84f9541560ba860fff325010a47a7048N.exe

  • Size

    74KB

  • Sample

    240925-m6r67avfjf

  • MD5

    669cc543e385267c6c81693802a744c0

  • SHA1

    08b84e2976a67aa1073db24395b7e88a7f298670

  • SHA256

    4f4b7aab924acc1bf5b528d87e2efa0a84f9541560ba860fff325010a47a7048

  • SHA512

    1ab6a3a728b9d71774cd67349bf97fee4baadd741d85b956358cb67de554f85bbfbe2f17c8a46e435639c37eef450c9ba8abf574458b40c31e58ae78ccd28fa2

  • SSDEEP

    1536:9J5soYyaOUIXj561owaPrRzOACFeVPX5CfiXMvRab+7N9lBiD:9J5soHalu6OxrRzOACFCPX5CfsMvMb+U

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

      4f4b7aab924acc1bf5b528d87e2efa0a84f9541560ba860fff325010a47a7048N.exe

    • Size

      74KB

    • MD5

      669cc543e385267c6c81693802a744c0

    • SHA1

      08b84e2976a67aa1073db24395b7e88a7f298670

    • SHA256

      4f4b7aab924acc1bf5b528d87e2efa0a84f9541560ba860fff325010a47a7048

    • SHA512

      1ab6a3a728b9d71774cd67349bf97fee4baadd741d85b956358cb67de554f85bbfbe2f17c8a46e435639c37eef450c9ba8abf574458b40c31e58ae78ccd28fa2

    • SSDEEP

      1536:9J5soYyaOUIXj561owaPrRzOACFeVPX5CfiXMvRab+7N9lBiD:9J5soHalu6OxrRzOACFCPX5CfsMvMb+U

    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