Overview

overview

10

Static

static

3

4c4b810987...8N.exe

windows7-x64

10

4c4b810987...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c4b81098749f90386cf542d90e8b937cc4ad9e19c77ebbad1b0f82911130168N

  • Size

    96KB

  • Sample

    240930-khy9gszeqb

  • MD5

    a4aaec6cc7f9e008ca573be969363be0

  • SHA1

    467cd5b45cc8b5456b54a43ea7806b17980d496a

  • SHA256

    4c4b81098749f90386cf542d90e8b937cc4ad9e19c77ebbad1b0f82911130168

  • SHA512

    4ff31771474b5e7e275e290d821d1fd9ecc7214b41633700b71fd1e623fb3a6efe57a140c17f351d492f81be8d16e929d7f9334fea7b2d9875bdd6c3bcbd3904

  • SSDEEP

    1536:6gMTtxBXdpxCP+DCMNf7ZdPPfQHeD0hqNmNFlSdXuduV9jojTIvjrH:+xpRCGFNfvXwhqNqFkdXud69jc0vf

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

      4c4b81098749f90386cf542d90e8b937cc4ad9e19c77ebbad1b0f82911130168N

    • Size

      96KB

    • MD5

      a4aaec6cc7f9e008ca573be969363be0

    • SHA1

      467cd5b45cc8b5456b54a43ea7806b17980d496a

    • SHA256

      4c4b81098749f90386cf542d90e8b937cc4ad9e19c77ebbad1b0f82911130168

    • SHA512

      4ff31771474b5e7e275e290d821d1fd9ecc7214b41633700b71fd1e623fb3a6efe57a140c17f351d492f81be8d16e929d7f9334fea7b2d9875bdd6c3bcbd3904

    • SSDEEP

      1536:6gMTtxBXdpxCP+DCMNf7ZdPPfQHeD0hqNmNFlSdXuduV9jojTIvjrH:+xpRCGFNfvXwhqNqFkdXud69jc0vf

    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