Overview

overview

10

Static

static

3

7f9be5083f...e2.exe

windows7-x64

10

7f9be5083f...e2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7f9be5083f3f0708dcaddb8b9737669c8819e0a84f009029eec85f6a15e56ee2

  • Size

    96KB

  • Sample

    250307-yf1w7awlv6

  • MD5

    0f3493d0e523dd5f274bf15b6659a702

  • SHA1

    54695940184c0d2ebccf5ef2e315455f9b6a0122

  • SHA256

    7f9be5083f3f0708dcaddb8b9737669c8819e0a84f009029eec85f6a15e56ee2

  • SHA512

    3f27ba2483cfbe2bdefab92d83eef380b161ae9b6552522d21fb3617411c2cb58ef9d2eb5396ed36b3816b30ce2e9820e146faf49cdce96b97e238d860b4c549

  • SSDEEP

    1536:cS7ny75v54FcB66j6zX3hJTbvgOkOlPoytM1nxb4L2RqJFFfUN1Avhw6JCMd:cSKaIA3fuRxsJFFfUrQlMW

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

      7f9be5083f3f0708dcaddb8b9737669c8819e0a84f009029eec85f6a15e56ee2

    • Size

      96KB

    • MD5

      0f3493d0e523dd5f274bf15b6659a702

    • SHA1

      54695940184c0d2ebccf5ef2e315455f9b6a0122

    • SHA256

      7f9be5083f3f0708dcaddb8b9737669c8819e0a84f009029eec85f6a15e56ee2

    • SHA512

      3f27ba2483cfbe2bdefab92d83eef380b161ae9b6552522d21fb3617411c2cb58ef9d2eb5396ed36b3816b30ce2e9820e146faf49cdce96b97e238d860b4c549

    • SSDEEP

      1536:cS7ny75v54FcB66j6zX3hJTbvgOkOlPoytM1nxb4L2RqJFFfUN1Avhw6JCMd:cSKaIA3fuRxsJFFfUrQlMW

    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