Overview

overview

10

Static

static

3

528f221b1b...5N.exe

windows7-x64

10

528f221b1b...5N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    528f221b1b35dd788cd3561c4afaba1962ad2c33df09dfe963f32c7efac5a035N.exe

  • Size

    97KB

  • Sample

    241222-trvr4atlhj

  • MD5

    cd71bb49bb37cd5e3293390ac662c050

  • SHA1

    4cf0229ce38cbcd4bac122cf826a2c0f66e7625b

  • SHA256

    528f221b1b35dd788cd3561c4afaba1962ad2c33df09dfe963f32c7efac5a035

  • SHA512

    11d2236f044981a36d93a2e33fd22572cbb1c96018695ece58b9d4933c3f5ba030e903d5d63ec4da5fae2eed6e38831fb3c2bdeedd6f0013b9adcc3bdbca134a

  • SSDEEP

    1536:T4aFDN8WEPNUglv/DtEEfXI4XAPNGEdWDFR97v/0+cqBV/GZ+pvJXeYZ6:FJO5v/Bd44i4EdWRR9b/FWZ+pJXeK6

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

      528f221b1b35dd788cd3561c4afaba1962ad2c33df09dfe963f32c7efac5a035N.exe

    • Size

      97KB

    • MD5

      cd71bb49bb37cd5e3293390ac662c050

    • SHA1

      4cf0229ce38cbcd4bac122cf826a2c0f66e7625b

    • SHA256

      528f221b1b35dd788cd3561c4afaba1962ad2c33df09dfe963f32c7efac5a035

    • SHA512

      11d2236f044981a36d93a2e33fd22572cbb1c96018695ece58b9d4933c3f5ba030e903d5d63ec4da5fae2eed6e38831fb3c2bdeedd6f0013b9adcc3bdbca134a

    • SSDEEP

      1536:T4aFDN8WEPNUglv/DtEEfXI4XAPNGEdWDFR97v/0+cqBV/GZ+pvJXeYZ6:FJO5v/Bd44i4EdWRR9b/FWZ+pJXeK6

    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