Overview

overview

10

Static

static

3

81ae31b8e9...02.exe

windows7-x64

10

81ae31b8e9...02.exe

windows10-2004-x64

10

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General

  • Target

    81ae31b8e999b06adbe912cd8ad65bce6ea89ef55a1c222fdbb5283a2a71f702.exe

  • Size

    136KB

  • Sample

    241225-t75bgaynas

  • MD5

    dd01ea546c381442ced923941531e8b4

  • SHA1

    50b897469f8fca578a5759ff7124e5532e80f12a

  • SHA256

    81ae31b8e999b06adbe912cd8ad65bce6ea89ef55a1c222fdbb5283a2a71f702

  • SHA512

    be30a72a1baa5c14461c9875b0641aa67db4a9ce774b8b2bc883990ba5ffb86f928fc053a533a5dbda8491d8609a19bd33e1acc8e18219c89b5d7e0abb783605

  • SSDEEP

    3072:7Sdzi0rQQsbMqp3L6GlzdH13+EE+RaZ6r+GDZnBcE:7Sdzi00QsAs3Lzlzd5IF6rfBBcE

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

      81ae31b8e999b06adbe912cd8ad65bce6ea89ef55a1c222fdbb5283a2a71f702.exe

    • Size

      136KB

    • MD5

      dd01ea546c381442ced923941531e8b4

    • SHA1

      50b897469f8fca578a5759ff7124e5532e80f12a

    • SHA256

      81ae31b8e999b06adbe912cd8ad65bce6ea89ef55a1c222fdbb5283a2a71f702

    • SHA512

      be30a72a1baa5c14461c9875b0641aa67db4a9ce774b8b2bc883990ba5ffb86f928fc053a533a5dbda8491d8609a19bd33e1acc8e18219c89b5d7e0abb783605

    • SSDEEP

      3072:7Sdzi0rQQsbMqp3L6GlzdH13+EE+RaZ6r+GDZnBcE:7Sdzi00QsAs3Lzlzd5IF6rfBBcE

    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