Overview

overview

10

Static

static

3

661044aa3a...9N.exe

windows7-x64

10

661044aa3a...9N.exe

windows10-2004-x64

10

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General

  • Target

    661044aa3a88a98b907f0cbb8c2ec1d85174a8af6b03c63be616dfb4fec5d569N.exe

  • Size

    74KB

  • Sample

    241208-dtzwtsvmeq

  • MD5

    fde95c27c676016004a917a48bc508d0

  • SHA1

    8758dfb5b201ee12baf603ec71658279dc7b874a

  • SHA256

    661044aa3a88a98b907f0cbb8c2ec1d85174a8af6b03c63be616dfb4fec5d569

  • SHA512

    e2f4d61e39e420db0c1549b3811b3a001089aab13e2ab6ecea4ebdd217a7aa0a0f22f7837f760befdf274bf3f6d737da31ead2132607523299a7df183d0c1ce5

  • SSDEEP

    1536:Vw8yyX3jB2PiJN++Q0WYV6S1IqGUZvQA18/pS7GTZ8XC:VM0t4iJN++/F1Iqj3j7QZ8y

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

      661044aa3a88a98b907f0cbb8c2ec1d85174a8af6b03c63be616dfb4fec5d569N.exe

    • Size

      74KB

    • MD5

      fde95c27c676016004a917a48bc508d0

    • SHA1

      8758dfb5b201ee12baf603ec71658279dc7b874a

    • SHA256

      661044aa3a88a98b907f0cbb8c2ec1d85174a8af6b03c63be616dfb4fec5d569

    • SHA512

      e2f4d61e39e420db0c1549b3811b3a001089aab13e2ab6ecea4ebdd217a7aa0a0f22f7837f760befdf274bf3f6d737da31ead2132607523299a7df183d0c1ce5

    • SSDEEP

      1536:Vw8yyX3jB2PiJN++Q0WYV6S1IqGUZvQA18/pS7GTZ8XC:VM0t4iJN++/F1Iqj3j7QZ8y

    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