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Overview

overview

10

Static

static

3

e4dd23d5fb...59.exe

windows7-x64

10

e4dd23d5fb...59.exe

windows10-2004-x64

10

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General

  • Target

    e4dd23d5fb01ed3d1609ef1e1c170e8f335fee9aa8bf6eaf4a19261002d14259

  • Size

    73KB

  • Sample

    250305-nyefssxqx7

  • MD5

    739b32a96c31e2dedf21d342e1f2d7ac

  • SHA1

    aee4cbbfc70e7724593ea24453afcae2b3b2cd9e

  • SHA256

    e4dd23d5fb01ed3d1609ef1e1c170e8f335fee9aa8bf6eaf4a19261002d14259

  • SHA512

    eaf020629d4a218ccbf460c0fd6042b5ffa98fa95bd4ab2ae5ca7719e6fa2b9995173c24ef6f1f958d1da2b809556bac157101d3c2ad2a3674ac8822ad6a3e93

  • SSDEEP

    1536:ul9V9d3jlkFp2KSjJKFsqyloNw/uzi9ptE5oimlqQ:gdJUp2tIylos9nE50H

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

      e4dd23d5fb01ed3d1609ef1e1c170e8f335fee9aa8bf6eaf4a19261002d14259

    • Size

      73KB

    • MD5

      739b32a96c31e2dedf21d342e1f2d7ac

    • SHA1

      aee4cbbfc70e7724593ea24453afcae2b3b2cd9e

    • SHA256

      e4dd23d5fb01ed3d1609ef1e1c170e8f335fee9aa8bf6eaf4a19261002d14259

    • SHA512

      eaf020629d4a218ccbf460c0fd6042b5ffa98fa95bd4ab2ae5ca7719e6fa2b9995173c24ef6f1f958d1da2b809556bac157101d3c2ad2a3674ac8822ad6a3e93

    • SSDEEP

      1536:ul9V9d3jlkFp2KSjJKFsqyloNw/uzi9ptE5oimlqQ:gdJUp2tIylos9nE50H

    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