Overview

overview

10

Static

static

3

c4b255f4b9...03.exe

windows7-x64

10

c4b255f4b9...03.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c4b255f4b9b989bb1af209ba153c9d604b445282f0be1e7b7f74a1b098b1f503

  • Size

    88KB

  • Sample

    241120-d1vkpavkfq

  • MD5

    d3a65c3f2e236f808533c73b738a1e11

  • SHA1

    42b802d5c0d84bffc5ec6ade0f2c2a0b6133fbf2

  • SHA256

    c4b255f4b9b989bb1af209ba153c9d604b445282f0be1e7b7f74a1b098b1f503

  • SHA512

    f7a8426c2da97f62e043a9d7a19272753be67685f5fdc8c9191729d88b9430ad0bcdb05bb5ac1d84f7d153cf079e5f030fec067e7b97e5c6732f0f95949939b5

  • SSDEEP

    1536:Lb19xyxyWMvjBNgroJwYlVXC+FcXb8cv6hhEKHfTnouy8L:LXoGBOroJ3C+FcXIcyhhEcroutL

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

      c4b255f4b9b989bb1af209ba153c9d604b445282f0be1e7b7f74a1b098b1f503

    • Size

      88KB

    • MD5

      d3a65c3f2e236f808533c73b738a1e11

    • SHA1

      42b802d5c0d84bffc5ec6ade0f2c2a0b6133fbf2

    • SHA256

      c4b255f4b9b989bb1af209ba153c9d604b445282f0be1e7b7f74a1b098b1f503

    • SHA512

      f7a8426c2da97f62e043a9d7a19272753be67685f5fdc8c9191729d88b9430ad0bcdb05bb5ac1d84f7d153cf079e5f030fec067e7b97e5c6732f0f95949939b5

    • SSDEEP

      1536:Lb19xyxyWMvjBNgroJwYlVXC+FcXb8cv6hhEKHfTnouy8L:LXoGBOroJ3C+FcXIcyhhEcroutL

    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