Overview

overview

10

Static

static

3

b7e02db55c...dN.exe

windows7-x64

10

b7e02db55c...dN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b7e02db55c3064006323db3708b96e788db82b94c391db5b78fd57f6939925edN

  • Size

    80KB

  • Sample

    241004-xkx6esvenf

  • MD5

    c0a52c30d2a76090392cdc667fe0c440

  • SHA1

    23d79f44a6c1339c09c3db4255c0d16fe11aa523

  • SHA256

    b7e02db55c3064006323db3708b96e788db82b94c391db5b78fd57f6939925ed

  • SHA512

    7fdad6f15f3411bd28dcea8245a7718afbfd47eb5b4ea82b7ba6eec357aca533dc84517222679563cca7eb9c402bdfb7e0be7aadf1077e105950eb46e97b297f

  • SSDEEP

    1536:BTYtrdooXS7859I6aH2MGl+byJ0MlRQAURJJ5R2xOSC4BG:B0TU856LH2L+eJ0qePrJ5wxO344

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b7e02db55c3064006323db3708b96e788db82b94c391db5b78fd57f6939925edN

    • Size

      80KB

    • MD5

      c0a52c30d2a76090392cdc667fe0c440

    • SHA1

      23d79f44a6c1339c09c3db4255c0d16fe11aa523

    • SHA256

      b7e02db55c3064006323db3708b96e788db82b94c391db5b78fd57f6939925ed

    • SHA512

      7fdad6f15f3411bd28dcea8245a7718afbfd47eb5b4ea82b7ba6eec357aca533dc84517222679563cca7eb9c402bdfb7e0be7aadf1077e105950eb46e97b297f

    • SSDEEP

      1536:BTYtrdooXS7859I6aH2MGl+byJ0MlRQAURJJ5R2xOSC4BG:B0TU856LH2L+eJ0qePrJ5wxO344

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks