Overview

overview

10

Static

static

3

601cb21c8e...bN.exe

windows7-x64

10

601cb21c8e...bN.exe

windows10-2004-x64

10

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General

  • Target

    601cb21c8e8ca2620e4608cff3242c1ab36fc42e73f0e86383ec9567d9aa1a7bN.exe

  • Size

    520KB

  • Sample

    241225-zypsbaxnfs

  • MD5

    c900191a905cee36ca4fce54da5be570

  • SHA1

    169946e9a107e93e2c88e449e5d5fa65fac9f7b4

  • SHA256

    601cb21c8e8ca2620e4608cff3242c1ab36fc42e73f0e86383ec9567d9aa1a7b

  • SHA512

    aa7d92f088c966f480e83174b5ce873cd5fba8a1c4d1e12dc4daf2615a204edacb33000b4ef0bfac38b598c1f725daad14817fbcadda221215b5397eee735cf4

  • SSDEEP

    6144:N2+MZ29FM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEH:NpFB24lwR45FB24lJ87g7/VycgEH

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

      601cb21c8e8ca2620e4608cff3242c1ab36fc42e73f0e86383ec9567d9aa1a7bN.exe

    • Size

      520KB

    • MD5

      c900191a905cee36ca4fce54da5be570

    • SHA1

      169946e9a107e93e2c88e449e5d5fa65fac9f7b4

    • SHA256

      601cb21c8e8ca2620e4608cff3242c1ab36fc42e73f0e86383ec9567d9aa1a7b

    • SHA512

      aa7d92f088c966f480e83174b5ce873cd5fba8a1c4d1e12dc4daf2615a204edacb33000b4ef0bfac38b598c1f725daad14817fbcadda221215b5397eee735cf4

    • SSDEEP

      6144:N2+MZ29FM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEH:NpFB24lwR45FB24lJ87g7/VycgEH

    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