Overview

overview

10

Static

static

voidcrypt.exe

windows7_x64

10

voidcrypt.exe

windows10_x64

10

Sharing

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General

  • Target

    voidcrypt.exe

  • Size

    997KB

  • Sample

    200912-82gmjqsh36

  • MD5

    ba454585b9f42c7254c931c192556e08

  • SHA1

    0b530303634283a43d53abd9190106869f57ba5a

  • SHA256

    26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa

  • SHA512

    2cb918eab6776c7cfea031cbb48cc4e33e068489a37f39ba1e246f32fef7a35c3511293b399c81b5b8056bca50d725554866584460f04efe0d65c1d1c625bc4b

Score
10/10
ouroborosevasionpersistenceransomwarespyware

Malware Config

Targets

    • Target

      voidcrypt.exe

    • Size

      997KB

    • MD5

      ba454585b9f42c7254c931c192556e08

    • SHA1

      0b530303634283a43d53abd9190106869f57ba5a

    • SHA256

      26690dae115f47a1e0167750209a30cc68f51c5090e3b908105c93967e5156fa

    • SHA512

      2cb918eab6776c7cfea031cbb48cc4e33e068489a37f39ba1e246f32fef7a35c3511293b399c81b5b8056bca50d725554866584460f04efe0d65c1d1c625bc4b

    Score
    10/10
    evasionpersistencespywareransomwareouroboros

    • Ouroboros/Zeropadypt

      Ransomware family based on open-source CryptoWire.

      ransomwareouroboros

    • Modifies Windows Firewall

      evasion

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Drops desktop.ini file(s)

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Modifies service

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks