Analysis

  • max time kernel
    111s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 17:28

General

  • Target
    766642fe23a587547a840a63e91131308aa94a98a52bc345d4d7536e62b1ed47N.exe
  • Size 822KB
  • Sample241005-v2hqysseqg
  • SHA256 766642fe23a587547a840a63e91131308aa94a98a52bc345d4d7536e62b1ed47
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detects Renamer worm. 4 IoCs

    Renamer aka Grename is worm written in Delphi.

  • Renamer, Grenam

    Renamer aka Grenam is a worm written in Delphi.

  • Drops startup file 1 IoCs
  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\766642fe23a587547a840a63e91131308aa94a98a52bc345d4d7536e62b1ed47N.exe
    "C:\Users\Admin\AppData\Local\Temp\766642fe23a587547a840a63e91131308aa94a98a52bc345d4d7536e62b1ed47N.exe"
    1⤵
    • Drops startup file
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    PID:2160

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 822KB
        • SHA256 766642fe23a587547a840a63e91131308aa94a98a52bc345d4d7536e62b1ed47
        • MD5 SHA1 SHA512 SSDEEP

        RCX639E.tmp

        • Path C:\Program Files\7-Zip\RCX639E.tmp
        • Size 824KB
        • SHA256 cd0899a7857a5ad2822198d79c96f292b036fc7bb70ab729bb5c8dd884e000ae
        • MD5 SHA1 SHA512 SSDEEP

        vjavaws.ico

        • Path C:\Program Files\Java\jdk-1.8\bin\vjavaws.ico
        • Size 4KB
        • SHA256 611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5
        • MD5 SHA1 SHA512 SSDEEP

        vIntegratedOffice.ico

        • Path C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico
        • Size 4KB
        • SHA256 a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c
        • MD5 SHA1 SHA512 SSDEEP

        vmisc.ico

        • Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico
        • Size 4KB
        • SHA256 3cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05
        • MD5 SHA1 SHA512 SSDEEP

        autorun.inf

        • Path F:\autorun.inf
        • Size 102B
        • SHA256 94e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
        • MD5 SHA1 SHA512

        memory/2160-0-0x0000000000400000-0x00000000004DA000-memory.dmp

        memory/2160-1-0x00000000023D0000-0x00000000023D1000-memory.dmp

        memory/2160-262-0x0000000000400000-0x00000000004DA000-memory.dmp

        memory/2160-264-0x00000000023D0000-0x00000000023D1000-memory.dmp