Analysis

  • max time kernel
    43s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-02-2025 08:48

General

  • Target

    skull.exe

  • Size

    1.3MB

  • MD5

    3dce90e3a6daa8810d0dec78fd960e7d

  • SHA1

    d44f4aa742092f33ec60264e15f09fd127a7bb87

  • SHA256

    096ef1633a1e4b28ea46406a6324998b5f4dc59f6596c3dfbe7d6ee403186733

  • SHA512

    bd68ff08882a61bbc4d51ca4ae2e055e20db853c79f6ea0dd5867e673af38785ddc4f992c1891ecf6d658bba89556b23797d708f3d7ca1da1eb4332f9a2ea84c

  • SSDEEP

    24576:RTSTiRsBE12BIVpT2QhYpAILUo/g9QZqpMC3QVbIoTdWR8SfEuGujqZF13z8H81:RT7RseZDT2tSbvQsIbe8YVjPH81

Malware Config

Signatures

  • Detect MafiaWare666 ransomware 1 IoCs
  • MafiaWare666 Ransomware

    MafiaWare666 is ransomware written in C# with multiple variants.

  • Mafiaware666 family
  • Renames multiple (75) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops desktop.ini file(s) 5 IoCs
  • 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\skull.exe
    "C:\Users\Admin\AppData\Local\Temp\skull.exe"
    1⤵
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    PID:2332
  • C:\Windows\System32\fontview.exe
    "C:\Windows\System32\fontview.exe" C:\Users\Admin\Desktop\JoinSave.ttc
    1⤵
      PID:4944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Desktop\JoinSave.ttc

      Filesize

      613KB

      MD5

      5649bccf8d5f1cc812af337a33952837

      SHA1

      207a3306177594b338005d2629ad4f8ab910fa21

      SHA256

      43340bdbe526ea52ef04cc4275c31ffa9208b66ecd286dede1e0e3514cb7cfbb

      SHA512

      4546e18fd132d00689d98f4546b5d3f92668edb444aa48a513e9154db1efbf1fd661d45acbeef9c90dce2ee5cd9d59593e51e31ae168a157803295862ff9c1e4

    • memory/2332-0-0x000000007487E000-0x000000007487F000-memory.dmp

      Filesize

      4KB

    • memory/2332-1-0x0000000000DE0000-0x0000000000F32000-memory.dmp

      Filesize

      1.3MB

    • memory/2332-2-0x0000000006020000-0x00000000065C6000-memory.dmp

      Filesize

      5.6MB

    • memory/2332-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

      Filesize

      584KB

    • memory/2332-4-0x0000000074870000-0x0000000075021000-memory.dmp

      Filesize

      7.7MB

    • memory/2332-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

      Filesize

      40KB

    • memory/2332-6-0x0000000074870000-0x0000000075021000-memory.dmp

      Filesize

      7.7MB

    • memory/2332-28-0x000000007487E000-0x000000007487F000-memory.dmp

      Filesize

      4KB

    • memory/2332-32-0x0000000074870000-0x0000000075021000-memory.dmp

      Filesize

      7.7MB

    • memory/2332-36-0x0000000074870000-0x0000000075021000-memory.dmp

      Filesize

      7.7MB

    • memory/2332-87-0x0000000074870000-0x0000000075021000-memory.dmp

      Filesize

      7.7MB