Analysis

  • max time kernel
    2s
  • max time network
    39s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 22:50

Errors

Reason
Machine shutdown

General

  • Target
    meccha.rar.exe
  • Size 11KB
  • Sample260807-2sndeaveka
  • SHA256 a4741feab32098ffa4da3e0caca50db3c23fb605f1fa6bdce15a5fb86a7077f2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 5 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\meccha.rar.exe
    "C:\Users\Admin\AppData\Local\Temp\meccha.rar.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg delete HKCR /f
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4320
      • C:\Windows\system32\reg.exe
        reg delete HKCR /f
        3⤵
          PID:4392
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCU /f
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:592
        • C:\Windows\system32\reg.exe
          reg delete HKCU /f
          3⤵
          • Modifies registry key
          PID:2800
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKLM /f
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3488
        • C:\Windows\system32\reg.exe
          reg delete HKLM /f
          3⤵
          • Modifies registry key
          PID:2364
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKU /f
        2⤵
        • Executes a command shell one-liner
        PID:1480
        • C:\Windows\system32\reg.exe
          reg delete HKU /f
          3⤵
            PID:3188
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c reg delete HKCC /f
          2⤵
          • Executes a command shell one-liner
          PID:4064
          • C:\Windows\system32\reg.exe
            reg delete HKCC /f
            3⤵
              PID:820
        • C:\Windows\system32\AUDIODG.EXE
          C:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004D8
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3760
        • C:\Windows\system32\userinit.exe
          C:\Windows\system32\userinit.exe
          1⤵
            PID:2016
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              2⤵
                PID:5484
            • C:\Windows\system32\OpenWith.exe
              C:\Windows\system32\OpenWith.exe -Embedding
              1⤵
                PID:3388
              • C:\Windows\system32\OpenWith.exe
                C:\Windows\system32\OpenWith.exe -Embedding
                1⤵
                  PID:1580
                • C:\Windows\system32\OpenWith.exe
                  C:\Windows\system32\OpenWith.exe -Embedding
                  1⤵
                    PID:1796
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                      PID:1236
                    • C:\Windows\system32\OpenWith.exe
                      C:\Windows\system32\OpenWith.exe -Embedding
                      1⤵
                        PID:2416
                      • C:\Windows\system32\OpenWith.exe
                        C:\Windows\system32\OpenWith.exe -Embedding
                        1⤵
                          PID:5632
                        • C:\Windows\system32\userinit.exe
                          C:\Windows\system32\userinit.exe
                          1⤵
                            PID:5648
                            • C:\Windows\Explorer.EXE
                              C:\Windows\Explorer.EXE
                              2⤵
                                PID:2916
                            • C:\Windows\system32\userinit.exe
                              C:\Windows\system32\userinit.exe
                              1⤵
                                PID:4860
                                • C:\Windows\Explorer.EXE
                                  C:\Windows\Explorer.EXE
                                  2⤵
                                    PID:3324
                                • C:\Windows\system32\userinit.exe
                                  C:\Windows\system32\userinit.exe
                                  1⤵
                                    PID:704
                                    • C:\Windows\Explorer.EXE
                                      C:\Windows\Explorer.EXE
                                      2⤵
                                        PID:3116
                                    • C:\Windows\system32\userinit.exe
                                      C:\Windows\system32\userinit.exe
                                      1⤵
                                        PID:4804
                                        • C:\Windows\Explorer.EXE
                                          C:\Windows\Explorer.EXE
                                          2⤵
                                            PID:4792
                                        • C:\Windows\system32\userinit.exe
                                          C:\Windows\system32\userinit.exe
                                          1⤵
                                            PID:3236
                                            • C:\Windows\Explorer.EXE
                                              C:\Windows\Explorer.EXE
                                              2⤵
                                                PID:3768
                                            • C:\Windows\system32\userinit.exe
                                              C:\Windows\system32\userinit.exe
                                              1⤵
                                                PID:2632
                                                • C:\Windows\Explorer.EXE
                                                  C:\Windows\Explorer.EXE
                                                  2⤵
                                                    PID:5992
                                                • C:\Windows\system32\userinit.exe
                                                  C:\Windows\system32\userinit.exe
                                                  1⤵
                                                    PID:4956
                                                    • C:\Windows\Explorer.EXE
                                                      C:\Windows\Explorer.EXE
                                                      2⤵
                                                        PID:616
                                                    • C:\Windows\system32\userinit.exe
                                                      C:\Windows\system32\userinit.exe
                                                      1⤵
                                                        PID:2256
                                                        • C:\Windows\Explorer.EXE
                                                          C:\Windows\Explorer.EXE
                                                          2⤵
                                                            PID:1176
                                                        • C:\Windows\system32\userinit.exe
                                                          C:\Windows\system32\userinit.exe
                                                          1⤵
                                                            PID:2780
                                                            • C:\Windows\Explorer.EXE
                                                              C:\Windows\Explorer.EXE
                                                              2⤵
                                                                PID:3780
                                                            • C:\Windows\system32\userinit.exe
                                                              C:\Windows\system32\userinit.exe
                                                              1⤵
                                                                PID:2992
                                                                • C:\Windows\Explorer.EXE
                                                                  C:\Windows\Explorer.EXE
                                                                  2⤵
                                                                    PID:3040
                                                                • C:\Windows\system32\userinit.exe
                                                                  C:\Windows\system32\userinit.exe
                                                                  1⤵
                                                                    PID:4124
                                                                    • C:\Windows\Explorer.EXE
                                                                      C:\Windows\Explorer.EXE
                                                                      2⤵
                                                                        PID:4304
                                                                    • C:\Windows\system32\userinit.exe
                                                                      C:\Windows\system32\userinit.exe
                                                                      1⤵
                                                                        PID:5664
                                                                        • C:\Windows\Explorer.EXE
                                                                          C:\Windows\Explorer.EXE
                                                                          2⤵
                                                                            PID:2428
                                                                        • C:\Windows\system32\userinit.exe
                                                                          C:\Windows\system32\userinit.exe
                                                                          1⤵
                                                                            PID:5728
                                                                            • C:\Windows\Explorer.EXE
                                                                              C:\Windows\Explorer.EXE
                                                                              2⤵
                                                                                PID:1300
                                                                            • C:\Windows\system32\userinit.exe
                                                                              C:\Windows\system32\userinit.exe
                                                                              1⤵
                                                                                PID:1588
                                                                                • C:\Windows\Explorer.EXE
                                                                                  C:\Windows\Explorer.EXE
                                                                                  2⤵
                                                                                    PID:1668
                                                                                • C:\Windows\system32\userinit.exe
                                                                                  C:\Windows\system32\userinit.exe
                                                                                  1⤵
                                                                                    PID:4640
                                                                                    • C:\Windows\Explorer.EXE
                                                                                      C:\Windows\Explorer.EXE
                                                                                      2⤵
                                                                                        PID:4852
                                                                                    • C:\Windows\system32\userinit.exe
                                                                                      C:\Windows\system32\userinit.exe
                                                                                      1⤵
                                                                                        PID:5836
                                                                                        • C:\Windows\Explorer.EXE
                                                                                          C:\Windows\Explorer.EXE
                                                                                          2⤵
                                                                                            PID:4352

                                                                                        Network

                                                                                              MITRE ATT&CK Enterprise v16

                                                                                              Replay Monitor

                                                                                              Loading Replay Monitor...

                                                                                              Downloads

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Contacts\desktop.ini
                                                                                              • Size 412B
                                                                                              • SHA256 48a6703a09f1197ee85208d5821032b77d20b3368c6b4de890c44fb482149cf7
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Documents\desktop.ini
                                                                                              • Size 402B
                                                                                              • SHA256 cafec240d998e4b6e92ad1329cd417e8e9cbd73157488889fd93a542de4a4844
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Downloads\desktop.ini
                                                                                              • Size 282B
                                                                                              • SHA256 b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Links\desktop.ini
                                                                                              • Size 504B
                                                                                              • SHA256 a4234e2cf44c57609fd7cb0f9f0a33ee136b542fba5121ac02d85b38fb2ea02d
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Music\desktop.ini
                                                                                              • Size 504B
                                                                                              • SHA256 8301e344371b0753d547b429c5fe513908b1c9813144f08549563ac7f4d7da68
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Pictures\desktop.ini
                                                                                              • Size 504B
                                                                                              • SHA256 88856962cef670c087eda4e07d8f78465beeabb6143b96bd90f884a80af925b4
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Saved Games\desktop.ini
                                                                                              • Size 282B
                                                                                              • SHA256 e6fdf8ed07b19b2a3b8eff05de7bc71152c85b377b9226f126dc54b58b930311
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Searches\desktop.ini
                                                                                              • Size 524B
                                                                                              • SHA256 a9e8ad0792b546a4a8ce49eda82b327ad9581141312efec3ac6f2d3ad5a05f17
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Admin\Videos\desktop.ini
                                                                                              • Size 504B
                                                                                              • SHA256 b287b639f6edd612f414caf000c12ba0555adb3a2643230cbdd5af4053284978
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Users\Public\AccountPictures\desktop.ini
                                                                                              • Size 196B
                                                                                              • SHA256 658d53a476592db7e0e09ecd0073b80315dc2d9041b2fb3bf96eb84ff89676cc
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Application Shortcuts\desktop.ini
                                                                                              • Size 174B
                                                                                              • SHA256 1d9dcd07e5fa1748da3e7e4d57eca2e88a4c42e4f2cead9192e94325c32c2e4f
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              iconcache_48.db

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
                                                                                              • Size 1024KB
                                                                                              • SHA256 5d58db9702f5b966f21a3acb980f6b2e50cc5a524afbed5be2ba8c8046aaac60
                                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                              iconcache_idx.db

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db
                                                                                              • Size 7KB
                                                                                              • SHA256 42833ee211714076825d9642a7f6f5df059dbed3f853f907392c4b862aa77cde
                                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\AccountPictures\desktop.ini
                                                                                              • Size 196B
                                                                                              • SHA256 4e252dbee2058e1cf6f78fc67568759a8ad213bcafe33192e55dd5712d7e4abd
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Libraries\desktop.ini
                                                                                              • Size 302B
                                                                                              • SHA256 873bcd7fc25e21142bdfcd6c8f2bea3e294a055e3f132d8a2b3407aba45074e1
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Recent\desktop.ini
                                                                                              • Size 432B
                                                                                              • SHA256 eb315c9d165b4916e3b00e4d148b53a6c03a2f0694a6a8821d98e76f935ca6a8
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools\desktop.ini
                                                                                              • Size 174B
                                                                                              • SHA256 be49aff1e82fddfc2ab9dfffcb7e7be100800e3653fd1d12b6f8fa6a0957fcac
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\desktop.ini
                                                                                              • Size 174B
                                                                                              • SHA256 cdb11958506a5ba5478e22ed472fa3ae422fe9916d674f290207e1fc29ae5a76
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\desktop.ini
                                                                                              • Size 174B
                                                                                              • SHA256 768b6fde6149d9ebbed1e339a72e8cc8c535e5c61d7c82752f7dff50923b7aed
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini
                                                                                              • Size 174B
                                                                                              • SHA256 8e00a24ae458effe00a55344f7f34189b4594613284745ff7d406856a196c531
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Desktop\desktop.ini
                                                                                              • Size 282B
                                                                                              • SHA256 4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Documents\desktop.ini
                                                                                              • Size 418B
                                                                                              • SHA256 954b525be189a7fee40084bce8a1d9380280d109d64695e0c09b940c708aa274
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Downloads\desktop.ini
                                                                                              • Size 298B
                                                                                              • SHA256 d5e7d3ffbfeffe8c91236b30b1cd3c4cbb80059d16ff6edf52c2027874e1ebdf
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Favorites\desktop.ini
                                                                                              • Size 402B
                                                                                              • SHA256 a45e345556901cd98b9bf8700b2a263f1da2b2e53dbdf69b9e6cfab6e0bd3464
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Music\desktop.ini
                                                                                              • Size 520B
                                                                                              • SHA256 7edc1c721b5402e489554f848f85ccc8e190852a0ddcac22a6123c8263841340
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Pictures\desktop.ini
                                                                                              • Size 520B
                                                                                              • SHA256 3d643252d2ab50d0e5078aced4cb1ab19b5e8d1ff0bedf03f3243ebf3caa5884
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              desktop.ini

                                                                                              • Path C:\Windows\System32\config\systemprofile\Videos\desktop.ini
                                                                                              • Size 520B
                                                                                              • SHA256 b41bdfe903bf4ab529adf9a2624c5733f5e044d42a6cd6fed18fd2c281f7fcc5
                                                                                              • MD5 SHA1 SHA512 TLSH

                                                                                              RGI48D7.tmp

                                                                                              • Path C:\Windows\Temp\RGI48D7.tmp
                                                                                              • Size 24KB
                                                                                              • SHA256 04a0fbd0b5c3e4f7e3558a3871fe3f3cce5013a330941c3e72b4cdb19c81f2ad
                                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                              TranscodedWallpaper

                                                                                              • Path C:\Windows\system32\config\systemprofile\AppData\Roaming\Microsoft\Windows\Themes\TranscodedWallpaper
                                                                                              • Size 176KB
                                                                                              • SHA256 6ea25d299adb39df40212749727988f5f4bd1daba2b02fafb970fa2d1dbec7a7
                                                                                              • MD5 SHA1 SHA512 SSDEEP TLSH

                                                                                              memory/3760-13-0x0000018379000000-0x00000183791EB000-memory.dmp

                                                                                              memory/4300-9-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-7-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-11-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-0-0x0000000000300000-0x000000000030A000-memory.dmp

                                                                                              memory/4300-12-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-8-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-14-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-10-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-6-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-56-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-82-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-5-0x00007FFE6B710000-0x00007FFE6C0B4000-memory.dmp

                                                                                              memory/4300-1-0x00007FFE6B89F000-0x00007FFE6B8A0000-memory.dmp

                                                                                              memory/5484-363-0x0000000005DB0000-0x0000000005DB1000-memory.dmp