Analysis

  • max time kernel
    22s
  • max time network
    121s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 10:23

General

  • Target
    Rainbow Dash Client.exe
  • Size 30KB
  • Sample260930-mexmlawzex
  • SHA256 54ec3a22002b572e1f680616e496aa4f2b9b2907cb145e0b9fe6b66b32e3621e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • aoxlvofr6w.localto.net:4714

Mutex
  • 42fZoNotiLzko9Q5

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 6 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rainbow Dash Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Rainbow Dash Client.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\inwgnp.exe
      "C:\Users\Admin\AppData\Local\Temp\inwgnp.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCR /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4692
        • C:\Windows\system32\reg.exe
          reg delete HKCR /f
          4⤵
          • Modifies registry class
          PID:5108
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCU /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2248
        • C:\Windows\system32\reg.exe
          reg delete HKCU /f
          4⤵
          • Modifies registry key
          PID:1092
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKLM /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4820
        • C:\Windows\system32\reg.exe
          reg delete HKLM /f
          4⤵
          • Modifies registry key
          PID:4344
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKU /f
        3⤵
        • Executes a command shell one-liner
        PID:5936
        • C:\Windows\system32\reg.exe
          reg delete HKU /f
          4⤵
            PID:3896
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c reg delete HKCC /f
          3⤵
          • Executes a command shell one-liner
          PID:4608
          • C:\Windows\system32\reg.exe
            reg delete HKCC /f
            4⤵
              PID:3596
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCEDA.tmp.bat""
          2⤵
          • Executes a command shell one-liner
          PID:4396
          • C:\Windows\system32\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:3656
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x00000000000004F4 0x00000000000004FC
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4068
      • C:\Windows\system32\userinit.exe
        C:\Windows\system32\userinit.exe
        1⤵
          PID:1308
          • C:\Windows\Explorer.EXE
            C:\Windows\Explorer.EXE
            2⤵
              PID:6040
          • C:\Windows\system32\OpenWith.exe
            C:\Windows\system32\OpenWith.exe -Embedding
            1⤵
              PID:2216
            • C:\Windows\system32\OpenWith.exe
              C:\Windows\system32\OpenWith.exe -Embedding
              1⤵
                PID:4108
              • C:\Windows\system32\OpenWith.exe
                C:\Windows\system32\OpenWith.exe -Embedding
                1⤵
                  PID:3000
                • C:\Windows\system32\OpenWith.exe
                  C:\Windows\system32\OpenWith.exe -Embedding
                  1⤵
                    PID:1680
                  • C:\Windows\system32\OpenWith.exe
                    C:\Windows\system32\OpenWith.exe -Embedding
                    1⤵
                      PID:1352
                    • C:\Windows\system32\OpenWith.exe
                      C:\Windows\system32\OpenWith.exe -Embedding
                      1⤵
                        PID:6000
                      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                        1⤵
                          PID:4572
                        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                          1⤵
                            PID:4236
                          • C:\Windows\system32\OpenWith.exe
                            C:\Windows\system32\OpenWith.exe -Embedding
                            1⤵
                              PID:5132
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k GPSvcGroup
                              1⤵
                                PID:3224

                              Network

                                    MITRE ATT&CK Enterprise v16

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    microsoftwindows.client[1].xml

                                    • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\2BUM5BVC\microsoftwindows.client[1].xml
                                    • Size 97B
                                    • SHA256 89fae162012aca7695ef8e50c7d046b647b3884526c144b65042a59c59cfd76d
                                    • MD5 SHA1 SHA512 TLSH

                                    inwgnp.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\inwgnp.exe
                                    • Size 11KB
                                    • SHA256 6de7f60070611dd1b828f4f35a808c7c23392ab1e6428b07f5d576d52b1a7eaf
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    tmpCEDA.tmp.bat

                                    • Path C:\Users\Admin\AppData\Local\Temp\tmpCEDA.tmp.bat
                                    • Size 171B
                                    • SHA256 3e72495a391dba5042a2f20260e54f301bb1840721d179c971be38d74abe4e5e
                                    • MD5 SHA1 SHA512 TLSH

                                    desktop.ini

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

                                    desktop.ini

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

                                    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

                                    desktop.ini

                                    • Path C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Burn\Burn\desktop.ini
                                    • Size 174B
                                    • SHA256 feea416e5e5c8aa81416b81fb25132d1c18b010b02663a253338dbdfb066e122
                                    • MD5 SHA1 SHA512 TLSH

                                    iconcache_48.db

                                    • Path C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\Explorer\iconcache_48.db
                                    • Size 1024KB
                                    • SHA256 10ef5c281972cac30f6df36af447ce2271b1d46dd309b052954070003be5b153
                                    • 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 9e0429155152888f9864a61f48c5f5f4f7da6095ab79afd71a803a59ed5478cd
                                    • 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\desktop.ini
                                    • Size 174B
                                    • SHA256 768b6fde6149d9ebbed1e339a72e8cc8c535e5c61d7c82752f7dff50923b7aed
                                    • 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

                                    RGI1C53.tmp

                                    • Path C:\Windows\Temp\RGI1C53.tmp
                                    • Size 24KB
                                    • SHA256 04a0fbd0b5c3e4f7e3558a3871fe3f3cce5013a330941c3e72b4cdb19c81f2ad
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/1888-0-0x00007FFAFD92F000-0x00007FFAFD930000-memory.dmp

                                    memory/1888-641-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/1888-1-0x0000000000D00000-0x0000000000D0E000-memory.dmp

                                    memory/1888-2-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/1888-3-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/1888-4-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/1888-5-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4572-465-0x000002AA14330000-0x000002AA14430000-memory.dmp

                                    memory/4572-451-0x000002AA001E0000-0x000002AA002E0000-memory.dmp

                                    memory/4572-464-0x000002AA01E70000-0x000002AA01E90000-memory.dmp

                                    memory/4572-474-0x000002AA04270000-0x000002AA04290000-memory.dmp

                                    memory/4572-502-0x000002AA14730000-0x000002AA14750000-memory.dmp

                                    memory/4800-20-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-23-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-450-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-14-0x0000000000E40000-0x0000000000E4A000-memory.dmp

                                    memory/4800-456-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-21-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-22-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-423-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-18-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-25-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-17-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-603-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/4800-24-0x00007FFAFD7A0000-0x00007FFAFE144000-memory.dmp

                                    memory/6040-352-0x00000000049D0000-0x00000000049D1000-memory.dmp