Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 17:54

General

  • Target
    _f7898482ead6490a59c2e3838cb63c9ed7f7a867c5a0ab37686c01c13503d180.exe
  • Size 12.2MB
  • Sample260522-wg4claev41
  • SHA256 f7898482ead6490a59c2e3838cb63c9ed7f7a867c5a0ab37686c01c13503d180
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 7 IoCs

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

  • 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.

  • 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
  • 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.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\_f7898482ead6490a59c2e3838cb63c9ed7f7a867c5a0ab37686c01c13503d180.exe
    "C:\Users\Admin\AppData\Local\Temp\_f7898482ead6490a59c2e3838cb63c9ed7f7a867c5a0ab37686c01c13503d180.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.1.24.9579\0ae1ec3379e83673\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\_f7898482ead6490a59c2e3838cb63c9ed7f7a867c5a0ab37686c01c13503d180.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:3996
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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:1276
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DE24AF474355D401BB39C60CD7C0119D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240683937 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3620
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI8CAC.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240684218 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3408
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI919E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240685500 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5048
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4592
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4B48B21471FE9C781207AD7982F5035E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5064
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 497B7A6E230FBD05D9B9EDBF2829F168 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1616
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:948
    • C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-qhasxd-relay.screenconnect.com&p=443&s=373553ee-32d6-45c6-8a55-e3b50c9e2597&k=BgIAAACkAABSU0ExAAgAAAEAAQCZK8%2fkfUnPQ19bOwMrODzr59WG%2bFm%2fTnIJMhG%2b4B6nvp4quKZP8KbduFyUrY9qTv0UqZG%2falv2i%2bX0n%2fPF3E0SMbC4l8eSvVgvAp03Um4Nzri8ajCs1bPvw5suJ1R%2f5WU4qgpTIgMxe8DuPuUxfeQcEXzEhlOgX6HKAHccdZEM0TsK4M%2fjmn6AMfAfQ9jxSx1ZrsNdpJVqYfoDbxrxgp6IYo3K8%2frltwgzebao1p4tRhxUjFn%2b%2f%2b7DEFHsfydEcx9MZvbCZl%2bsvfTlc1TDrJlWzwWcbVqPK%2byEUML11v7mSsxpSWizj1yX7msGLsy3svsOsGcBwz6O6y0zD3WnseTQ"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • 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:4504
      • C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.WindowsClient.exe" "RunRole" "24a4d22d-e556-48ec-96e9-40067be55b4d" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1468
      • C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.WindowsClient.exe" "RunRole" "a0cf5016-7546-4a6c-ace7-cc760d8790c7" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4556

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58c9d4.rbs

          • Path C:\Config.Msi\e58c9d4.rbs
          • Size 214KB
          • SHA256 b2eb50e7a32f322a46edf253d77161c0c9d6e2bad0cf727ca0745e30bf33b7d6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.Client.dll
          • Size 411KB
          • SHA256 28ff8468ad2db8b41fe9d9a2971dd56fea0aecad14808fe4b31c9b1072d3b129
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.ClientService.dll
          • Size 90KB
          • SHA256 9cf2c77df0a1a1e854ec1bbc6940d96f508bfb4b0555a07657c77314803a717e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 01341bd42426c3d110136cc94433df00dbad690a56593f7cca41a93f698f214a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.Core.dll
          • Size 572KB
          • SHA256 92e831159d5e9f2676241ab7ce80060a0b1dc34684f83797aec93b3ecff41139
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 2292aac48ad575c6d1ed99c862e3408e254db34b8fea50cf3594aa08f3e875d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (0ae1ec3379e83673)\system.config
          • Size 974B
          • SHA256 8e4f23fde61493da990fecec2dbd474e0e80f3fdcf663f6d105333c116f8e230
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 db45de11777396930ea2828b05991a8f2f5465edbf277aa424eda3d9aa1b5bb2
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 c04b8193f1086a50fa10d0f85d1881b1661d91a72fa253ef62efbbfc3b4351f2
          • MD5 SHA1 SHA512 TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 342B
          • SHA256 387fafd84970ed0101dbbdb192c5740238574f20a7db0fad69acdd2795f6794f
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 8c60680fb26cafe361efac4f011d122fe74dd7cee86344bf5ae7e83661c37d7d
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 60721aaeb4c66c281be0df027acfdc1ba1a4d7b7f87c3bae1053160b60a3a261
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 76ced2c52d647683572ceac0687933e96e198b5a6f998457fa334763cc1ef978
          • MD5 SHA1 SHA512 TLSH

          MSI8B43.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp
          • Size 1.1MB
          • SHA256 cd6bccce073b2a5205840ec31c91df0d443cc57c68756de2c03e21db8e3fc157
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\ScreenConnect.Core.dll
          • Size 562KB
          • SHA256 c51a2b5cb5054ec0136e332bf290c8af3392d7936b5137a07423df08ab33d264
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8B43.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 10933424536d53e397f651915f862c933199c50722943c236b020787b2e8f147
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8CAC.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8CAC.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 432abf3a198ff64fb2c660eb06b2bb33a16cf69fd28d836cfcb65c43d37dc462
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI8CAC.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 528242c7745783b3b4ae72fec13bb9bd49b17b0e00f60c027351147f21fdd359
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.1.24.9579\0ae1ec3379e83673\ScreenConnect.ClientSetup.msi
          • Size 9.7MB
          • SHA256 255dcf87e649f8d3dd21222ef1aa93c5682284990915b0bafa65fc4ed97f9637
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI602.tmp

          • Path C:\Windows\Installer\MSI602.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 3b68af66cb8192e5a3ff3ab985d53fec5b8921c42e7cf967aaa840f9d9513c0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0fa17897-9cc2-4925-b60b-e2fa3c5fdde7}_OnDiskSnapshotProp

          • Path \??\Volume{0dc89376-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0fa17897-9cc2-4925-b60b-e2fa3c5fdde7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 62b108cf630c5b339f8b570a6d6f096b5f420f8e5dde43e5e605d38c6aabd5c3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1468-210-0x000000001CDA0000-0x000000001CF50000-memory.dmp

          memory/1468-208-0x000000001C7E0000-0x000000001C84A000-memory.dmp

          memory/1468-209-0x000000001CB50000-0x000000001CBE4000-memory.dmp

          memory/1468-212-0x0000000000F50000-0x0000000000F6A000-memory.dmp

          memory/1468-207-0x0000000000550000-0x00000000005FA000-memory.dmp

          memory/1468-213-0x0000000002740000-0x000000000275A000-memory.dmp

          memory/1468-211-0x000000001E190000-0x000000001E318000-memory.dmp

          memory/3408-87-0x00000000029B0000-0x00000000029D8000-memory.dmp

          memory/3620-51-0x0000000005010000-0x00000000050A4000-memory.dmp

          memory/3620-43-0x0000000004F10000-0x0000000004F3E000-memory.dmp

          memory/3620-47-0x0000000004F60000-0x0000000004F6C000-memory.dmp

          memory/3620-55-0x0000000005260000-0x0000000005410000-memory.dmp

          memory/3984-5-0x0000000005D60000-0x0000000005DF4000-memory.dmp

          memory/3984-2-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-0-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-12-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-11-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-4-0x00000000036A0000-0x00000000036AC000-memory.dmp

          memory/3984-10-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-3-0x0000000005EE0000-0x0000000005EF0000-memory.dmp

          memory/3984-9-0x0000000006140000-0x00000000061D2000-memory.dmp

          memory/3984-6-0x00000000036D0000-0x00000000036F8000-memory.dmp

          memory/3984-8-0x0000000006650000-0x0000000006BF6000-memory.dmp

          memory/3984-7-0x0000000005EF0000-0x00000000060A0000-memory.dmp

          memory/3984-1-0x0000000003680000-0x0000000003688000-memory.dmp

          memory/4504-192-0x00000000049A0000-0x0000000004A75000-memory.dmp

          memory/4504-191-0x0000000004400000-0x0000000004441000-memory.dmp

          memory/4504-189-0x0000000004470000-0x00000000044DA000-memory.dmp

          memory/4504-185-0x00000000043B0000-0x0000000004400000-memory.dmp

          memory/4504-179-0x0000000004310000-0x00000000043A4000-memory.dmp

          memory/4504-173-0x0000000001D50000-0x0000000001D6A000-memory.dmp

          memory/4504-183-0x0000000004560000-0x0000000004710000-memory.dmp