Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 12:19

General

  • Target
    Printfil.msi
  • Size 13.4MB
  • Sample260717-phfjlaaw4m
  • SHA256 6dca327f5fbcb207c321450d69726024b369cfc3ea4532cc7319941dcbf80593
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 34 IoCs
  • Badlisted process makes network request 3 IoCs

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

  • Checks for any installed AV software in registry 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 13 IoCs
  • Embeds OpenSSL 1 IoCs

    Embeds OpenSSL, may be used to circumvent TLS interception.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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\Printfil.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:4380
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5004
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5F365426484FB47B889A8744155EF1AD
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ashCmd.exe
          "C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ashCmd.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks for any installed AV software in registry
          • Checks processor information in registry
          PID:1208
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3872

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59740e.rbs

          • Path C:\Config.Msi\e59740e.rbs
          • Size 43KB
          • SHA256 53a2b343c7e0fb98fcbed20cf664c968350bc2db3466456423c79c2b6d8cc252
          • MD5 SHA1 SHA512 SSDEEP TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 4KB
          • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          57C8EDB95DF3F0AD4EE2DC2B8CFD4157

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
          • Size 342B
          • SHA256 2f7b3af3ed5acdf8d7f4a6a79ca03d510264fbfef0b157e5bf69023c5d1fb17c
          • MD5 SHA1 SHA512 TLSH

          AavmRpch.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\AavmRpch.dll
          • Size 757KB
          • SHA256 69c3cc7b6b1fe8a3d9f890ec0efd624eee87c0fa62f70001408feba7d2470f0f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Graphic.dat

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\Graphic.dat
          • Size 1.2MB
          • SHA256 3852737f524760b0afac086babc01c5587f3bf4ad01de2d6e196c7b9462cb4a4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SDL3.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\SDL3.dll
          • Size 2.7MB
          • SHA256 132e7f953951944f7628861227ecaea8c37a5a484f004c2072b7f3a1c343fa73
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ashBase.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ashBase.dll
          • Size 821KB
          • SHA256 2281913adc5970a6208820535a4aa0d235fe47db155d1c1e1e14e1932cc1136f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ashCmd.exe

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ashCmd.exe
          • Size 747KB
          • SHA256 a2eaf3bd576677eaa4471f511e022297fa2a7f3f4c3bc40136cbc9e818b97eeb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ashTask.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ashTask.dll
          • Size 1.4MB
          • SHA256 44f7872b3437497941bf90b5a5447e4fd14f77fb8db57b89f21f7feebaf8fa9a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswCmnBS.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswCmnBS.dll
          • Size 455KB
          • SHA256 013516cd78c68ee5e94b6d5191a4b23c2c2fd2ab50420fc897cd65992b128509
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswCmnIS.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswCmnIS.dll
          • Size 480KB
          • SHA256 7b771e45e281948c34936d1d028278e64f012b9548f61273788194c38c0c2b15
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswCmnOS.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswCmnOS.dll
          • Size 214KB
          • SHA256 77b8a0bb56cbe5db5d1c7f75060db612d725ee768fe35b3bec71f92c62b67dcb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswEngLdr.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswEngLdr.dll
          • Size 771KB
          • SHA256 08a28e1799d2b1ed3c7f3749e77b7c4d17b662d90bdc6a30d6450c139fe2a98c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswIP.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswIP.dll
          • Size 379KB
          • SHA256 db1ef20e221fdd8865ddf8935f7f7e3e729dd3e93d0929ebf7ce28b2bb36edbf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswProperty.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswProperty.dll
          • Size 1.4MB
          • SHA256 4572056c274449e957eae35575359cd9e7dfbaaf29985690f65cba5ac19b0a88
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aswPropertyAv.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\aswPropertyAv.dll
          • Size 1.2MB
          • SHA256 f6f4d167fdb952ddc915e77230066719ea449d76604902dbdc8d786b93f5bf68
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dll_loader.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\dll_loader.dll
          • Size 192KB
          • SHA256 2ffd2f281f281587240bce18876d6c64893056492886735bf389850c492cd816
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libcrypto-3-x64.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\libcrypto-3-x64.dll
          • Size 5.6MB
          • SHA256 d5f0a75d7ccbba0be64899d5ec1466760125d824aded8b720c68daa03a23a54e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libgcc_s_seh-1.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\libgcc_s_seh-1.dll
          • Size 147KB
          • SHA256 729214efc075b7d4a6fd6309d13f8c49574f3d30c60cf0fb6fc002d90a265866
          • MD5 SHA1 SHA512 SSDEEP TLSH

          liblzma-5.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\liblzma-5.dll
          • Size 70KB
          • SHA256 faabfb3d7bfc2e2640158ae231a6f0a83c3cf584e9d7da27cab5d54f10422772
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libssl-3-x64.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\libssl-3-x64.dll
          • Size 1.0MB
          • SHA256 5db95b0052cc6c194286ff6de924b235ca01fe6155e8aed8e4d31cc80901f809
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libstdc++-6.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\libstdc++-6.dll
          • Size 2.3MB
          • SHA256 ffdee6daaa4afc1975a4ec0371161078a864c6c1f27186b93a673801cad99eba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libwinpthread-1.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\libwinpthread-1.dll
          • Size 62KB
          • SHA256 04737a97282e4068a06ebce60ef80d2f42b8dd33ed7f2cf09ee85d4167e6f9a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          log.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\log.dll
          • Size 427KB
          • SHA256 7700bd8acb82f6f73b36d21201f11ea184214c94771d85ab5c451a68317df8c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          module_lifetime.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\module_lifetime.dll
          • Size 289KB
          • SHA256 b2952c9b17e53e7e479d0907e7f10c3152a1e273bf574e901a0f3cde5385abf8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msvcp140.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\norton.local_vc142.crt\msvcp140.dll
          • Size 559KB
          • SHA256 a030dc2dfd2eca28a9375c92989adf4daf161f988db5e16b9e10678eb0dff4c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msvcp140_atomic_wait.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\norton.local_vc142.crt\msvcp140_atomic_wait.dll
          • Size 49KB
          • SHA256 2f9cdd965650440cebaf2349140a7dde9b587829b7753de8cd051933a777f499
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcruntime140.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\norton.local_vc142.crt\vcruntime140.dll
          • Size 116KB
          • SHA256 f843cd00d9aff9a902dd7c98d6137639a10bd84904d81a085c28a3b29f8223c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcruntime140_1.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\norton.local_vc142.crt\vcruntime140_1.dll
          • Size 48KB
          • SHA256 e4e85eea1106d361923995e53a0b961a28d4fb58555f40945003f35e5bf2c273
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ocr_solid.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\ocr_solid.dll
          • Size 50KB
          • SHA256 a7876bab9f70850ecf090b47c782db8d33dd444e0f9da8d4fd6590f75e3f99dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          serialization.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\serialization.dll
          • Size 615KB
          • SHA256 662f242eb59acdb01caaaf19f20a889358f35c0f4621b6df5e68e54f8df153b1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wPrf.dll

          • Path C:\Users\Admin\AppData\Local\Programs\NA Process Worker\wPrf.dll
          • Size 440KB
          • SHA256 386eaafd3e001e5f01bcf89277e79da4a1f8085a2c2eb951e8f93a2fc0fc327f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7D36.tmp

          • Path C:\Windows\Installer\MSI7D36.tmp
          • Size 234KB
          • SHA256 78860e15e474cc2af7ad6e499a8971b6b8197afb8e49a1b9eaaa392e4378f3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59740d.msi

          • Path C:\Windows\Installer\e59740d.msi
          • Size 13.4MB
          • SHA256 6dca327f5fbcb207c321450d69726024b369cfc3ea4532cc7319941dcbf80593
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1208-239-0x00007FF8173E0000-0x00007FF8173F5000-memory.dmp

          memory/1208-237-0x00007FF8160D0000-0x00007FF8160FB000-memory.dmp

          memory/1208-236-0x00007FF81BDC0000-0x00007FF81BDD5000-memory.dmp

          memory/1208-238-0x00007FF8141F0000-0x00007FF81444D000-memory.dmp

          memory/1208-263-0x0000025174EC0000-0x000002517511C000-memory.dmp

          memory/1208-268-0x00007FF814D20000-0x00007FF8156C4000-memory.dmp

          memory/1208-270-0x0000025176200000-0x00000251763C2000-memory.dmp

          memory/1208-269-0x0000025175F50000-0x0000025176034000-memory.dmp