Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/10/2026, 16:18

General

  • Target
    f4d0bb0e0046484542f699623bd18e455d7c93770c78e79aff7e93351638e76e.exe
  • Size 9.7MB
  • Sample261003-tr7rnascrb
  • SHA256 f4d0bb0e0046484542f699623bd18e455d7c93770c78e79aff7e93351638e76e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 11 IoCs

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

  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 14 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 19 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Detect suspicious telegram bot 11 IoCs

    Detect suspicious telegram bot.

  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 46 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4d0bb0e0046484542f699623bd18e455d7c93770c78e79aff7e93351638e76e.exe
    "C:\Users\Admin\AppData\Local\Temp\f4d0bb0e0046484542f699623bd18e455d7c93770c78e79aff7e93351638e76e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4672
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2080
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2348
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:212
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3944
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4128
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1144
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3748
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1300
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4700
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1700
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:3124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 808B
        • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 313B
        • SHA256 acb9d981851f4c3271fad627cdfda2a2d8599028a2b9b0f06fd24acd3767dcad
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 541828396e95f1244c8fd8c461d08e6914672db6a9d836a3ab2c432f8f2b0352
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 280B
        • SHA256 b58f7696fc81ea50570304ba19a94ac07ef88f00cb18545c035b4dc13205bfef
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 181KB
        • SHA256 ac98a885ce53aab18119c364bce08a1d4d9d38bf503cde57a9c5d155f0a87439
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 8c7602efe22cb85666dfca8b597ad0f33617fdd861c8bf7e951c305dfe59b3dc
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 57c2ac700d8b52ae8edcdda9ac8069ab4dc4ea1233a73844b32803889da2b052
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 02b917689268fadad610bdb662e0409b9bc517866923117db001b978adc69b33
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 8036902a343445ff2ced227327088a6346abcb39986f101ebfc0bb6e988dd174
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 8873d5e2fee7adaa8b33d1ca74fac23e8595972afbb9a38d9ff7c5170bf1f89a
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 4652c82af02e385ef461303c3ecf5947a2dc54c77084bbdfcb3f7e5859f5718f
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 d8c690601cf052c31568148dc335d73a800a3b7938b0643e843a81203ad515d7
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 65186145787bf2e3a6ce6588e30fdf5aaa86b79e9eae0a0e9a743efc16898e2e
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 7b492e3792d2947883c149fe0470389fd3c3ec645307c511a2fd31792964f152
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 27313f64378a213a960254552909f736f707fe74204527d0ba442a699ad95976
        • MD5 SHA1 SHA512 TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\ServiceHost.exe
        • Size 10.9MB
        • SHA256 9e79b8c81783e66bc6b02e7fc497ea40ee064ef4e9db469795be83be9b82780b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
        • Size 10.1MB
        • SHA256 08e0cf3822402e392d2c282835fa5411a2777d3100d9163533d469a080167d0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe
        • Size 10.2MB
        • SHA256 a7a2ae81a5d8bc21251198c46c737b03c278f1c66c974d519cd27fb071237e7c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
        • Size 10.5MB
        • SHA256 c43ccba6febf81991edc3b0a66fd91bc4d717cc947a4b33aabcbf4c1c19e4f7c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
        • Size 9.9MB
        • SHA256 8b8dc8181adcd05a86cd9946e81cd31f2244bda89d15b225aceba21aee730561
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
        • Size 10.7MB
        • SHA256 8d0de869d4322678295d1ec06d4b08b9ac2877145781440684a23668b6c4085e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe
        • Size 11.0MB
        • SHA256 084336084158890b856ac49a67dc5c849b86a7b399aa2f16a47b28718a89f6b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
        • Size 10.6MB
        • SHA256 42bed85180122e5e8737ab8b75cfa5d01b00a69eff8b701a2ad9c1b93f3a05d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
        • Size 10.0MB
        • SHA256 f352feceb891eab08086d96f0a113bdcba43c399ecf7131f0f97a7810399e6ba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
        • Size 10.4MB
        • SHA256 f8fe81237951b068bc83d7f83375409cc3b9898791e1a28c91a968ec7e03ce92
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
        • Size 10.3MB
        • SHA256 67c491d72a366c72c7dba673f87f047d157fe1f01b679c886560fc731730b62f
        • MD5 SHA1 SHA512 SSDEEP TLSH