Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/09/2026, 14:59

General

  • Target
    31abb359b35b2013bb6124a2fc8e9ef0c8a0fa52fafc3f7667827b2e3a6c6d74.exe
  • Size 11.6MB
  • Sample260925-sc3cysfa34
  • SHA256 31abb359b35b2013bb6124a2fc8e9ef0c8a0fa52fafc3f7667827b2e3a6c6d74
  • 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 13 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 20 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\31abb359b35b2013bb6124a2fc8e9ef0c8a0fa52fafc3f7667827b2e3a6c6d74.exe
    "C:\Users\Admin\AppData\Local\Temp\31abb359b35b2013bb6124a2fc8e9ef0c8a0fa52fafc3f7667827b2e3a6c6d74.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:2332
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4828
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.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:1964
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.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:1816
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.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:4180
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.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:3912
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.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:4988
    • 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:4800
  • 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:4980
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\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:4584
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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:3500
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4916
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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 use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1388
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.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:452
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.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:4208
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.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:3100
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5048
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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 use of WriteProcessMemory
    PID:4288
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:540
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\CoreSystem.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:3276
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:892
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:2740

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 f7cb80d8e1e6b0ccfe0b9c679ba312d77f64f9502cff386933ba749d2dce13f5
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 e38bc244b11ec350a2a27887434969fef8687f880e6264327a2545470affbe19
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 279B
        • SHA256 a68218899b1a409d5089df3894ec2bdd43f1b0947fb7898fcec41f15bcef9a8c
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 181KB
        • SHA256 c99295806f36a1600b570e46623272edc3cc9e32c921b4f5203bcb6381a486b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 977B
        • SHA256 7dd1ff632ddd6df8ebdf2bea038f358372f4d43ed9624a86ca916a0cf1c90287
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 d9d92bb5e0f4a161494ae9e9a8002f2a5223422e25337b493879d69afc780188
        • 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 b6cf0fadeb7f1e8f36d299466ea3fadbe666c5ea314c43061cbdbb4093d3aa2b
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 1fabb86159212a5b6b60092a3529b4af0888d4664176f1d1eb1d987bf6ce83d1
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 8f942084c1e749fe0ea3a4654e4d8a6841442e0260fe26ce6d8892b62ceabce0
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 fe835da1dffef211aadb7106d67f96fce9165de3c7f06fffb9f14a5afec6e309
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 d7a06479bbdb5f14423b9d8ff8b093998dcb03b8dea87f5dc73fda0ab36f41fd
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 53ccf13f7ca5f7b2502542d0b7e7913f86999c7d8f8e6981348148334df029b3
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 d31d287b7757927b525219fcea6ad3bfd43f6ef549b9697c709c4a0768653b8a
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 877373fc01acf3b69c635a62ee85e7f3e15e9a3c07204790391a793abd7b6abb
        • MD5 SHA1 SHA512 TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
        • Size 12.3MB
        • SHA256 9a49eab896d1ef04aa88fd048eeca8b39a2d65349941a111ef8d118f6f2766cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
        • Size 11.9MB
        • SHA256 fa60d342b4c3e69a60a32baa534516d6bf11a5553a32c54d77e2b3f1f1209ae9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\CoreSystem.exe
        • Size 12.7MB
        • SHA256 f46ace23952b5f5aaf139232f7613f63064e65deb38443f3e3fc37e0afa1814c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.exe
        • Size 11.8MB
        • SHA256 566256ff6e2db3039bc8567ffb5a36a6ad53061761f4ba4844092d1b4e604f85
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemTrayHelper.exe
        • Size 12.0MB
        • SHA256 a9a22cc43223b6c3b3111784c59e7eceb1ee4d817bcf25d9b42a11c897623238
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
        • Size 12.6MB
        • SHA256 2143e14cfb54c2578fe8143e96dc70020c676dbccb9199f3ad95789ec65cc96c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
        • Size 12.1MB
        • SHA256 3bb7391b18688fa815fe27b0a4fc4965be32c0da05898db1820aa5dc16f0470b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
        • Size 12.8MB
        • SHA256 9b0ad34349bf15eaeebe4444d1b55b2a196890d622fd620191cbcf53ba0bf11c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
        • Size 11.7MB
        • SHA256 be16a1287f71482790881c2cdbe0a74010fc9eeb8e76f348389f775ed37c92b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe
        • Size 12.2MB
        • SHA256 0311860ccc1f0425156f7584b1dfff2bf1d601cd310c5660fcb410015b6aef53
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
        • Size 12.5MB
        • SHA256 74c61d51d39343a8da1d373817046e2cd3536a35f44bbf291d931e5c56580523
        • MD5 SHA1 SHA512 SSDEEP TLSH