Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 18:36

General

  • Target
    31e5477f8697c9a47929a563f52e5797d330e9d9b275a68360cad1896bc6ab87.exe
  • Size 6.4MB
  • Sample260910-w8yanathpe
  • SHA256 31e5477f8697c9a47929a563f52e5797d330e9d9b275a68360cad1896bc6ab87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 8 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).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31e5477f8697c9a47929a563f52e5797d330e9d9b275a68360cad1896bc6ab87.exe
    "C:\Users\Admin\AppData\Local\Temp\31e5477f8697c9a47929a563f52e5797d330e9d9b275a68360cad1896bc6ab87.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1936
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5812
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe"
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:948
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5560
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2616
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1332
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2724
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2280
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:264
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5868
    • 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
      • System Location Discovery: System Language Discovery
      PID:5616
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2060
    • 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
      • System Location Discovery: System Language Discovery
      PID:880
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2760
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5456
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4508
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5924
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5812
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3640

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 314B
        • SHA256 6ac45142693bd1c458512e3b8def1881e3fe3a81b85425044c0f460d67eac362
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 407466a7bf7a775973c4c9f5277feec33d64debdc13b130e25446b9b5af3893d
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 281B
        • SHA256 0e88a5f0db492c6d183a9c530238a34b60ddf8e643d59bb067a8bed73f3b04d7
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 177KB
        • SHA256 93ad6d3241391a25d7712a1f9fe3cabc6a5af307dd155274ec627f0511a25d54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 d47f36305c57a449d1209353c65cf916990d10c10bbb8dce40387ad034ead9fe
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 a163fb2b2d7cf2c5f4b08bbb02846819bb6aea66f9c32942c5ae71748ff58fa4
        • 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 3cfb40866c3a57117cfe8f4debfa50c3f681a955076bac48f2fb29c5af1b21ab
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 c6945c8a97335e0c56c727cfc8f7e2f39917d711ee8e27008eb8620bef3860f3
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 3b6e2485f23112f75a583b0009464412cfcd2b75383d0808abc7db4a2e3308c3
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 7f0ad00fec9915d961b9a5fd9b7c324618b8c6e94e04b10c9461df06436872b9
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 32bc54fb652548fec5f2ab0bdf726af9515da7ff73e204f5137fd10f26b2134e
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 9379a018eacf6b5b8c7b960ed683e238e258fde5b3e9e1ecfdd2023f1c73f4ab
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 023fa4f8c6989d8b99c10cb84322d7d06779a56e811598861773f9bb3e528d28
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 b3da72b8ae08555e047404e3c7a66ccd219fe8591e7bca65a9363175fab84584
        • MD5 SHA1 SHA512 TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
        • Size 7.6MB
        • SHA256 e4fad5c456e6750e09a5452fe6f0dfed6b24a2da7a9578277a0ea8b2625b4e2e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
        • Size 7.2MB
        • SHA256 5ed7de0dc0f3a841b500eedaec8bc2ae909457031e6387dfe5ae41b54903735c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
        • Size 7.0MB
        • SHA256 b543150642c5afe9e43114e0179cd229dad10348c7026315089d24e5294e2b22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
        • Size 7.1MB
        • SHA256 735ee6045d7001a84809c754d77c1c2cda93101ca850ddfe05d3f70442cc54fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\UserSession.exe
        • Size 6.5MB
        • SHA256 0038767546a4b432a868d41f4dc8ff1b02fb2e275c476df3c53a498dc273d38e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
        • Size 7.5MB
        • SHA256 bf294a1fee19a19f6128a92747eaa300510de0f17998c079a401b47bf967f07f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
        • Size 7.4MB
        • SHA256 e133f02c764057eb05ccc215e60d537e62dc62997ba01f17535b02b7cb9eaafd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
        • Size 6.7MB
        • SHA256 63650e9fd4034cd2be8047a12f69a52531043ab48e2716ef2e3ee928f127a039
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
        • Size 7.3MB
        • SHA256 dd2ad2438c637c2f97d9e51ac0123b3b6fa235c99aebaa7c0ff4a78939f7a2e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsHost.exe
        • Size 6.6MB
        • SHA256 afe5e5c518ce1cb3c4a2ef623cb72081caab089bea627ccbb95a376b379d7055
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
        • Size 6.8MB
        • SHA256 2181bd0ea078a4771e944c13d6837e4230c86a3824002975bd4051fc6b324af0
        • MD5 SHA1 SHA512 SSDEEP TLSH