Analysis

  • max time kernel
    147s
  • max time network
    153s
  • 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, 19:40

General

  • Target
    b3b104041ae4b316a5be746acaaa46513a2505c07154731b33f4224951d2e8a5.exe
  • Size 9.8MB
  • Sample260910-ydqcnsed93
  • SHA256 b3b104041ae4b316a5be746acaaa46513a2505c07154731b33f4224951d2e8a5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 6 IoCs

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

  • Detect suspicious telegram bot 8 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 15 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3b104041ae4b316a5be746acaaa46513a2505c07154731b33f4224951d2e8a5.exe
    "C:\Users\Admin\AppData\Local\Temp\b3b104041ae4b316a5be746acaaa46513a2505c07154731b33f4224951d2e8a5.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3400
  • C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Temp\\WindowsInternal.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:3476
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:752
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.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:692
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3396
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.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:2484
    • 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:2384
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3316
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:696
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • 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
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3412
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4128
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    PID:3628
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe" --monitor
      2⤵
        PID:1224
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe"
      1⤵
        PID:6080

      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 7d0f6df5f36e062a516cedcbfd4ef40616adcd767ec1d8b14ef85961122408d2
            • 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 05f55cd741ebf04fa6143cc1279f95b44c856f1efbd611312ea2cd1793a0b673
            • 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 a3a8ac73537b0542339a9524f7e0ebb38b8a29df536d89ed5087abef6de34fff
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 488B
            • SHA256 e148114e9d2f7ca593399cce7b967c4bb0c867f2a614d05804c381de8acdeb04
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 450B
            • SHA256 48cd62895f46c72bc249fc7d0b02a7b0790814d8351a7c48d53734411c5972fd
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 484B
            • SHA256 ed15880f6cb6b971bb89511e3ed498404c50bd5233823d8608826ca30e2fdebf
            • MD5 SHA1 SHA512 TLSH

            49A7F8B8A2FD8A9E65352CD7C88B1D10

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
            • Size 248B
            • SHA256 89530b858e6906899956b85de3c1601aa9648b342d4567d866a7477959118ba2
            • MD5 SHA1 SHA512 TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 488B
            • SHA256 ff3a021dca521a27bb51b225cf2b69edbf1eab063b943a4e27b50a54c1d288c3
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 474B
            • SHA256 da15422eaba6e175a2fc7a78691256ff96d226ba0ca688d1ebe03c27c982db28
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 d8f4b471d7d343f8011956d9221e2d831c059d68be1b8be62e9bc2bcc2cd8886
            • MD5 SHA1 SHA512 TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
            • Size 9.9MB
            • SHA256 90f89f048e85c4d876afe069801a7f84275479d34917985670ecf14f133ce7b5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsShell.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
            • Size 10.4MB
            • SHA256 e07253332cc2c441ba700b14396521afee5090d3f0679031bea8c0182c5598c3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
            • Size 10.3MB
            • SHA256 781b516df927e92f64aa9e39c291cd08dec96b137cf2e9251ec87e92d9942453
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SystemTrayHelper.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
            • Size 10.1MB
            • SHA256 7a13c3d1f60925ce17334a5e3f18ef23699ab5f8feeef1c6a2f3826708382457
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe
            • Size 10.6MB
            • SHA256 2c41c04836829814a4a49b2c2a09dce2d49ac648505992ea66bf23fd7990255c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
            • Size 10.2MB
            • SHA256 c7eb133269269cbeb5cdde799fb7a6ff88bdc4759f78aa407ba89ac788b382cd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
            • Size 10.8MB
            • SHA256 9fa7ce32189daad8d18807cd1cd81b842e6124ab33212d22f29df1a664b16c69
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsShell.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
            • Size 10.5MB
            • SHA256 aa4911f53ac39fecd8cdf2f861852a8ae2820ea00fd809537a7d802ceb75f7a0
            • MD5 SHA1 SHA512 SSDEEP TLSH