Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 16:09

General

  • Target
    a8c9a302487d4187b397abca6bc184e748210331889657fda128f429512e721b.exe
  • Size 1.8MB
  • Sample261022-tlsesavy8n
  • SHA256 a8c9a302487d4187b397abca6bc184e748210331889657fda128f429512e721b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 11 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 9 IoCs

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

  • Detect suspicious telegram bot 6 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 24 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 12 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a8c9a302487d4187b397abca6bc184e748210331889657fda128f429512e721b.exe
    "C:\Users\Admin\AppData\Local\Temp\a8c9a302487d4187b397abca6bc184e748210331889657fda128f429512e721b.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5944
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3424
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe"
    1⤵
    • Deletes itself
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5784
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\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:4252
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe"
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:6076
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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:5056
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe"
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4588
    • C:\Users\Admin\AppData\Local\Temp\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Temp\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:4164
  • C:\Users\Admin\AppData\Local\Temp\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Temp\\BackgroundTask.exe"
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsInternal.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:5004
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4796

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 62e0bbe17f08cc2940f18fc2be60c644114e2506ab7236048e43b276062afb94
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 4fb6be7d3a1cff6c18341968725caf760a8c498e04f12a9eff95756d1f58ba10
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 279B
        • SHA256 afc5ee13d6ed025c84384a46139bdeb43bf8b0fd9dd2aab6ba9c52c0e92cc634
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
        • Size 187KB
        • SHA256 9667be0cf0d3094e929cce7cf98e2ec34007d72763f21ae2df74c95e4da3948f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 ac3b9420d8f28ab9603b250a1645eb92d819b1e80938bc9a7a62db83694b8df6
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 64f1d5302f764b875376dd8a6921f0b91a7daee898203eb50acfbfbd905634fe
        • 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 79d63678b6126dfddf25b01f75988a870f913a22ada7876b51e3b52a1c3e06b1
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 da9eb7aaac41b256c10bcd930d43a066900d8e89b1a611fbed20a99e460f7400
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 f605d9b148963be42c076bb9e7678dd384ab9279fdd7a7bfad9cd4052377efc2
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 0e0866f5743e5a54e5ab2ed0adc5444c07ff493d4d59e5db416765ee6b52c52e
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
        • Size 246B
        • SHA256 17a5c65e1f112103cdad95291cff21014e4b1ee7483ce436f0620bbfe8ee0023
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 3d9f6dd558d02c1b532c920449a1637171e434e2009c7210de83cf554126a5bf
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 0e7e5d4c5d8cc87cec2ea6561171c7f23167a4ca857e9c965cf05be5cae4a2ba
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 e7beb1db8b1c5a1bdb0334c53174e150105e6a821cb3c5681259ae0e8b952f23
        • MD5 SHA1 SHA512 TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe
        • Size 2.5MB
        • SHA256 3bfa3789322f37c2a9dceaa42ae2a104d8e6c46045638af094dc813a783feb7a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SystemTrayHelper.exe
        • Size 2.2MB
        • SHA256 8eca6934ea951f6b4325018b51c59739c18b3188234dd724195cbb3dcf6725b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Temp\BackgroundTask.exe
        • Size 2.3MB
        • SHA256 8befde457f7decee6a92891e814b140bc905a4cf6e4d333e23c04820c3165e0e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
        • Size 2.4MB
        • SHA256 76914c2c19ac9c51e0f890f3bf12afa43a5a5c495a4f5f97bc91058b45a22ee4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
        • Size 2.0MB
        • SHA256 b283a59052eb560ace9aca6ed864f0b08675564dafb7f349997dcd33a9c7cdf3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe
        • Size 1.9MB
        • SHA256 0f1a25f0941023b2fed4fda6b4d9a49525de530ed17706eb09587732ba40561e
        • MD5 SHA1 SHA512 SSDEEP TLSH