Overview

overview

7

Static

static

5

3cfc9394c6...d2.exe

windows10-2004-x64

7

3cfc9394c6...d2.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/11/2026, 18:24

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General

  • Target
    3cfc9394c667b1b476bd0304182cb42191d8038a18668b501059c86450ec8ed2.exe
  • Size 9.9MB
  • Sample261113-w15prsaf87
  • SHA256 3cfc9394c667b1b476bd0304182cb42191d8038a18668b501059c86450ec8ed2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 11 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 17 IoCs

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

  • Custom signature
    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.

    discovery
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cfc9394c667b1b476bd0304182cb42191d8038a18668b501059c86450ec8ed2.exe
    "C:\Users\Admin\AppData\Local\Temp\3cfc9394c667b1b476bd0304182cb42191d8038a18668b501059c86450ec8ed2.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:3128
    • C:\Users\Admin\AppData\Local\Temp\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Temp\UpdateService.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:292
  • C:\Users\Admin\AppData\Local\Temp\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Temp\\UpdateService.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:4248
    • C:\Users\Admin\AppData\Local\Temp\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\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:1752
  • C:\Users\Admin\AppData\Local\Temp\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:5332
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:460
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.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:4500
    • C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\NetworkHelper.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:2020
  • C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\NetworkHelper.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:1716
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:4788
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.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:3464
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5372
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsShell.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 use of WriteProcessMemory
    PID:5668
    • 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
      PID:1500
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.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 use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3532
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.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 use of WriteProcessMemory
    PID:1884
    • 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:1092
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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 use of WriteProcessMemory
    PID:1696
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2036
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2600
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:5684

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        09A184963DB18218E7969055927ED546
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\09A184963DB18218E7969055927ED546
        • Size 279B
        • SHA256 403542b4bd5e420670e3b7959ee7055639edffd718a0bf76adaa35a381016b3f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        103621DE9CD5414CC2538780B4B75751
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 836B
        • SHA256 10ce6a561968b29ac9d759ac8dbf69e4c2b2a775006fefbd7768f7515457a502
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 313B
        • SHA256 cf94097a835577e7a50ade379dc1cf297d67df503b071bfb12b85feb39dfa441
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 82a2024599fa3471a24e1225368b9acfef8668ee5acefce4499055a7394f5e14
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        56E83C5857C173AD065FC47EB887B239
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
        • Size 238KB
        • SHA256 3fab6ca463bebbacf075fd281317808bcd1bdf2bf05021179729c564adb7a85b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 fb386a0724f7eb8d3f20841a49dcd1f57ad982d2fe4a7fe40b0ae5266b5a9f5f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 dfe6e206ab998b9e29ed6b09639e999dfaa54fcdb70ffa04c1a626ab724b377f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 91b79e7eb875f3a0eecf676e8c38b189823f56078c808bce49bdc3de74693a54
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        09A184963DB18218E7969055927ED546
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\09A184963DB18218E7969055927ED546
        • Size 484B
        • SHA256 442f4552ea88d88109fc770bab792afb9950fbb4d21bb540f2373b9a407852af
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        103621DE9CD5414CC2538780B4B75751
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 ebfa2a33f42b520fd0c607d012d6c87e78e062dad9175ff4b1d028c49b306d2b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 cab3ed339422453400bd82e916841368534c6b81f8c91dceee02a379ae92f63f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 f08248f6f6c0732e16685931e8862764737e33c6dc541372a4ac15ef7711a20a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        56E83C5857C173AD065FC47EB887B239
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
        • Size 246B
        • SHA256 61139ae898fb039f874fcaf27a80c6edad0cf258c5911642df661e9f3585aafe
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 71fb82171be79f8527a0dd7d8e0b12349ea96fb8cc7506d1fc5261eab52faf3b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 b35249f521f96882d6a96d9a47bbaf715b305fb7ef2c6030ac8d741f329e730b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 c5b20594b2ff7cd58e1b61ca055e73df1221b80a62f401052c9aaf32043347e0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DesktopWindowManager.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
        • Size 11.1MB
        • SHA256 cd138688b711431e88a59af29948422c59e74c543f588ae26d03309aef92aec5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsShell.exe
        • Size 10.5MB
        • SHA256 075ca3f583b5e17fd8760ceea056f4e4c6800f596249e76a560d990cd869fe62
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DesktopWindowManager.exe
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\DesktopWindowManager.exe
        • Size 10.7MB
        • SHA256 f9d9a57e150778d4a62b05471faff0109ca493dc73243f41dc49300057f683b3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        NetworkHelper.exe
        • Path C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
        • Size 10.3MB
        • SHA256 11f1f569d8d97cb39bdbf9ef94dfb5a9242e2d4193ecbda6006ff3e7fedc0895
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemTrayHelper.exe
        • Path C:\Users\Admin\AppData\Local\Temp\SystemTrayHelper.exe
        • Size 10.1MB
        • SHA256 bd9b268f0b532a2beec598328227ca65431eccbe674314bd15a1c4da94b4c72d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UpdateService.exe
        • Path C:\Users\Admin\AppData\Local\Temp\UpdateService.exe
        • Size 10.0MB
        • SHA256 8589ba463e16806c45aea8b7b802b9b7a4d7f52f26dd9d09cda501c2721f5d45
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InputService.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
        • Size 10.8MB
        • SHA256 f178eed08471ee42011452e91283367165c63b9a08650043616be4bd93a982bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemHost.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemHost.exe
        • Size 10.2MB
        • SHA256 1ca28fc49a20ab60cb6845fdb704c40c7a6fcfb1df958816af2b3616cae54ee8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BackgroundTask.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
        • Size 11.0MB
        • SHA256 b57d13cd91a4af25291ab032964f28f231c78284a974dd66e7b15831df338aa0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CoreSystem.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
        • Size 10.4MB
        • SHA256 3a78765c008426a3019d8efbf5b9f5cd2bfbf0bcaeb8731c1ffec27581ce09e3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemTrayHelper.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemTrayHelper.exe
        • Size 10.9MB
        • SHA256 80a47b21df3c69f6d44d59ac6c0924d741d5cfba30d285911dc70448e9abbd2d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download