Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/11/2026, 16:56

General

  • Target
    c55e532570a392944ea21bd333f0696159f8bf5277b28bea59178a8e4f7216a6.exe
  • Size 10.2MB
  • Sample261110-vf4fjagh92
  • SHA256 c55e532570a392944ea21bd333f0696159f8bf5277b28bea59178a8e4f7216a6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 16 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 18 IoCs

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

  • Custom signature
    Detect suspicious telegram bot 12 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c55e532570a392944ea21bd333f0696159f8bf5277b28bea59178a8e4f7216a6.exe
    "C:\Users\Admin\AppData\Local\Temp\c55e532570a392944ea21bd333f0696159f8bf5277b28bea59178a8e4f7216a6.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:3224
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\RuntimeBroker32.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3612
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\RuntimeBroker32.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:4816
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:1680
  • 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
    • 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:5308
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1196
  • 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
    • 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:3836
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1576
  • 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
    • 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:4284
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:5300
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:5932
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2080
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.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:2152
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:356
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\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:2072
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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 use of WriteProcessMemory
    PID:3140
    • 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
      PID:1448
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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:5576
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3676
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.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:1404
    • 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
      PID:1860
  • 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
    PID:3892
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\NetworkHelper.exe" --monitor
      2⤵
        PID:5908
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\NetworkHelper.exe"
      1⤵
        PID:1248

      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 280B
            • SHA256 d715bcb4b19603107a525ed1f402809d9884464f985e6fadb258be7065db3610
            • MD5 SHA1 SHA512 TLSH

            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 311B
            • SHA256 58d1fcf9271a586bfbfae53b7c3ff43bba20dcdcd44f08a483a57025b4ba6827
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 2KB
            • SHA256 3ad2ab88c78173824f34c3a8f78799a983e7907c17a767cefe92ec736b0017af
            • MD5 SHA1 SHA512 TLSH

            56E83C5857C173AD065FC47EB887B239

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
            • Size 236KB
            • SHA256 000d26ce6e3e1fc87a4b6e928ff9d67679707fca4a3b980e7375c83d168de885
            • MD5 SHA1 SHA512 SSDEEP TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 976B
            • SHA256 eb5d684d6c9c1fc72b425047f74e1d6ad36b190cc81f6cbfbd044bcacb132fb4
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 2KB
            • SHA256 3f13e844dec517f1b5ee52ea4bacb23645885531067da7597df44918b2655152
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 701B
            • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
            • MD5 SHA1 SHA512 TLSH

            09A184963DB18218E7969055927ED546

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\09A184963DB18218E7969055927ED546
            • Size 484B
            • SHA256 5e055e364d25dfa93ab670ff0afb1b1aef9a54f5224490b8e566ea3da7daf42d
            • MD5 SHA1 SHA512 TLSH

            103621DE9CD5414CC2538780B4B75751

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
            • Size 192B
            • SHA256 218bd327134fbb63ca04fe004b301491d558d63c2883d08fc05aa886ad14df05
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 488B
            • SHA256 f1eaba900519a62b09bd1873f2e5ce79e66f16250f5d98e886f8ccb0ae97da44
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 450B
            • SHA256 8877b978f813c905324311cf62d26c5681c14446cfd4e4113efbd111582e14cc
            • MD5 SHA1 SHA512 TLSH

            56E83C5857C173AD065FC47EB887B239

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
            • Size 246B
            • SHA256 39a461ef8737d21320fe642829b81ed2976ef0d45478f0ad7840d2db7b0d134b
            • MD5 SHA1 SHA512 TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 488B
            • SHA256 e2009082d7f3accabf7629d1968cbe2712bf068f685741c7d7e4e4d65e4b4a71
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 474B
            • SHA256 62651e67900d3950960d3c40d751e5c31de72340b8736c51e8835d854defdddf
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 0942da100e18a930cf12dc3e88269188fef08504580d28d576f0b460c6286f35
            • MD5 SHA1 SHA512 TLSH

            RuntimeBroker32.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\RuntimeBroker32.exe
            • Size 10.3MB
            • SHA256 380a9077fea0c853753affc70a2ab9597a883491c28c7955e4922ac0090ae95e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            NetworkHelper.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\NetworkHelper.exe
            • Size 11.6MB
            • SHA256 bf9b3b9378f2bc8c5bcddd083affb836129dde721f0281a2ffdc519b29ab42be
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
            • Size 11.1MB
            • SHA256 ee0eef25f23d6aa1bfddd4787619ac49902ac0e0c5a5252c8aff5210e7c42c82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsShell.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
            • Size 11.2MB
            • SHA256 6296a04ebe22e727bd7cfbbaa8a192aa06aa57bd36dc0c95cc08b7544baf6e82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
            • Size 11.5MB
            • SHA256 9b1a95fe36b3e1d994dcacbd4e5502220411dafe68adc2b3c626a734c1197974
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RuntimeBroker32.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
            • Size 10.9MB
            • SHA256 9508b05f6297bcdd32dd70db1e6ab90894e54eae9b09ccba26dc56f6f6965e25
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsInternal.exe
            • Size 10.7MB
            • SHA256 2d04ef4fc5040c3b8d647f91d3b059e5f965e0ad214c379412a8fd66cec95c5e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
            • Size 10.8MB
            • SHA256 ab965a8ff2bcf365b8689309d69d1a904afd9eb67819c5b7510532872bfb3497
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
            • Size 10.4MB
            • SHA256 141ea80d6c1bb056070364e251beccfb8c283b9eff95c1eb3e5f4567f2934297
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UserSession.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
            • Size 11.3MB
            • SHA256 5fc2c9f4e7881b73ff7573496b75f102e930e06c72b83edb26b88d6bbbc6a69e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
            • Size 10.6MB
            • SHA256 ba941db3ee1cec072963111dbf16f1bd054f8c1f7f220a4c28fefddf91738f75
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsShell.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
            • Size 11.0MB
            • SHA256 ec22cdf6158f3f1e2e5d0d18ddb99285b2e34be9e81bf92af4248870a62d5dbb
            • MD5 SHA1 SHA512 SSDEEP TLSH