Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 19:20

General

  • Target
    3a3cf57a303acdcb14d10f31262614781886b05905af7c25b9d75e8f46e59993.exe
  • Size 5.2MB
  • Sample261102-x18xvsgb69
  • SHA256 3a3cf57a303acdcb14d10f31262614781886b05905af7c25b9d75e8f46e59993
  • 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 13 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 16 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).

  • 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\3a3cf57a303acdcb14d10f31262614781886b05905af7c25b9d75e8f46e59993.exe
    "C:\Users\Admin\AppData\Local\Temp\3a3cf57a303acdcb14d10f31262614781886b05905af7c25b9d75e8f46e59993.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:3684
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:52
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:5808
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.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:5160
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:2948
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\RuntimeBroker32.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:2744
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\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:4308
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:1732
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5536
    • C:\Users\Admin\AppData\Local\Temp\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Temp\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:4108
  • C:\Users\Admin\AppData\Local\Temp\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:4768
    • C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5236
  • C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Temp\\SecurityCore.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:200
    • 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
      PID:2512
  • C:\Users\Admin\AppData\Local\Temp\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Temp\\UpdateService.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:2712
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\NetworkHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:3564
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\NetworkHelper.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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 use of WriteProcessMemory
    PID:668
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:2932
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:2896
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1692
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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 use of WriteProcessMemory
    PID:5368
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4248
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:5948

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 30bf9e443363caee061b86be58112778c9f3dcde80c66ac4c60fdf8c866af235
        • 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 314B
        • SHA256 65cc31e83cd11721336228a00a70c171ef4c49a10eab5f13f1a7bc5a739be077
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 eeba956cfcf0d69218d0e0e411247bde9cca90e1a03b17f796d3e129c85ac7d3
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
        • Size 201KB
        • SHA256 8afeaf847de5a7e2ea7690aa6860cd81a76f705194eea80708efe2095049c1c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 975B
        • SHA256 22917f0998a115ad62abcf80585186d3491654ffe8e03750561436cac45be474
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 84a2b3e262f27d54ebd9d19edc41753d1c232e6c6ba8905d14ddd3810945c2d8
        • 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 ca0b6f7c6be394182a84c75b342c2ea6c1ed8d4fdf20c9b924dedf57ee015ec6
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 dd0b9df0a1072741f6fdaed60286506cb3d47e5647fa127869e0f08d7670440a
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 2b4d375596de29df7784594cb9b0bd08d372b15e201417cc70548102b78a4ab5
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 49adda5a72de1243519f792a75f0100b3837c3e0767e4253734711082a20ac7d
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
        • Size 246B
        • SHA256 285afdf8deb0ac271e40c76eda1f43fc8f2909f5c67781063d1dbd2e79f1532c
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 610a1b2d2996b8ce1ca913fbfe926299b3c5f2611a3f9a985adde6e23d32bdb7
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 3f97b632db29b5e00f7f9f0e83eb71020d895f63bf798e8c6c4ce5f5cc8f702b
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 08a9ecf6ca9a958c828eb74b9cddf1da0d933c84fd51fcfcfa463443572dd1c4
        • MD5 SHA1 SHA512 TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\NetworkHelper.exe
        • Size 6.1MB
        • SHA256 13f2a70c97252f8607f41a3c2b6335b14e7592e2987ca01049d46a24b3f72755
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
        • Size 6.3MB
        • SHA256 fc9750a9ec5a006f2ffad5e4974ecda9dbd56867ebc1b7f36059559c7120a1a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
        • Size 5.3MB
        • SHA256 a212fd7e2438d31b337a239c1c5ab1d57dd50f0837a9b0066f1a531ccdcb1c90
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
        • Size 6.2MB
        • SHA256 d27c1a34ae2ba8279eeac2901a63ac503b56b8f21ca3bd480681c5c7570a1ae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SecurityCore.exe
        • Size 6.5MB
        • SHA256 4d73d490533c57b5bf3d5f0d94c078bd0cbed84313ab9ef9400cabea5ffcc3dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SecurityCore.exe
        • Size 5.9MB
        • SHA256 6a1b8fb929d5ece28634da60c57f66ad374a146eb976da72692f17fc36d14f46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\SystemHost.exe
        • Size 5.8MB
        • SHA256 d56d57eb7ad069c8f92a169add58c5d5520bd9e0deb4543a6fa03a0d19792138
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\UpdateService.exe
        • Size 6.0MB
        • SHA256 bbf3aa00d45957a803a94e28a8cf848bbf35afd227605419ac33f781fcc3e0fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
        • Size 5.7MB
        • SHA256 5005f4294aa406ec1c42d4c0c62704b28331c08f6cb77a2482ed79a31dda5d75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\RuntimeBroker32.exe
        • Size 5.6MB
        • SHA256 7851300cb49695eac8fd357b2db1ec641100fdd3c3b40940d0a04a9026c379c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
        • Size 5.4MB
        • SHA256 57b935288c02d3c029e616e565ad15b2848d75a531b8f120e7b39c8791c7f6c0
        • MD5 SHA1 SHA512 SSDEEP TLSH