Overview

overview

7

Static

static

5

8cfb631dc7...cd.exe

windows10-2004-x64

7

8cfb631dc7...cd.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • 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
    30/09/2026, 15:54

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General

  • Target
    8cfb631dc7573e3834ccd84737690c86045d773fe435e250b412c6bb5eb2b5cd.exe
  • Size 11.8MB
  • Sample260930-tch5raca44
  • SHA256 8cfb631dc7573e3834ccd84737690c86045d773fe435e250b412c6bb5eb2b5cd
  • 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 13 IoCs
    persistence
  • 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.

  • 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\8cfb631dc7573e3834ccd84737690c86045d773fe435e250b412c6bb5eb2b5cd.exe
    "C:\Users\Admin\AppData\Local\Temp\8cfb631dc7573e3834ccd84737690c86045d773fe435e250b412c6bb5eb2b5cd.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:3280
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:900
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:3792
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.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:1140
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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:1088
    • 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:4804
  • 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:5580
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsShell.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:2496
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UserSession.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UserSession.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:6092
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UserSession.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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:5712
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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 use of WriteProcessMemory
    PID:1536
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:752
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:6112
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:3740
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Temp\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:5696
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:2368
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:4288
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:3276
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:2724
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:4068

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
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 313B
        • SHA256 acb9d981851f4c3271fad627cdfda2a2d8599028a2b9b0f06fd24acd3767dcad
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 4089a029559e71c200fb4354e56ef91a2a37829816917233cc62f1ef8228d5d3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 280B
        • SHA256 b58f7696fc81ea50570304ba19a94ac07ef88f00cb18545c035b4dc13205bfef
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 183KB
        • SHA256 ce00742bc72fc36601c601a68234b3b03a210569f7923008315d3867d7017a4c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 e0e7336a1c7c64caa65ecd69b0c3a40929a71e78b54170a9296636677e6bd991
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 132c75bfd291b9f783c174e8598359524c23f8e68b8fc9ad44071b2d508cf669
        • MD5 SHA1 SHA512 TLSH
        Submit Download

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

        103621DE9CD5414CC2538780B4B75751
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 971989f739d76430d91fb41c3fbb562ac61df0d061ced9e411ce8195939fdcc9
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 cb2f96b7649d602d882c0fafb17c4f1b61eb38b02c389aa8d50c288d7843a244
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 1cfdc70374f69a4b77d4f7b5f60b7ee0079b6b32591c4319ca599a53a61d74e8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 6c2a3bcb7d2d6a334d8f0e4e6355bd39d0f6a5c2d9a1ef93ec8318489a99e72e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 58c7361243dff2a1493253a2b680342ad7dec6108bef024233e35c658547bd09
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 7ff1088c00456501c1ad95b497cee01feaa8223d2fca8ede114ccc1ddaef5027
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 7e0bfd75ae72064e58be29c1046cbc2f72a979a6ff8fffec3f286e69d61c882d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 37b59d16fac5199a40ea3d0d48fef2dd7e768d39532bb5bdc02b069bf17e6a4e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        CoreSystem.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
        • Size 12.4MB
        • SHA256 0d5624c907fc2214816ba3085c26fa87398188013a5e5beb4ec30cb74d1a0259
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SecurityCore.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SecurityCore.exe
        • Size 12.7MB
        • SHA256 66c1702c08faddb17a8bc4eacc04fb1d12e64d781a05ec154b2267a07946d54e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UserSession.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UserSession.exe
        • Size 12.3MB
        • SHA256 b21d98324168920df4a0d830512c6e413547fdb0158edb8945e2a7434db8a46f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RuntimeBroker32.exe
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\RuntimeBroker32.exe
        • Size 13.0MB
        • SHA256 200ea44959430bba487398f4252e48e74741d0eb0a5154fdf0f9f1efac6a94c0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsShell.exe
        • Size 12.2MB
        • SHA256 61795598e3b0689b60b83f13c307181acf3e11277cb6715148c4289a6abc9578
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BackgroundTask.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\BackgroundTask.exe
        • Size 12.8MB
        • SHA256 381ca174a9c15799bdc83c4b05db2a917b77580a112cc7f763c55095fad00cc9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CoreSystem.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
        • Size 12.0MB
        • SHA256 dfa3773b2f320445ce512df4ae607c98f1120af4a278f9f1046417df66cc4b29
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        NetworkHelper.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe
        • Size 12.9MB
        • SHA256 805564693bd2d768e397b645678d9495e1b858505448f4ab52c6eef27f8b30b8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UpdateService.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe
        • Size 11.9MB
        • SHA256 07031f3e462c18b8e19e83e3ccf2d1d649fc2007a1261657f5be0b81716ede54
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsHost.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
        • Size 12.6MB
        • SHA256 d9c56bc65fd12419b09d7539eb3682fc57e52b62652de6d1bbb9c19807b5c56a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BackgroundTask.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
        • Size 12.1MB
        • SHA256 bb7feb06abf205e1620bae6e0ec48d354f9d03716a9417bb6757a447d5fa7a79
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download