Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 16:06

General

  • Target
    677c510823911ced0041883b0eff9f9ca5badb8e467f18ed3965645b72e5931b.exe
  • Size 9.0MB
  • Sample260816-tkcmya11f1
  • SHA256 677c510823911ced0041883b0eff9f9ca5badb8e467f18ed3965645b72e5931b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 18 IoCs
  • Adds Run key to start application 2 TTPs 14 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 7 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).

  • System Location Discovery: System Language Discovery 1 TTPs 19 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\677c510823911ced0041883b0eff9f9ca5badb8e467f18ed3965645b72e5931b.exe
    "C:\Users\Admin\AppData\Local\Temp\677c510823911ced0041883b0eff9f9ca5badb8e467f18ed3965645b72e5931b.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1200
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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
      • System Location Discovery: System Language Discovery
      PID:3396
  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4136
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3680
  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5484
    • C:\Users\Admin\AppData\Local\Temp\InputService.exe
      "C:\Users\Admin\AppData\Local\Temp\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4712
  • C:\Users\Admin\AppData\Local\Temp\InputService.exe
    "C:\Users\Admin\AppData\Local\Temp\\InputService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5788
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2008
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Users\Admin\AppData\Local\Temp\UserSession.exe
      "C:\Users\Admin\AppData\Local\Temp\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1292
  • C:\Users\Admin\AppData\Local\Temp\UserSession.exe
    "C:\Users\Admin\AppData\Local\Temp\\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1488
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\SecurityCore.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4288
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\SecurityCore.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6024
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:4952
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    PID:5328
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe" --monitor
      2⤵
        PID:3440

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          09EC553619BC82A45E441B5D9BEB4136

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\09EC553619BC82A45E441B5D9BEB4136
          • Size 282B
          • SHA256 a7e3ba5c844a8dae624021af089b9862e81e7b071fc021e000b96541aea11a1e
          • 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 37765ce9f198a9aae9d465643b2a44aa150bd915040e834ed087ba4a8b396025
          • MD5 SHA1 SHA512 TLSH

          223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
          • Size 2KB
          • SHA256 81de5b59b06ba9e5811b2955c3484db3bb7019d4caa0e75dae263d4701bdb1d6
          • MD5 SHA1 SHA512 TLSH

          49A7F8B8A2FD8A9E65352CD7C88B1D10

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
          • Size 153KB
          • SHA256 67f322e3d504e30f7e28932e8a645c9e285d7a849b496995553d18d1cf3741ff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
          • Size 977B
          • SHA256 9b9892684065eec656347a9a8ec9486e4829777bd3d726d47430654baf307ac0
          • MD5 SHA1 SHA512 TLSH

          DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
          • Size 2KB
          • SHA256 264b7427d49334ba0d69204d7d91e70f1cbdf3f9856f6e84dc0262355bd39ec7
          • MD5 SHA1 SHA512 TLSH

          F15827BEC5BABE89C21DCDAE77464BF1

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

          09EC553619BC82A45E441B5D9BEB4136

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\09EC553619BC82A45E441B5D9BEB4136
          • Size 488B
          • SHA256 f480ddb2e5635b306b1e9cf441cd261dbd53921350502f8d0d5b448d5369e344
          • MD5 SHA1 SHA512 TLSH

          103621DE9CD5414CC2538780B4B75751

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
          • Size 192B
          • SHA256 e96ecc0df0566f54f89dc40afa82a712300a9d78203e00f4d3a8b291242d828a
          • MD5 SHA1 SHA512 TLSH

          18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
          • Size 488B
          • SHA256 13190a909f3916b8adbdb3bdad51f9f285b72a93d55fe13079e56b14c6ec6806
          • MD5 SHA1 SHA512 TLSH

          223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
          • Size 450B
          • SHA256 20c3a1ad618c69f65ad2d8e57ca713eb1ee40de1bcfa231c4abcb0999d33c4b0
          • MD5 SHA1 SHA512 TLSH

          49A7F8B8A2FD8A9E65352CD7C88B1D10

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
          • Size 248B
          • SHA256 c2edcd0ffb20bf4f4d7d48b3cc78dd2cfdcc16a092af478ad3d293163e1f23e1
          • MD5 SHA1 SHA512 TLSH

          D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
          • Size 488B
          • SHA256 76cba663fae5f1c8af3427dc40e965f372b016c5a5bbadf791e9e7abcd76d950
          • MD5 SHA1 SHA512 TLSH

          DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
          • Size 474B
          • SHA256 5345b1d4a29762960e5fdc29617cccc8c24ec1d0c1cff7307b05e90f24bec9af
          • MD5 SHA1 SHA512 TLSH

          F15827BEC5BABE89C21DCDAE77464BF1

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
          • Size 192B
          • SHA256 3b7295ba99d67de45a70fc98e27dba63890253e95931c84da5d52f19d4d446a2
          • MD5 SHA1 SHA512 TLSH

          RuntimeBroker32.exe

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\RuntimeBroker32.exe
          • Size 9.1MB
          • SHA256 13ece733046e6da956e824bf62df40970ed74b332e39d282d08dc9fa37503914
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WindowsShell.exe

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsShell.exe
          • Size 9.2MB
          • SHA256 0fc26cb6e4cb236b60034e9f5ded117ed9bbb7bd904610de31df0d85af3305e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UpdateService.exe

          • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\UpdateService.exe
          • Size 9.8MB
          • SHA256 df4442201e03af28a235498931fdb1c1700a8110dc47d385e0bcdc799ba0e0c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          InputService.exe

          • Path C:\Users\Admin\AppData\Local\Temp\InputService.exe
          • Size 9.4MB
          • SHA256 fd6a5bee6894e07150aa9ace1496d7a88b6ce5f19bd5d4423f3b276055fb7fa8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UserSession.exe

          • Path C:\Users\Admin\AppData\Local\Temp\UserSession.exe
          • Size 9.6MB
          • SHA256 c9b31de8d79e16be9964bd1740576585087d29d3bece71c62d9ed7ca2ad0a817
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WindowsInternal.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
          • Size 9.5MB
          • SHA256 1c5316faa458194b3bd49f7c82d9b78cc6af5a17906d0b5a895ec2d380d33524
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SecurityCore.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\SecurityCore.exe
          • Size 9.9MB
          • SHA256 03d39b50513d3c157f47c77fbb6fee0014b2fe5dc6c33d0e6ae5384189676e87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SystemHost.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
          • Size 1.6MB
          • SHA256 581ea8c969d2b445a99fd19e45b0f9ba83ed34eb78afdd87bc2331a899504537
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SystemHost.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
          • Size 1.3MB
          • SHA256 88acea3712a382c0f53040ae8318f4dd3e47cca7ef3b7e0ae545f4f88c6f6526
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RuntimeBroker32.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
          • Size 10.0MB
          • SHA256 ce30b1743f5ec8cb8a300332dd8d67394512286931662a95d38896a1381bdebf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WindowsShell.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
          • Size 9.3MB
          • SHA256 82dcc276fa6c93e6e255e7a0a5e7a4151fef426c45f3d6f1e2879ee1eab03fe8
          • MD5 SHA1 SHA512 SSDEEP TLSH