Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 17:31

General

  • Target
    a166ef36b9e9008afb6b46f34ec8f141961fccb236e40736c592c9d3715c320d.exe
  • Size 9.6MB
  • Sample260910-v3728sv1ew
  • SHA256 a166ef36b9e9008afb6b46f34ec8f141961fccb236e40736c592c9d3715c320d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 16 IoCs
  • Adds Run key to start application 2 TTPs 12 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 8 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 17 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a166ef36b9e9008afb6b46f34ec8f141961fccb236e40736c592c9d3715c320d.exe
    "C:\Users\Admin\AppData\Local\Temp\a166ef36b9e9008afb6b46f34ec8f141961fccb236e40736c592c9d3715c320d.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2396
    • 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
      • System Location Discovery: System Language Discovery
      PID:4928
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe"
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5908
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.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:2420
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2224
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.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:2416
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3484
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.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:4404
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4112
  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6120
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2308
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4780
  • C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Temp\\CoreSystem.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4640
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5956

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        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 6ac45142693bd1c458512e3b8def1881e3fe3a81b85425044c0f460d67eac362
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 407466a7bf7a775973c4c9f5277feec33d64debdc13b130e25446b9b5af3893d
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 281B
        • SHA256 0e88a5f0db492c6d183a9c530238a34b60ddf8e643d59bb067a8bed73f3b04d7
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 177KB
        • SHA256 6ba279264dee83e77b29b9f11f02c78b1a29f1ff4b217f85a3ef0eb68e37830b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 d47f36305c57a449d1209353c65cf916990d10c10bbb8dce40387ad034ead9fe
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 a163fb2b2d7cf2c5f4b08bbb02846819bb6aea66f9c32942c5ae71748ff58fa4
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

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

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 6c21e1b45321b05e989e63dd03131a3a273cd1314ff1885a7ee548d8bd6207f1
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 a71b91ee65b3c15186eb91fd256d71a7a6f965e512ec6f99d2627022e9397d07
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 bd192156930930cd49bb31c53634cc385723bc3ddcab4060df47cc01829048e8
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 35242ec14bd24896cf3c58dc353bf0548c8e6b182e3bdff69da919b8f4a52e30
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 3b4559c18bf63b47a1e6c65942582bd962c751d376e3b940ef13e2bdb88537a0
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 b1b659d502440cb8ad1ec6a5e8f6bbeb3f483b8e66bba0968f2608f2e0e98edf
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 20e282238d24013499626117b55daf34ef982edd47b194d201ce1f5dbc4dca94
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 8ddcbea94f1d90cd1dc64e97dad68b5f00ece551f5e47f2e53c247b2d85d1dcf
        • MD5 SHA1 SHA512 TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe
        • Size 10.5MB
        • SHA256 f6631c84c85205fd96d218806b9a425e52ef8dd8ecb2bdedb719f57033163462
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
        • Size 10.0MB
        • SHA256 cf723c1569546d378dd34bf1a2b9d1e88531509a205b89c14f23bdc21f836064
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
        • Size 10.4MB
        • SHA256 a5902286fc900b04ce73bc98c52c9e4e6802ae136d642e51df48c85272a9a600
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
        • Size 9.8MB
        • SHA256 b20bc375382000904fe4e22dfef83b69ede7770b2a344f77474417fc66b496e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
        • Size 9.9MB
        • SHA256 7a8adc6a0afe96343a2ad52c5ec9bb38cb44e86f0e81ec997bd83dbfceb3e7ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
        • Size 9.7MB
        • SHA256 6c9011782c17988f6a36bbdcc0a54089c36db5037ab84e503a3c9b8904193601
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
        • Size 10.1MB
        • SHA256 8d4e90e722a6b437c41fe6d5e72f358508fb93dc01e1939e000f5f3989d05e04
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
        • Size 10.3MB
        • SHA256 d977d8558ac0afd7a6f35bc9e82bfbf8fe4def1b7ee416dc9f0adccbdf80ae1e
        • MD5 SHA1 SHA512 SSDEEP TLSH