Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/08/2026, 16:06

General

  • Target
    b892fd5536558cb6e0076ceaa68939c32cbfd56e7f48544a7d2111ac2f4d4d30.exe
  • Size 9.0MB
  • Sample260822-tkcyps1tet
  • SHA256 b892fd5536558cb6e0076ceaa68939c32cbfd56e7f48544a7d2111ac2f4d4d30
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 16 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 12 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.

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b892fd5536558cb6e0076ceaa68939c32cbfd56e7f48544a7d2111ac2f4d4d30.exe
    "C:\Users\Admin\AppData\Local\Temp\b892fd5536558cb6e0076ceaa68939c32cbfd56e7f48544a7d2111ac2f4d4d30.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5964
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3912
    • 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:2436
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:64
    • 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:4208
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4524
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3772
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5536
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3268
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:912
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsInternal.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4396
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1584

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        09EC553619BC82A45E441B5D9BEB4136

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\09EC553619BC82A45E441B5D9BEB4136
        • Size 280B
        • SHA256 f972875e70c1d8c955370e51cdaa2b30490a3310e08c9e21d4692e6c275b845e
        • 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 316B
        • SHA256 9066534b093088a317bb7df20fec902d509d2b711c016a7d7600e2716cb4a79f
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 9b8085f5dc24d05d7dd764dad7e560f489b70b9caa373e84944b35b94f044403
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 168KB
        • SHA256 6288fc0d442950926078419b25590df1326fa5563f21304b56e0b98138abfa6b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 977B
        • SHA256 c738bb236a09684bb5c7c09309854db3abc3bc56034165fa4f8156a3e5a5439a
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 811926822205ef753511f52cce9d4213e86703634b394a4b68543fb886ad60a9
        • 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 d9bc8fce69b174f0fdd7d484fe921cf3d97ec6b57f119a20c74265ea5fd1c861
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 1af1a335564367849d19d069b43c7d7c35ff03fe53d8438fc8c96b6b8846dc82
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 908f423aac52fbba74ca5c417bc5ff5380ae812a60f6f6888c97a1313eb4553b
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 f2a5c81a4455925dd801d00f4b1f931824d19181302816a748c47d68d54a280e
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 27fc11b5368d6a37bf64de4b6aa67c869a69892fa05b5674eaf5ce8a0b3eab69
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 d72a72778c9f513539e1a9a92d0e086565b7a0f4ddc0040bf21e94b25d824375
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 3dbcc0e84ac8615ce70e962c6fe3d19e60f9ae50b32f8ff8679d30afb02925b8
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 09d01e679afcc4ea108b68e3d30f7d355b23c98b8c3cc42294124dd4bd7303d7
        • MD5 SHA1 SHA512 TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\WindowsInternal.exe
        • Size 9.7MB
        • SHA256 788bae1cbbf368ca41b479a79d83b3b0d5f5f472a869ce3d37ea90464effe3fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
        • Size 9.5MB
        • SHA256 b132685966a82747c082ee78458d91423d0b6b6f3f2062fbcb3037b9781c9213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
        • Size 9.9MB
        • SHA256 6eba2809b6b2008d3407badcbd93d52dc9738583d058a6193a8f453f38b68f8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\NetworkHelper.exe
        • Size 9.4MB
        • SHA256 36ced8e9af6728d08c445902ce1ab4eb6f29437bd8370dfe5106d6c15f2399be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsInternal.exe
        • Size 9.2MB
        • SHA256 95f4df9b612558d9e0c9d87d9b3ea12b01a1a9e8c2cd54f1433a8803472656a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
        • Size 9.1MB
        • SHA256 3de9e45d2b1c35e3a7fb41cfbe2a393b9b679cab46219081b0a1de4b4b48c933
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
        • Size 9.3MB
        • SHA256 d9fea48a2fc0cad35772b440adf0c0083a22e72895245a0178105eeeeb387009
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\WindowsInternal.exe
        • Size 9.8MB
        • SHA256 09a77a663e8e516d3e1ef3f727fdae3faddc034239a43b0d861a62c476a3fabf
        • MD5 SHA1 SHA512 SSDEEP TLSH