Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 16:49

General

  • Target
    6b7f82f9d8d95c4adb8efa4e55131e53382b5840c0857464eeeda52291ca3547.exe
  • Size 9.1MB
  • Sample260825-vbv9cswdnd
  • SHA256 6b7f82f9d8d95c4adb8efa4e55131e53382b5840c0857464eeeda52291ca3547
  • 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 10 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 8 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6b7f82f9d8d95c4adb8efa4e55131e53382b5840c0857464eeeda52291ca3547.exe
    "C:\Users\Admin\AppData\Local\Temp\6b7f82f9d8d95c4adb8efa4e55131e53382b5840c0857464eeeda52291ca3547.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3244
    • 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
      • System Location Discovery: System Language Discovery
      PID:2040
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe"
    1⤵
    • Checks computer location settings
    • Deletes itself
    • 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:1364
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:688
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:4816
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3900
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:4200
    • 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:3284
  • C:\Users\Admin\AppData\Local\Temp\InputService.exe
    "C:\Users\Admin\AppData\Local\Temp\\InputService.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:1020
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3420
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.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:5000
    • 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:1132
  • C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Temp\\CoreSystem.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:4460
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1272
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.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:1248
    • 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
      • System Location Discovery: System Language Discovery
      PID:3936
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3408

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 55fc8e1cdf129ad0a0206ec4abb9519e7ad53b812897eb11a2c62d6bb15f62c3
        • 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 46192fd99dd14ff84abbad0a5fe7f97bd5c0f69f6ccece10e35b752d5fdf0001
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 175KB
        • SHA256 773121b352694c89359d8f1a20439a25a08375742d2082056a8822676c2c7d99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 06e16fc816cd78ffb99afac3ddb8b50e6aec5ca8ccc83e66de02bdcaae6d3567
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 a76a7ad4c4e2370c88684ae00494244a210406d32358c6c2708ff0aac176b640
        • 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 9489bfcde92ea5da221b7c49dad2c4a1ddd2aa3dfb9dfb465f7e7981ac203051
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 7cb372cf4388f071510ce3732b9e0d81f155e5bea5b6f955cc743cda5160a51f
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 e1bd0dd7d1571bc44c2a34309c09489201252a9fac32b95db75b6bee8933097c
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 e3ec0d8cfbc988740741d065e14ec76a7f1722d2075ea27f1d0cb59ff10dd6ab
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 afaa32674934786c55da1572dd09668e41935437003ac3995314286836e6779d
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 584fe6f8c9be3fd6af031db82dc4b3a0688adac8de7c0d012e2a5918a30b13aa
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 618ac7dac5ab5b3838a4d1968fe6431b5c37a2d892a4f45dd004dbeebb481df2
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 2ddcd79de0703b3be472fdc8a2afc54dd727669e90feecfe0970be1df5acce84
        • MD5 SHA1 SHA512 TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
        • Size 9.9MB
        • SHA256 9735eadc0bb66232c50f008798cb3918adb592e464b38d65dd13c7feaaeb381e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
        • Size 9.3MB
        • SHA256 5d007084f277fa15fe5c89f79b33280446b3b8d1cfd2d79a49665aa825f987f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
        • Size 9.8MB
        • SHA256 ad96b36510acd7fddfc85a49035ceb97a610455ae1ee930c1675ecfe4096d0a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\InputService.exe
        • Size 9.6MB
        • SHA256 ca52efdfad932323245baf1a53252950cfebdfdffc5e6c9178276bc496d717d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UpdateService.exe
        • Size 10.0MB
        • SHA256 e5fb7ea429111a9d45caab53e4318c269296b2bd7820cc0135a67d6b2812a4e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
        • Size 9.7MB
        • SHA256 ffdd9a9e698a2f18e83f4e1234013abc6fbb053cdc7f43e4bfde7d4990d0b917
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
        • Size 9.2MB
        • SHA256 ab297fc6d46b3a79be79eb31d4344e024e58378a2bf232532166fc251c4dc7d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
        • Size 9.4MB
        • SHA256 64e6426cd431081a72d6194f4072108232777fda3c4c199dbdfde7d58bb48a91
        • MD5 SHA1 SHA512 SSDEEP TLSH