Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    14/08/2026, 16:50

General

  • Target
    c36a3a0cc66b907a04bff58deb74e17ed59fa6fdb14b9e0b430294699fdee2fa.exe
  • Size 2.9MB
  • Sample260814-vcbw4sysby
  • SHA256 c36a3a0cc66b907a04bff58deb74e17ed59fa6fdb14b9e0b430294699fdee2fa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Detect suspicious telegram bot 4 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 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 4 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c36a3a0cc66b907a04bff58deb74e17ed59fa6fdb14b9e0b430294699fdee2fa.exe
    "C:\Users\Admin\AppData\Local\Temp\c36a3a0cc66b907a04bff58deb74e17ed59fa6fdb14b9e0b430294699fdee2fa.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:1752
    • 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:640
  • 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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4696
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2152
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\DesktopWindowManager.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:4260
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:928
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SystemHost.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:984
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:3476
  • 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
    • Suspicious behavior: EnumeratesProcesses
    PID:5064

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 a260437fca4d9dd9aaf76ce01f26be0e0d1c5e56d21e38914bc05f6657f68aee
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 f6c143fffada5b2e0a749b4b28a44c889254652cae15113b5ecc12d2bbbcc114
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 efbb24992ab5b77fd0b03dfe8a140b15d09d063aae9542f24d012cce2e62f25d
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 77f14c14716d693bbdf9e396725b1166e0b87faba031dff7520ca59116a0962f
        • MD5 SHA1 SHA512 TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UpdateService.exe
        • Size 3.4MB
        • SHA256 8a0ce4f9fe565d514b76ed1e3bb6aedc5d8a9795c4a3f854188243fc02317d46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Local\Temp\CoreSystem.exe
        • Size 3.0MB
        • SHA256 52b32b8aa8c7318423e7c547d21cb3274a42ff778e3c7e3e837d76e209f589a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
        • Size 3.3MB
        • SHA256 f01f794825566e3ba9927e8ddaa15b017d4154ed5b9802b91c53d64f2afe12d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\DesktopWindowManager.exe
        • Size 3.1MB
        • SHA256 9844cd369146b904cbd7bb4e2ec2f323e9250038c0e9b052d1c73879b0f2576a
        • MD5 SHA1 SHA512 SSDEEP TLSH