Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 23:59

General

  • Target

    a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b.exe

  • Size

    144KB

  • MD5

    559922053a6b563aaaa46e8f096702aa

  • SHA1

    fd9646e886cbe6202538551a1de104b2f84dae71

  • SHA256

    a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b

  • SHA512

    d83389a3db888109f0acfe428f08a9dfb8a7e8a4dc6adec97c426f32080ff1e180f7bda6df3312bd51c49dcf623b824beebc2356aecbb7780caf3172376765f0

  • SSDEEP

    1536:K7QWlrZm72VWphZarM3mSWAcJxzAHs3a4x7DWnPigDUbHiMU6bbmNb:KLlNAAmmSWTAsq4x7inPNUbHiMU6bSNb

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 28 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b.exe
    "C:\Users\Admin\AppData\Local\Temp\a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Users\Admin\AppData\Local\Temp\a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b.exe
      72
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Users\Admin\nctom.exe
        "C:\Users\Admin\nctom.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4292
        • C:\Users\Admin\nctom.exe
          72
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\nctom.exe

    Filesize

    144KB

    MD5

    559922053a6b563aaaa46e8f096702aa

    SHA1

    fd9646e886cbe6202538551a1de104b2f84dae71

    SHA256

    a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b

    SHA512

    d83389a3db888109f0acfe428f08a9dfb8a7e8a4dc6adec97c426f32080ff1e180f7bda6df3312bd51c49dcf623b824beebc2356aecbb7780caf3172376765f0

  • C:\Users\Admin\nctom.exe

    Filesize

    144KB

    MD5

    559922053a6b563aaaa46e8f096702aa

    SHA1

    fd9646e886cbe6202538551a1de104b2f84dae71

    SHA256

    a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b

    SHA512

    d83389a3db888109f0acfe428f08a9dfb8a7e8a4dc6adec97c426f32080ff1e180f7bda6df3312bd51c49dcf623b824beebc2356aecbb7780caf3172376765f0

  • C:\Users\Admin\nctom.exe

    Filesize

    144KB

    MD5

    559922053a6b563aaaa46e8f096702aa

    SHA1

    fd9646e886cbe6202538551a1de104b2f84dae71

    SHA256

    a29540cfd504d03d7c0d8da4475220864ff2b0231d96643a4573d80693fae06b

    SHA512

    d83389a3db888109f0acfe428f08a9dfb8a7e8a4dc6adec97c426f32080ff1e180f7bda6df3312bd51c49dcf623b824beebc2356aecbb7780caf3172376765f0

  • memory/1884-154-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1884-155-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4236-135-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4236-137-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4236-140-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/4236-146-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB