Analysis

  • max time kernel
    43s
  • max time network
    80s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    20/02/2022, 08:43

General

  • Target
    318963e919790a5ced29f618ad9c1e25ec71c16b11a89674fcf390aa1fb776c8.exe
  • Size 146KB
  • Sample220220-km19msafc7
  • SHA256 318963e919790a5ced29f618ad9c1e25ec71c16b11a89674fcf390aa1fb776c8
  • MD5 SHA1 SHA512
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2312
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:2340
      • C:\Users\Admin\AppData\Local\Temp\318963e919790a5ced29f618ad9c1e25ec71c16b11a89674fcf390aa1fb776c8.exe
        "C:\Users\Admin\AppData\Local\Temp\318963e919790a5ced29f618ad9c1e25ec71c16b11a89674fcf390aa1fb776c8.exe"
        1⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1300
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C REG ADD "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "svchos" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\318963e919790a5ced29f618ad9c1e25ec71c16b11a89674fcf390aa1fb776c8.exe" /f
          2⤵
            PID:2944

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/2312-130-0x00007FF609C60000-0x00007FF609FE7000-memory.dmp

              memory/2340-131-0x00007FF609C60000-0x00007FF609FE7000-memory.dmp