Analysis

  • max time kernel
    187s
  • max time network
    200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 05:42

General

  • Target
    SecuriteInfo.com.Win32.PWSX-gen.13189.18981.exe
  • Size 789KB
  • Sample221124-gd1d7scd65
  • SHA256 c6e23700b04887686fb5556f432e9cf4c29181cfffbb135a50dc09124664ded0
  • MD5 SHA1 SHA512 SSDEEP
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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13189.18981.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.13189.18981.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nSSfjxlFO.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nSSfjxlFO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3864

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        tmpCCA2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCCA2.tmp
        • Size 1KB
        • SHA256 ffaaac915cfc4613e15d6c9b2b18fb472dc01a25c67dbf97e7cef4b2fe752880
        • MD5 SHA1 SHA512

        memory/1824-132-0x0000000000580000-0x000000000064C000-memory.dmp

        memory/1824-133-0x00000000054D0000-0x0000000005A74000-memory.dmp

        memory/1824-134-0x0000000004FD0000-0x0000000005062000-memory.dmp

        memory/1824-135-0x0000000005080000-0x000000000508A000-memory.dmp

        memory/1824-136-0x0000000007280000-0x000000000731C000-memory.dmp

        memory/4088-139-0x0000000000C90000-0x0000000000CC6000-memory.dmp

        memory/4088-141-0x0000000005290000-0x00000000058B8000-memory.dmp