Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/09/2024, 21:09

General

  • Target
    SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
  • Size 733KB
  • Sample240930-zzfk2avfpn
  • SHA256 c6ae41874ccd5d6c3e6da49cae6d0a0e8eee20e7037896b38f1e4523dd9543c8
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2444
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iJAISuNbz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2248
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iJAISuNbz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2192
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
      2⤵
        PID:2564
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
        2⤵
          PID:2884
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
          2⤵
            PID:2552
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
            "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
            2⤵
              PID:2568
            • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
              "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"
              2⤵
                PID:988

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  tmp190C.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp190C.tmp
                  • Size 1KB
                  • SHA256 8a98ca9e58e549a2f93f5a06fc5fc7694aef41cc436ce8bc114fdeab9a0e15ae
                  • MD5 SHA1 SHA512

                  d93f411851d7c929.customDestinations-ms

                  • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
                  • Size 7KB
                  • SHA256 242885a6881477b05ee71df4ac73e3fa1a3ad3b470f968f43c777889fe90c755
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/2432-0-0x000000007424E000-0x000000007424F000-memory.dmp

                  memory/2432-1-0x0000000000380000-0x000000000043E000-memory.dmp

                  memory/2432-2-0x0000000074240000-0x000000007492E000-memory.dmp

                  memory/2432-3-0x0000000004E20000-0x0000000004ED0000-memory.dmp

                  memory/2432-4-0x0000000000540000-0x000000000055E000-memory.dmp

                  memory/2432-5-0x000000007424E000-0x000000007424F000-memory.dmp

                  memory/2432-6-0x0000000074240000-0x000000007492E000-memory.dmp

                  memory/2432-7-0x00000000001E0000-0x0000000000264000-memory.dmp

                  memory/2432-20-0x0000000074240000-0x000000007492E000-memory.dmp