Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    29/10/2025, 19:25

General

  • Target
    random.exe
  • Size 1.9MB
  • Sample251029-x4433sa19e
  • SHA256 d60d5e5d73e58558f21411399b6138d497741b2beac6f60e7b2678f7464fc871
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:1832
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:5600
    • C:\Users\Admin\AppData\Local\Temp\random.exe
      "C:\Users\Admin\AppData\Local\Temp\random.exe"
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 724
        2⤵
        • Program crash
        PID:4308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 224 -ip 224
      1⤵
        PID:2568

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/224-12-0x0000000004EA0000-0x00000000052A0000-memory.dmp

            memory/224-8-0x0000000004E70000-0x0000000004E71000-memory.dmp

            memory/224-2-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

            memory/224-1-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

            memory/224-4-0x0000000004E80000-0x0000000004E81000-memory.dmp

            memory/224-7-0x0000000004E90000-0x0000000004E91000-memory.dmp

            memory/224-6-0x0000000004E20000-0x0000000004E21000-memory.dmp

            memory/224-5-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

            memory/224-9-0x0000000004E50000-0x0000000004E51000-memory.dmp

            memory/224-15-0x0000000004EA0000-0x00000000052A0000-memory.dmp

            memory/224-10-0x0000000004E60000-0x0000000004E61000-memory.dmp

            memory/224-13-0x0000000004EA0000-0x00000000052A0000-memory.dmp

            memory/224-3-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

            memory/224-17-0x0000000076EA0000-0x00000000770F2000-memory.dmp

            memory/224-0-0x0000000000710000-0x0000000000BCE000-memory.dmp

            memory/224-14-0x00007FFBADAE0000-0x00007FFBADCE9000-memory.dmp

            memory/224-11-0x0000000004EA0000-0x00000000052A0000-memory.dmp

            memory/224-25-0x0000000000710000-0x0000000000BCE000-memory.dmp

            memory/5600-26-0x0000000002120000-0x0000000002520000-memory.dmp

            memory/5600-22-0x00007FFBADAE0000-0x00007FFBADCE9000-memory.dmp

            memory/5600-24-0x0000000076EA0000-0x00000000770F2000-memory.dmp

            memory/5600-21-0x0000000002120000-0x0000000002520000-memory.dmp

            memory/5600-20-0x0000000002120000-0x0000000002520000-memory.dmp

            memory/5600-27-0x0000000002120000-0x0000000002520000-memory.dmp

            memory/5600-18-0x0000000000170000-0x000000000017A000-memory.dmp