Analysis

  • max time kernel
    39s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250610-en
  • resource tags

    arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/07/2025, 16:49

General

  • Target
    Arly.exe
  • Size 4.6MB
  • Sample250717-vbv9cszn13
  • SHA256 e4e654d5ce9fb5d329f9ad187628be00900d04fe508547017142d54b2e58535f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Rhadamanthys Payload 1 IoCs
  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Rhadamanthys family
  • 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.

  • Deletes itself 1 IoCs
  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 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 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:3028
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:5088
    • C:\Users\Admin\AppData\Local\Temp\Arly.exe
      "C:\Users\Admin\AppData\Local\Temp\Arly.exe"
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2632

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/2632-12-0x0000000075C40000-0x0000000075E92000-memory.dmp

          memory/2632-7-0x0000000002880000-0x0000000002C80000-memory.dmp

          memory/2632-1-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/2632-18-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/2632-6-0x0000000002880000-0x0000000002C80000-memory.dmp

          memory/2632-9-0x0000000002880000-0x0000000002C80000-memory.dmp

          memory/2632-8-0x0000000002880000-0x0000000002C80000-memory.dmp

          memory/2632-10-0x00007FFDBBDE0000-0x00007FFDBBFE9000-memory.dmp

          memory/2632-2-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/2632-0-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/2632-4-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/5088-19-0x0000000002320000-0x0000000002720000-memory.dmp

          memory/5088-23-0x0000000075C40000-0x0000000075E92000-memory.dmp

          memory/5088-21-0x00007FFDBBDE0000-0x00007FFDBBFE9000-memory.dmp

          memory/5088-20-0x0000000002320000-0x0000000002720000-memory.dmp

          memory/5088-13-0x0000000000450000-0x000000000045A000-memory.dmp

          memory/5088-24-0x0000000002320000-0x0000000002720000-memory.dmp

          memory/5088-17-0x0000000002320000-0x0000000002720000-memory.dmp

          memory/5088-16-0x0000000000450000-0x000000000045A000-memory.dmp