Analysis

  • max time kernel
    101s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250502-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-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:2560
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4372
    • 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:4192

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4192-8-0x0000000002A00000-0x0000000002E00000-memory.dmp

          memory/4192-15-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/4192-1-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/4192-12-0x0000000076A50000-0x0000000076C65000-memory.dmp

          memory/4192-6-0x0000000002A00000-0x0000000002E00000-memory.dmp

          memory/4192-7-0x0000000002A00000-0x0000000002E00000-memory.dmp

          memory/4192-9-0x0000000002A00000-0x0000000002E00000-memory.dmp

          memory/4192-10-0x00007FFEFC0D0000-0x00007FFEFC2C5000-memory.dmp

          memory/4192-2-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/4192-0-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/4192-4-0x0000000000400000-0x00000000008C5000-memory.dmp

          memory/4372-13-0x0000000001270000-0x000000000127A000-memory.dmp

          memory/4372-17-0x0000000001270000-0x000000000127A000-memory.dmp

          memory/4372-19-0x0000000002F30000-0x0000000003330000-memory.dmp

          memory/4372-20-0x00007FFEFC0D0000-0x00007FFEFC2C5000-memory.dmp

          memory/4372-23-0x0000000076A50000-0x0000000076C65000-memory.dmp

          memory/4372-22-0x0000000002F30000-0x0000000003330000-memory.dmp

          memory/4372-18-0x0000000002F30000-0x0000000003330000-memory.dmp

          memory/4372-24-0x0000000002F30000-0x0000000003330000-memory.dmp