Analysis

  • max time kernel
    149s
  • max time network
    115s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 17:05

General

  • Target
    2026-05-11_e7ae297692fdb1f47c87c1e6e4a14a28_elex_rhadamanthys_stealc_stop_tofsee.exe
  • Size 537KB
  • Sample260511-vmcamaax5m
  • SHA256 6904ac55f3c1851e92e893330f01740d5a507cc28d45e2a551eec442ffe5c1d5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-11_e7ae297692fdb1f47c87c1e6e4a14a28_elex_rhadamanthys_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-11_e7ae297692fdb1f47c87c1e6e4a14a28_elex_rhadamanthys_stealc_stop_tofsee.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Users\Admin\AppData\Local\Temp\n9403\s9403.exe
      "C:\Users\Admin\AppData\Local\Temp\n9403\s9403.exe" ins.exe /u 4e9422ac-75a8-4a0f-9b5b-46785bc06f2f /e 12051574 /h 7a75c3.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\2026-05-11_e7ae297692fdb1f47c87c1e6e4a14a28_elex_rhadamanthys_stealc_stop_tofsee.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 492 -s 1856
      2⤵
      • Program crash
      PID:5892
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 492 -ip 492
    1⤵
      PID:6040

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          s9403.exe

          • Path C:\Users\Admin\AppData\Local\Temp\n9403\s9403.exe
          • Size 288KB
          • SHA256 1c2576369f51175b1a71ac298e1caa0bd47adc30cb9aee10be9b3e464919ed6c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/492-15-0x0000000001EB0000-0x0000000001F2A000-memory.dmp

          memory/492-0-0x0000000000400000-0x000000000048B000-memory.dmp

          memory/492-16-0x0000000000400000-0x000000000048B000-memory.dmp

          memory/4352-34-0x000000001BDE0000-0x000000001BDEA000-memory.dmp

          memory/4352-39-0x000000001BDF0000-0x000000001BDF8000-memory.dmp

          memory/4352-13-0x00007FF883A80000-0x00007FF884421000-memory.dmp

          memory/4352-19-0x00007FF883D35000-0x00007FF883D36000-memory.dmp

          memory/4352-18-0x0000000000A10000-0x0000000000A1C000-memory.dmp

          memory/4352-17-0x0000000002350000-0x00000000026C8000-memory.dmp

          memory/4352-12-0x00007FF883D35000-0x00007FF883D36000-memory.dmp

          memory/4352-37-0x000000001C420000-0x000000001C8EE000-memory.dmp

          memory/4352-38-0x000000001C990000-0x000000001CA2C000-memory.dmp

          memory/4352-14-0x00007FF883A80000-0x00007FF884421000-memory.dmp

          memory/4352-40-0x00007FF883A80000-0x00007FF884421000-memory.dmp

          memory/4352-41-0x000000001F9A0000-0x000000001FA02000-memory.dmp

          memory/4352-42-0x0000000020610000-0x0000000020B20000-memory.dmp

          memory/4352-46-0x0000000002350000-0x00000000026C8000-memory.dmp

          memory/4352-49-0x0000000002350000-0x00000000026C8000-memory.dmp

          memory/4352-50-0x0000000000A10000-0x0000000000A1C000-memory.dmp

          memory/4352-51-0x00007FF883A80000-0x00007FF884421000-memory.dmp