Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 14:36

General

  • Target
    2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
  • Size 182KB
  • Sample261002-ry3eeacb95
  • SHA256 4ff125b37f3b80c68d131b2f537018441957ff9ec8c4cd11ffe0a1bce6e20f18
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Windows directory 64 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 2 IoCs

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

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5140
    • C:\Windows\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
      "C:\Windows\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5140 -s 118972
      2⤵
      • Program crash
      PID:3712
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5140 -ip 5140
    1⤵
      PID:2496

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

          • Path C:\Windows\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
          • Size 182KB
          • SHA256 4ff125b37f3b80c68d131b2f537018441957ff9ec8c4cd11ffe0a1bce6e20f18
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

          • Path C:\Windows\2026-10-01_53e200109916a27cea53656b04c1c463_elex_nymaim_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
          • Size 142KB
          • SHA256 c89fb0df5f0e320893ea3a17246f079d1bdad3d94b500bdff39249d59c4a8450
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msbuild.exe

          • Path C:\Windows\assembly\GAC_32\MSBuild\3.5.0.0__b03f5f7f11d50a3a\msbuild.exe
          • Size 128KB
          • SHA256 bf3e5c5d83c801200bf693442dddcdb3eb8b278a23d12c444fb82df8a8682066
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5024-84-0x00000000001F0000-0x0000000000218000-memory.dmp