Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 15:42

General

  • Target
    2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe
  • Size 154KB
  • Sample260809-s5e35a1brg
  • SHA256 311e0d15d0dbc4bfb4fffd4fe8f2b9530cc0db0101bffc7422e9e3a1e3d446fa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Detect Neshta payload 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4236
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 460
        3⤵
        • Program crash
        PID:1640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4236 -ip 4236
    1⤵
      PID:4680

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ACROTE~1.EXE

          • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
          • Size 86KB
          • SHA256 ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29
          • MD5 SHA1 SHA512 SSDEEP TLSH

          2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-09_f7d3fc04a2bafd52e2ac57e17621f06e_elex_neshta_ransomhub_rhadamanthys_stop.exe
          • Size 114KB
          • SHA256 f1a28f72b625f6bcaac4ef0a356b9748ea5905bfdd1670b34bc0e61f282e5219
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2480-133-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/2480-134-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/2480-135-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/2480-136-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/2480-138-0x0000000000400000-0x000000000041B000-memory.dmp