Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 04:45

General

  • Target
    2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
  • Size 228KB
  • Sample260924-fdstpaeb73
  • SHA256 b39f6e6b4d0c8fb51ef90ea4c8caa12b0f498ce8e6a7aec348158644da239613
  • 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 5 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\2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.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:1188
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 332
        3⤵
        • Program crash
        PID:2852
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 232 -p 2448 -ip 2448
    1⤵
      PID:5036

    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

          2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe

          • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-09-23_ac265068c738ca7181a5fea90e9e7eac_elex_neshta_ransomhub_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
          • Size 188KB
          • SHA256 1d9e4a444770286b0b335b47018006be0d90915f79cfd7534bce2d4d2cb17f37
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1188-132-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/1188-133-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/1188-134-0x0000000000400000-0x000000000041B000-memory.dmp

          memory/1188-136-0x0000000000400000-0x000000000041B000-memory.dmp