Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/04/2026, 19:43

General

  • Target
    2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe
  • Size 188KB
  • Sample260419-yff7sagy6n
  • SHA256 5992f6b9aaeff11b011d2783cb90314f7ee7c9136d167a3d579bd713640db39e
  • 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 4 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).

  • 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\2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.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:2512
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5056

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

        2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-04-19_9ad49fc572c0d8c1c4e0e4a2586606b1_amadey_elex_neshta_remcos_rhadamanthys_smoke-loader.exe
        • Size 148KB
        • SHA256 ef87dca8f2c0f6111054a08053023a18fdc5cbd4e797e485fc1043c4a33f77b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2512-130-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2512-131-0x00000000008C0000-0x0000000000B4B000-memory.dmp

        memory/2512-133-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2512-137-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2512-138-0x00000000008C0000-0x0000000000B4B000-memory.dmp

        memory/5056-132-0x00000000030B0000-0x000000000333B000-memory.dmp