Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/08/2026, 15:01

General

  • Target
    2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe
  • Size 376KB
  • Sample260817-sd4bmsdj4y
  • SHA256 271d43da2613127e79dca42ed25769903d4d67bfd55222619b2006e6096f2ce5
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe"
    1⤵
    • Checks computer location settings
    • 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:1872
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4556

Network

        MITRE ATT&CK Enterprise v16

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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

        2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2026-08-17_cf89ee3ecdf1c4401298ad348b7617bf_amadey_cobalt-strike_elex_luca-stealer_neshta_njrat_ransomhub_smoke-loader.exe
        • Size 335KB
        • SHA256 1fc6fba593cb7e5d292b3fa7aa96c72dff122364676b3e1ccdc184234df8df72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1872-133-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1872-134-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1872-135-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1872-137-0x0000000000400000-0x000000000041B000-memory.dmp