Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 09:01

General

  • Target
    2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe
  • Size 96KB
  • Sample240521-kywtasfe48
  • SHA256 2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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).

  • NSIS installer 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4152

Network

        MITRE ATT&CK Enterprise v15

        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

        2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\2753940bc3bb4a0147cd807f8034ab60668cf86cb9cfbb7d878e1a7454929470_NeikiAnalytics.exe
        • Size 56KB
        • SHA256 a9e0880e266c102b010f1d94716cc45b2d3c07c985abb9bd035a57dcda9a2f50
        • MD5 SHA1 SHA512 SSDEEP

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\InstallOptions.dll
        • Size 14KB
        • SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\ioSpecial.ini
        • Size 532B
        • SHA256 fcf0031a5be82558d56c9bde56729d32d80b9e7789ee1d0a81b1af0bb068a1b2
        • MD5 SHA1 SHA512

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsn66BA.tmp\ioSpecial.ini
        • Size 572B
        • SHA256 4fa951048b1dc0310002c36fe6518957d5b2a557295cc69deed9c8169f9fc0a7
        • MD5 SHA1 SHA512

        memory/3532-175-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3532-176-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3532-178-0x0000000000400000-0x000000000041B000-memory.dmp