Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 20:28

General

  • Target

    368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.exe

  • Size

    829KB

  • MD5

    6fde2a3c9ff8bc3321df2d28bf3bd100

  • SHA1

    339a125752a48e232e63391ef0575ea64d15522a

  • SHA256

    368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4

  • SHA512

    be1c01a488d04a961515fcaf7ecc23fe6c1dafb35c20ea7c266c6eade049954940e758ff4e5b26d8d050caa853837f3a75c6cf1d7613b76b3c1cdd9c08a1aa3a

  • SSDEEP

    24576:28EeQV2gbEy/vvWsfVK5ZMJFYlqY5KEcZxBcM61a4mc:28jg3/vvW8VK5ZMJEhKEcZx+b

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 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.exe
    "C:\Users\Admin\AppData\Local\Temp\368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.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:220
    • C:\Users\Admin\AppData\Local\Temp\3582-490\368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4432
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Temp\3582-490\368e01be5b833de2bf6b97653550b7ba9255d1a00f714cf7265eb8156fbb97e4N.exe

      Filesize

      789KB

      MD5

      913daa5aa6be11f9354ad87f9d549986

      SHA1

      13654b4d640799ecf3714a2edea0314a083174df

      SHA256

      e863cc46e812b83c961ab3a13ac5fe4e83e6d685fe64033799c8564fcad93f78

      SHA512

      1622613e71b7f93e44316f0ea2d89fdbd7658e9c04302fbf48a4c72ce0178f4861fc099a449f55b199cb05e8adb48fe4796d7cd2da395c4911b5580e035ddfb8

    • memory/220-104-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/220-105-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/220-107-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4432-11-0x0000000000400000-0x0000000000493000-memory.dmp

      Filesize

      588KB

    • memory/4432-20-0x0000000000400000-0x0000000000493000-memory.dmp

      Filesize

      588KB