Analysis

  • max time kernel
    95s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 22:02

General

  • Target

    2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.exe

  • Size

    1.2MB

  • MD5

    2b442d7ca840ce4879bde3817be66b50

  • SHA1

    c230243b9790e251284ed219797a0769998a35d3

  • SHA256

    2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402

  • SHA512

    d8b4d50bf8087a439fbd0f4f51535f7668e986e5629e68d446a89e8433b93eee30d19309430856fe48d3fc57e2af4a8c8086d45ea85848c3cdf12bdce2f07195

  • SSDEEP

    24576:uADsBNONtwA7ULZmwxsg5tjNPEg/EcyLyEsUvbN1W:lYBNOoWUZmwx5n11yL9sUvb/W

Malware Config

Signatures

  • Detect Neshta payload 7 IoCs
  • Neshta

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

  • Neshta family
  • 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 1 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.exe
    "C:\Users\Admin\AppData\Local\Temp\2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.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:4188
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.exe"
      2⤵
      • Executes dropped EXE
      PID:4528

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\2147bd6f3bf50f53a900f9e2596e05456e22da136499d8dfdd98d5c6b4fec402N.exe

    Filesize

    1.1MB

    MD5

    0e9468fe5199af47394a89425e7eae0d

    SHA1

    6ecc24f4e11cacc9a63988187d980de9783696ad

    SHA256

    d98ffe933c5243ecaa7b847efe6f4a82c6cbe0f6235e60528e801b6fa6c33635

    SHA512

    305a7a343c649f32b4a342853f69af7442d2b51bc318af9c3bfbf71278d31ae69e5ac2649bbd37a0f657514276e26ae489fdee198f58a2821c618d8bbe432237

  • memory/4188-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4188-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4188-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4188-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4188-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4188-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB