Analysis

  • max time kernel
    96s
  • max time network
    137s
  • 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 17:28

General

  • Target

    71226231ab10dd8268c99ccbfbd59cef6b56721a257484d94bcfb2a50bbbeef1N.exe

  • Size

    224KB

  • MD5

    22219d8c50333511a3554e7bbc004220

  • SHA1

    f55d69514ca39145841a13461a7be135b992973e

  • SHA256

    71226231ab10dd8268c99ccbfbd59cef6b56721a257484d94bcfb2a50bbbeef1

  • SHA512

    69fb993702e02441eafed988c8d70504e39393f04ee0aeedf45fb032d9fe20b2d9449d29806a89e61af701962c09bbe65560d0df425c0f5f1f53f336734c0d4b

  • SSDEEP

    3072:sr85Cdv/jVKWvtx/YSWW3H8atM8T9EBqZT//brvf2ZYdgVhO8k:k9pJYS7hWqN///vf2GeXu

Malware Config

Signatures

  • Detect Neshta payload 6 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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\71226231ab10dd8268c99ccbfbd59cef6b56721a257484d94bcfb2a50bbbeef1N.exe
    "C:\Users\Admin\AppData\Local\Temp\71226231ab10dd8268c99ccbfbd59cef6b56721a257484d94bcfb2a50bbbeef1N.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
    PID:4792

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\71226231ab10dd8268c99ccbfbd59cef6b56721a257484d94bcfb2a50bbbeef1N.exe

    Filesize

    184KB

    MD5

    c5cb12422ed31ee8b5e42a89955127da

    SHA1

    293459e8fab2b8f92d4f31605d653bc4584e1e5f

    SHA256

    3f180b35beca3b68795fad41508a6f4c85d01463d4aaaf1eacfcab8f4a0bd80d

    SHA512

    5d171050e795680739f8cbee66059fbecf18121c35f2c7d631261425300d3557351a79ae60c32c7146c4a3906903a262354b70f943f92f5bb4e064a0aa70a9cb

  • memory/4792-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4792-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB