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
    02-01-2025 01:58

General

  • Target

    9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.exe

  • Size

    502KB

  • MD5

    08c31d8ea349d7542d27ba32c0631e10

  • SHA1

    480429c9afa98f8e2301872cfdf0590aede8a3fd

  • SHA256

    9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54

  • SHA512

    e498e3c143205a8cb04e0f84c00baf486f3748a43db7abc4baec17688ec1261efb1151bc64237b8fb3e97127d598e3d37a92d7a2ef407dfb78d90d54a667b9f8

  • SSDEEP

    12288:+FykyL5SEdMbH6AXCX8aeRqC5a/fwQVPLue3Ju07V:8NyL5SEdOaAy6qC5SdVP66Ju2V

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.

  • 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 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.exe
    "C:\Users\Admin\AppData\Local\Temp\9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.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:4828
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3616

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\9c180c4a2a280610a105d51d52c83a3a2de773a2900c7418cc8edc47228d3f54N.exe

    Filesize

    461KB

    MD5

    ab5fa31dd742d7df73dc9b7d01c1f937

    SHA1

    d6484842fd9a7a215bb6af52c5451d0dee6fc673

    SHA256

    3e85df7766027a8cf8bb55dd597b2d8d01f206c2705614bbab500ff64f56f347

    SHA512

    ba3ab873791dc69060e5da277039b9fcfa3492973c907e405bf7d1abb039748bd2e9cf87b7850a69d064dd4f6c675f83eb51a2e4363c3ee4daa5e97f17a30dc0

  • memory/4828-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4828-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4828-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB