Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 11:50

General

  • Target

    86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.exe

  • Size

    246KB

  • MD5

    0bf25f57a26f0c9ee43c6d0959ab27f0

  • SHA1

    04f7ad230975d1f0281be3d850b9ad1e9a9eb633

  • SHA256

    86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95c

  • SHA512

    19068b597063927da3cafe5099cfa00c9f13af275489b720c87d883130cddd5490139f8fdf3703ce6cced81a7438006a10d4cdb556142d6eb7253d18c1080713

  • SSDEEP

    3072:sr85C67GEpji1wvBtLBdQqaMBHJR5p5PqQre3EuMlNn9wyqr9aNtelu9w:k967NRjBdQqVBJR9Cl3EuMZ8r9aNtuuK

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\86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.exe
    "C:\Users\Admin\AppData\Local\Temp\86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.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:968
    • C:\Users\Admin\AppData\Local\Temp\3582-490\86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2288

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\86682c288cda99a2529c9445c8679d33c3be76a57a086799f5a33ca257f6a95cN.exe

    Filesize

    206KB

    MD5

    5140237b69d4893c327395e40bd0c21a

    SHA1

    ec2bc683ad330433174fc51b683c6b52e861c742

    SHA256

    98550be68394d9635627272e2273c501341c8212885a87c1dd1f7edeaf4fad94

    SHA512

    ce44e054ae581882586a07996e536c099c6847162d7e5488d1c0e35fc461215a59d759eb437f0e56d79e7f7a19f7ec59fb13be6df9d06f19bb00052a74886fe7

  • memory/968-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/968-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/968-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB