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
    24-11-2024 22:07

General

  • Target

    4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.exe

  • Size

    1.1MB

  • MD5

    9ceb3a362feb33c87e59642a6d8054f0

  • SHA1

    973194bc58cb1e5c476a0dbff9e5dcd02bf4e100

  • SHA256

    4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4

  • SHA512

    a56652985786594fd1a55271dde255b88682172baf228074eac9607fd761286dff326c3ab7136d16d7faf2b32a4b3e1875e520a9f32ba59e7bb89e9c6534432c

  • SSDEEP

    24576:XksDgh76TulQpFxxEIUtKpKysBh6qyna6mri8/U2FLFvdejBxndmUJfL1:XksDgY7Fm5hmZmusHFLFvcjBJUUJT1

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\4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.exe
    "C:\Users\Admin\AppData\Local\Temp\4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.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:1744
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3420

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\4482762d92ecc50f94df1d519938f801027371625ea9aa7b83df4d8e2cb496f4N.exe

    Filesize

    1.1MB

    MD5

    98c233e993d8849e0596787703db3c48

    SHA1

    113b4307af55ed97ee84190e6ffdc0e76b5e62bb

    SHA256

    695f3c018f233e605b1730605e1a67fd32be908c4e7d4fc010278b10adfec908

    SHA512

    8bf59e64c905bac55a77ff2f6d62631eefcb7a9a5d89425c341e66c2c67a6d0c7c091cedd01a7c89797ce13a75e2337cfb3c870390dccce3f44e59a179179908

  • memory/1744-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1744-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1744-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB