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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/01/2025, 22:46

General

  • Target

    vaultFile17860871362159645161.exe

  • Size

    209KB

  • MD5

    c3b092c82bb07c971f1c4b003cfe5796

  • SHA1

    84fa3b5572979cc4ee19467750363754c821d633

  • SHA256

    87c860b8217cbb98f12cbe9e45085a7939b9cd5695592fc0f08c4d5897d3a3d5

  • SHA512

    977e0f9f1b64e6a1285abe0d783bd6d6f5819be337018ed3494278a6b2cbdc9fe9380018fa24f6312f497b0a89dc00267c47f1ba15b6541cc1fbc9b91e23a6da

  • SSDEEP

    3072:sr85CziKuio6UKhjklcG6Otjaq8VLUzmhb:k9ziKuio6UKhAlcG6OtjarFUzw

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vaultFile17860871362159645161.exe
    "C:\Users\Admin\AppData\Local\Temp\vaultFile17860871362159645161.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:1808
    • C:\Users\Admin\AppData\Local\Temp\3582-490\vaultFile17860871362159645161.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\vaultFile17860871362159645161.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3496

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\vaultFile17860871362159645161.exe

    Filesize

    168KB

    MD5

    b3a46fa0a912f601f570b767ff2ab546

    SHA1

    cef03620a226cd1d5b71b56fee9d4f7cc2435371

    SHA256

    a589fecd626b4dc64456cbbe0c227dd1d9d34cdd38744ef7c274837de28a1867

    SHA512

    d3b3ffe1f7351f6f910c1c3b0f529399ff36321cdb0b46878d00e543758ed099fea935568819ed13c441e041773c2d2f9ccbbf4476ef891a3dd78cf3a2ec5b9b

  • memory/1808-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1808-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1808-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB