Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 21:30

General

  • Target

    2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.exe

  • Size

    118KB

  • MD5

    c070fe720b7ea19bd32b4bf4ccd134b8

  • SHA1

    955a5e2300ab7d28aaca2e66cc17bfbeff01f79c

  • SHA256

    2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a

  • SHA512

    3afa2f07b6f80d9f6e4e433c3c437182e46048307d39bb61299066eeffe7fc97294f61a943ea9040d7568b89f6663444abf284c2796564c8a05098a0e6a83631

  • SSDEEP

    1536:JxqjQ+P04wsmJCs6sWjcdEamT5ahV0Z2d9nqNVzIBCcSS:sr85CWEamT5aD/oNS

Malware Config

Signatures

  • Detect Neshta payload 7 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).

  • Program crash 1 IoCs
  • 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\2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.exe
    "C:\Users\Admin\AppData\Local\Temp\2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.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:1224
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3652
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 264
        3⤵
        • Program crash
        PID:4964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3652 -ip 3652
    1⤵
      PID:5016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    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\2fcce417b0be2abdcc358b94b7c58ff061d17c570c7716533cae74ee89b29b0a.exe

      Filesize

      77KB

      MD5

      f499c7300b7b4e5e6f49fb5c1f61e1f1

      SHA1

      d15fec3ec3d149c9b0816bdbdb7634f7d93078b2

      SHA256

      f016bcaa7a3206efaa99020878b92e702b2a91f02b810fe657545365059d6cb0

      SHA512

      9e2d54f2a6f02551965093245f7957d4b2822d0d6d21dbe681c8b7267b3c737aed3e657f9a85c04594309171d1ff6ff9324bba8db65230353d0c28f350addc17

    • memory/1224-95-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1224-96-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1224-97-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1224-98-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1224-99-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1224-101-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB