Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 05:23

General

  • Target

    950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.exe

  • Size

    306KB

  • MD5

    7bb12981f88cb0461fed2dd523fcca30

  • SHA1

    e10779092f58ac10512247b861381c888620691a

  • SHA256

    950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d

  • SHA512

    0af28ac466e26ca296f3e93265bdb28c92b9d9ce4af4e74d81e94824a30646f61454992ac0b6edc7d345557ab77c27d0ab159993b7a2a329442886080e2990e9

  • SSDEEP

    3072:sr85Cgup4dPSYsUsYYDYYYlYYYYmYYYYYhrKkHQ0YD9hNE0+q7bINgOaFjb/YbOG:k9gZSLyaB/xM0ZQ71GOCj1V

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\950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.exe
    "C:\Users\Admin\AppData\Local\Temp\950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.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:2368
    • C:\Users\Admin\AppData\Local\Temp\3582-490\950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4588

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\950557a5259845e7714cd4fbd46ae580b2374f234b3de7966decd8e46151114d.exe

    Filesize

    265KB

    MD5

    ea4c3121ddbb2bb16e4346bad42382ed

    SHA1

    3950fab6249b4b7cc55347c53bf49281ba8dfadb

    SHA256

    2c4c55ab3f277661561f5e6b4893c75c30795cf46158282de1a3485841176d42

    SHA512

    bf0b6c38c15684189e5a53c5e8932c4180ff3167139f61ec8cda3cf01cde4907916856692b0dd103735305306b4667902d1b503fcb173bc511c2f960772051d3

  • memory/2368-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2368-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2368-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB