Analysis

  • max time kernel
    109s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 23:07

General

  • Target

    76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.exe

  • Size

    889KB

  • MD5

    92b8ccb6c0a8e8847d9ce620db603420

  • SHA1

    8d627cbf0d257231491a28c986215f12173a7934

  • SHA256

    76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5

  • SHA512

    44b94ccf22772864906bc663ce0c1f779ac7881bf217d007a8fefc7d350e122c1f63679791a374d02ddf832fa6c6e7b9df7f3071660f9b447667ac1a482f64bd

  • SSDEEP

    24576:Jt6tP2jLB0EGb7PmcQYZs7zvtGuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuIuuuQ:QPjlyQZUUuuuuuuuuuuuuuuuuuuuuuur

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.

  • 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\76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.exe
    "C:\Users\Admin\AppData\Local\Temp\76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.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:4568
    • C:\Users\Admin\AppData\Local\Temp\3582-490\76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5108

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\76f5d6060b3de8ba3269da07744bca187f45d04f29be66ad8750f85cc1a1edd5N.exe

    Filesize

    849KB

    MD5

    74fd0f60729f646bc2846675aa6eb93f

    SHA1

    53f94f528a92be9265420e77df15478b02e16dcb

    SHA256

    2d6798c9fe8d853c8b8fc2a37da36262e18a3ee389c3286ba821e327a83a5df3

    SHA512

    d66dfcbbf902361067df6c3f1fb37cf53fe6fbc54851231d114fd420f3956f527979cdb9aaef9f8dafe149de92f81b85c97de7e81020ab1b861728aa52c066b5

  • memory/4568-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4568-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4568-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB