Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 22:42

General

  • Target

    a613967a89e2af5985b89d2a81cf189cef0ff536e7baec458312ba5b4102df4e.exe

  • Size

    3.8MB

  • MD5

    985b38df48a323d9e2c500bad17c1c8d

  • SHA1

    e8e0364f09f14bc6b0e166250b92ad12fd02a2ad

  • SHA256

    a613967a89e2af5985b89d2a81cf189cef0ff536e7baec458312ba5b4102df4e

  • SHA512

    c9e407de4016fac34b4897d6437779a43ba6b4e7e836f38b51e85edf4df1a32c123d83f0e7d07cbf474139518beceb5180e35462a7e0d2f00319211c6947210b

  • SSDEEP

    49152:UO687DbkbaJlR2nzRyWfmqzZHeBwTp+WSoiET2scTibLkWZ:UmpKmo0spbYQ

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.

  • 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a613967a89e2af5985b89d2a81cf189cef0ff536e7baec458312ba5b4102df4e.exe
    "C:\Users\Admin\AppData\Local\Temp\a613967a89e2af5985b89d2a81cf189cef0ff536e7baec458312ba5b4102df4e.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
    PID:4832

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\a613967a89e2af5985b89d2a81cf189cef0ff536e7baec458312ba5b4102df4e.exe

    Filesize

    3.8MB

    MD5

    cb4daebf4175fb5b7448bb89eae06d21

    SHA1

    5cb4eadd7c40f94e67b295244dd34a200be31e14

    SHA256

    f8b0819b127a44b96f181ed94360088dab7a2ecc6787dcd60cecd9c526e39722

    SHA512

    a3060fa4945a8e3fbeb3f458a3a491de9a8a6d807ac2f42c2ebbb5bedcde2cccc4e7558a6d51ebfc5dddc8e4cf6a1e09a9d186d34c796e170fc1bad043411e9c

  • memory/4832-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4832-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4832-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB