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
    05-12-2024 03:07

General

  • Target

    c3b59c1e209ff53565f3cc59f3e55190b185c92981221d94fce24adfb2720962.exe

  • Size

    494KB

  • MD5

    bdb7215e7cd672987f90b8d58b3590c6

  • SHA1

    686b246683bb0258b6239eb08d784168c73199ed

  • SHA256

    c3b59c1e209ff53565f3cc59f3e55190b185c92981221d94fce24adfb2720962

  • SHA512

    3c357e532581424138599d6c95d8903b614615eaf6b4b12ca19b8856ca5f521d51e7044b9a102e4f9b345603412f8c953701a0c3d377cad75ef9dd61b1f30871

  • SSDEEP

    12288:EwlBKwrxe+C0T1cy2bZs7nYFZX/E2yQoy/QjJAyL:EwRe+C0T1cJtsEvXs2yQoyaJX

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\c3b59c1e209ff53565f3cc59f3e55190b185c92981221d94fce24adfb2720962.exe
    "C:\Users\Admin\AppData\Local\Temp\c3b59c1e209ff53565f3cc59f3e55190b185c92981221d94fce24adfb2720962.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:3780

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\c3b59c1e209ff53565f3cc59f3e55190b185c92981221d94fce24adfb2720962.exe

    Filesize

    454KB

    MD5

    d99c2c4961ac5948f8cd9d437d516179

    SHA1

    58b4644a3f6a7b822a4e2e5868ffc4a7be989bef

    SHA256

    345ea508cd0e36cd50b8d66d0bf7130a8bd21ec8f4842599159d842bbf645db9

    SHA512

    67dabd9e861c0b6ab2b5b452db628bf16294cb86b63b2e3790a244cdc3ce532a84a86cb7770cfa0d606c64f4708bbc29dd8ad9047037a9f10a35cf8571fd5abb

  • memory/3780-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3780-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3780-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB