Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 10:18

General

  • Target

    7b57d41088cb35207d6e68f884a9798d3a06306185078d27a5d19f6bc4f2c8a9.exe

  • Size

    3.6MB

  • MD5

    995673c7545298e19bffa4b8b3d636a7

  • SHA1

    527ea1d80f683497f22b3f22ef117fde59b334f3

  • SHA256

    7b57d41088cb35207d6e68f884a9798d3a06306185078d27a5d19f6bc4f2c8a9

  • SHA512

    236693f0a4beaf2020046d0a1a587df01ae56729c335c46dc4901d2b1c787c04771e345efbc4a6b22719a969f19643aa248ffd0fc3ee1775a13bda999fa149b1

  • SSDEEP

    98304:6tk87VymQSv/fHRGA25dwK+/0RIEZnk1AfdK:6h7LQSfxady/0pZnkmfdK

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\7b57d41088cb35207d6e68f884a9798d3a06306185078d27a5d19f6bc4f2c8a9.exe
    "C:\Users\Admin\AppData\Local\Temp\7b57d41088cb35207d6e68f884a9798d3a06306185078d27a5d19f6bc4f2c8a9.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:2356

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\7b57d41088cb35207d6e68f884a9798d3a06306185078d27a5d19f6bc4f2c8a9.exe

    Filesize

    3.5MB

    MD5

    51bee7d6b8ef4082078da214e864c2d8

    SHA1

    de8a805ab947befa7f64881e83e2968b529b72d6

    SHA256

    b2e45c1415b3fad36687626c93ac2e16875b44496d8c3d8c387daaf47b185ec5

    SHA512

    8d5bf4ad61b1b1fbd0eb45adae5b8a8fc2e81cc16112ef03fea550cfacadc5f39b3e5a5032dcf08deb17ef9e369858bcf38e7a4ef9be068ffd2affc6ae01f5bf

  • memory/2356-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2356-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2356-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB