Analysis

  • max time kernel
    105s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/11/2024, 21:22

General

  • Target

    030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe

  • Size

    280KB

  • MD5

    90888e682069c4fa6507bbac46ce4fd0

  • SHA1

    aab77752eef562084a6e3393020cc0fe9495e017

  • SHA256

    030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925

  • SHA512

    5a944233d8a469c2c9d88a7f95e3c62edf07431570124c86edafe3c9d082fe2717e563c420e333b4fff99af8a9682f49e0723cf5dbea2d80120f0c08befd49de

  • SSDEEP

    6144:k9GD0G2JlkbYZiDimNBDSJGsyvWVIvoGr14pssvBbgGX1zd:dD0G2JlkYiDTNBDSJGsyvWVIvoGr14pl

Malware Config

Signatures

  • Detect Neshta payload 5 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe
    "C:\Users\Admin\AppData\Local\Temp\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.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:3192
    • C:\Users\Admin\AppData\Local\Temp\3582-490\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1432

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\030501369cc3b88cfd2b18035e26a46d797cd2bd44d5fe630361a2b916f8b925N.exe

    Filesize

    240KB

    MD5

    595bd6b98d57979b7cd57cc7cc0be98e

    SHA1

    e0436659489b16810fd997e72bb4f9c969cd5fa5

    SHA256

    ca7ad62979475cada8c84bd05302c4da3e74efe19740aa291859856ec3e7ca1f

    SHA512

    156ac27bca0cc3332cf118d3d64c84085aafc336d523673032636e00022619270a650e8524f3c434a81b481262fdd59ea55cf7dbf764bc25411253f5084982be

  • memory/3192-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3192-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3192-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3192-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB