Analysis

  • max time kernel
    112s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 10:23

General

  • Target

    9bca97c41e2e273887171372b762a1e0N.exe

  • Size

    199KB

  • MD5

    9bca97c41e2e273887171372b762a1e0

  • SHA1

    1c742f0e2fb8d729d3d7e80d6b9a21c1f61b8944

  • SHA256

    9817eaba67a45da3e5e87b38d5fc1f3c842bf6a0f90ddb9fce79fc77dd98c12a

  • SHA512

    ed26c1faae25d1b707177eb548b5b5e640d83f998fcb26cefe6cb583b4b18e0c32928218d380a9c646adf145e5a7938007550024e6ed7911211230649eb2ef13

  • SSDEEP

    6144:k9gF9UG8uTBmC7Igf3csFRR9egZIrRR9egZIr:BUG8uTQC7IgPFRR9VZIrRR9VZIr

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.

  • 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 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bca97c41e2e273887171372b762a1e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9bca97c41e2e273887171372b762a1e0N.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\3582-490\9bca97c41e2e273887171372b762a1e0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\9bca97c41e2e273887171372b762a1e0N.exe"
      2⤵
      • Executes dropped EXE
      PID:5044

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\9bca97c41e2e273887171372b762a1e0N.exe

    Filesize

    159KB

    MD5

    8c65508cc51677d81b87b11bfee60290

    SHA1

    8dce09f08e1c993ee484fc1f171958fc8220dfd3

    SHA256

    1ca7c1bec22e2eb6154ba01863a685bec98e3e272581d305bb29511471e84eae

    SHA512

    337dc96114d8ecb12ba5db96844b8202fb26f62531fcc614d025d606cf7ebe8b44ac59944080485e3b5c412838e0ffe6d0000a7e5e0bfa73df3be617e8fee6cf

  • memory/1860-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1860-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1860-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1860-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB