Analysis

  • max time kernel
    92s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 08:23

General

  • Target

    instai.exe

  • Size

    80.7MB

  • MD5

    5cf1740d40bc4ee089e92624466bf4ad

  • SHA1

    a3a5761427e1fe202f165237fcc125044c1da30f

  • SHA256

    9a05e3f7c57ebb3a8190caa6fd5cfadaed6e3b635697d5c3e3d442ed3c989ae8

  • SHA512

    33a4038770e51354f7138d85edce23038e0f73a9497cd9fab17bac72628f57c376cf9311a0a5833cf9d3a17b628a4ef2c2b43130aeafc5acc430bc3da10f00f8

  • SSDEEP

    1572864:JsFmG/LCRZCLYQUux91mt46TpmSHGErH5y0oBO/rWZqyKjVnQTnP:Jf0sQr1mt4WpmSzQBFyO

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\instai.exe
    "C:\Users\Admin\AppData\Local\Temp\instai.exe"
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4536-0-0x0000000010000000-0x0000000010199000-memory.dmp

    Filesize

    1.6MB