Analysis

  • max time kernel
    121s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/03/2024, 10:01

General

  • Target

    376e63d4347c99f57f26214047f5814e332b8d4b0b52a17d3024eac0c48b8c73.exe

  • Size

    1.3MB

  • MD5

    66acec1a55ec143bfa87f067db86ec66

  • SHA1

    70ff059364d73bc75369d0d6a099dca45c79fcc5

  • SHA256

    376e63d4347c99f57f26214047f5814e332b8d4b0b52a17d3024eac0c48b8c73

  • SHA512

    b11d23b012433145b280464ab8798d57ab338a06dd78207264139551381b47c2d62609cc8d6f6bf5762e47ed18fb5e6cc244c084a1a243a31217bd6d5d34311f

  • SSDEEP

    24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNN:QHPkVOBTK

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 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.

  • Drops file in Drivers directory 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\376e63d4347c99f57f26214047f5814e332b8d4b0b52a17d3024eac0c48b8c73.exe
    "C:\Users\Admin\AppData\Local\Temp\376e63d4347c99f57f26214047f5814e332b8d4b0b52a17d3024eac0c48b8c73.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\CloudDrive.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\CloudDrive.exe"
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:1300
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\376E63~1.EXE > nul
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2112

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\CloudDrive.exe

          Filesize

          1.3MB

          MD5

          66acec1a55ec143bfa87f067db86ec66

          SHA1

          70ff059364d73bc75369d0d6a099dca45c79fcc5

          SHA256

          376e63d4347c99f57f26214047f5814e332b8d4b0b52a17d3024eac0c48b8c73

          SHA512

          b11d23b012433145b280464ab8798d57ab338a06dd78207264139551381b47c2d62609cc8d6f6bf5762e47ed18fb5e6cc244c084a1a243a31217bd6d5d34311f

        • memory/1300-12-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB

        • memory/2756-0-0x0000000010000000-0x000000001019F000-memory.dmp

          Filesize

          1.6MB