Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 09:46

General

  • Target
    72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe
  • Size 1.3MB
  • Sample260528-lrv4vsct2k
  • SHA256 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Gh0strat

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

  • Family: PurpleFox

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

  • Detect PurpleFox Rootkit 3 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 6 IoCs
  • Downloads MZ/PE file 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 2 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 13 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe
    "C:\Users\Admin\AppData\Local\Temp\72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c.exe"
    1⤵
    • Downloads MZ/PE file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3616
    • C:\Windows\1.exe
      "C:\Windows\1.exe"
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1092
    • 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\72EC17~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:6044
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1164
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"
    1⤵
      PID:4776
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3300
      • C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
        C:\Windows\system32\windowsϵͳÖ÷¶¯·ÀÓù.exe "c:\windows\system32\240669015.jpg",MainInstall
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:5744
    • C:\Windows\SysWOW64\sainbox.exe
      C:\Windows\SysWOW64\sainbox.exe -auto
      1⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:2348
      • C:\Windows\1.exe
        "C:\Windows\1.exe"
        2⤵
        • Server Software Component: Terminal Services DLL
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        PID:4808
      • C:\Windows\SysWOW64\sainbox.exe
        C:\Windows\SysWOW64\sainbox.exe -acsi
        2⤵
        • Downloads MZ/PE file
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\1.exe
          "C:\Windows\1.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5596
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k "windows╧╡═│╓≈╢»╖└╙∙"
      1⤵
        PID:1224

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            1.exe

            • Path C:\Windows\1.exe
            • Size 156KB
            • SHA256 55866f0c5b53419c79d7be9b565e338091f4aa755a278eaca887f03ece544c7a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            240669015.jpg

            • Path C:\Windows\SysWOW64\240669015.jpg
            • Size 56KB
            • SHA256 008f575c3bb3d70a271a4e4b13c1a243a95b14165d1f0865a0f70a01c4e15e53
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ini.ini

            • Path C:\Windows\SysWOW64\ini.ini
            • Size 44B
            • SHA256 162ab25729fbab1160898db6b8a38d073d8433c091b753a570665d23b2c916b6
            • MD5 SHA1 SHA512

            sainbox.exe

            • Path C:\Windows\SysWOW64\sainbox.exe
            • Size 1.3MB
            • SHA256 72ec17ebac3def4a5767827bf3df90717754d7b89d660b116cfcf76c0f50403c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            windowsϵͳÖ÷¶¯·ÀÓù.exe

            • Path C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
            • Size 40KB
            • SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1092-27-0x0000000000400000-0x000000000042B000-memory.dmp

            memory/2348-48-0x0000000010000000-0x000000001019F000-memory.dmp

            memory/3064-69-0x0000000010000000-0x000000001019F000-memory.dmp

            memory/3616-11-0x0000000010000000-0x000000001019F000-memory.dmp

            memory/4808-57-0x0000000000400000-0x000000000042B000-memory.dmp