Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 14:27

General

  • Target
    2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe
  • Size 5.4MB
  • Sample260424-rsplcsdt41
  • SHA256 85179945e2d380e8d3ec7064cd608ad2b80d29d51cdf0d75ecabfb911ee7b9b2
  • 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 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 IoCs
  • UPX dump on OEP (original entry point) 12 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 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 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3524
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4108
      • 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\svchost.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3176
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2516
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.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:4364
    • C:\Users\Admin\AppData\Local\Temp\HD_2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe
      C:\Users\Admin\AppData\Local\Temp\HD_2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe
      2⤵
      • Executes dropped EXE
      PID:3984
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:944
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2708
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240652171.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3500
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k "╓≈╢»╖└╙∙╖■╬±─ú┐Θ"
      1⤵
        PID:3360

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            vlc.exe

            • Path C:\Program Files\VideoLAN\VLC\vlc.exe
            • Size 2.3MB
            • SHA256 0ccc392f81c5d8694b4e2f74d23b5310f9c7329860a4f66d9c7c5c6f424991d9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            HD_2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe

            • Path C:\Users\Admin\AppData\Local\Temp\HD_2026-04-24_ff3212b7b7d688cbde8b270f552f3589_cobalt-strike_elex_emotet_glassworm_icedid_njrat_remcos_vidar_wannacry.exe
            • Size 4.1MB
            • SHA256 4ebe7d3da29564cd88a289893f63c0e156aa54416d5867661cd1071f37939561
            • MD5 SHA1 SHA512 SSDEEP TLSH

            RCX1306.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RCX1306.tmp
            • Size 1.3MB
            • SHA256 085a64b2c927879c4fcb4ac225e3eec30f3ff467b47159ee1c2cc69ad1af8253
            • MD5 SHA1 SHA512 SSDEEP TLSH

            svchos.exe

            • Path C:\Users\Admin\AppData\Local\Temp\svchos.exe
            • Size 93KB
            • SHA256 62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84
            • MD5 SHA1 SHA512 SSDEEP TLSH

            svchost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\svchost.exe
            • Size 377KB
            • SHA256 6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            240652171.txt

            • Path C:\Windows\SysWOW64\240652171.txt
            • Size 50KB
            • SHA256 e3a4ea62b1b818fd7cfccf15a848eadcecbc0b6da390f8e26696bbf71dfc50d2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

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

            memory/944-37-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/944-36-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/944-33-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1552-16-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1552-31-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1552-15-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1552-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1552-13-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4108-10-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4108-7-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4108-6-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4108-4-0x0000000010000000-0x00000000101B6000-memory.dmp