Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 12:25

General

  • Target
    17c7566c4ff05fd902f56127cc52efef68b945bea305976b86231766ed9bc3c7.exe
  • Size 1.4MB
  • Sample240625-pl4etszbpd
  • SHA256 17c7566c4ff05fd902f56127cc52efef68b945bea305976b86231766ed9bc3c7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17c7566c4ff05fd902f56127cc52efef68b945bea305976b86231766ed9bc3c7.exe
    "C:\Users\Admin\AppData\Local\Temp\17c7566c4ff05fd902f56127cc52efef68b945bea305976b86231766ed9bc3c7.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4872
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3232
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:2452
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4552
    • 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
      PID:3588
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:668
    • 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:628
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2068
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4520
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240639687.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1856
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4352,i,16856304285138459032,14480077487839828721,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
      1⤵
        PID:2776

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            HD_X.dat

            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 1.4MB
            • SHA256 17c7566c4ff05fd902f56127cc52efef68b945bea305976b86231766ed9bc3c7
            • MD5 SHA1 SHA512 SSDEEP

            RCX7FB0.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RCX7FB0.tmp
            • Size 1.4MB
            • SHA256 0ae029e5b94f7a72112953a7e51c15e73187f709dffad9d55add5cb8c92bf2ec
            • MD5 SHA1 SHA512 SSDEEP

            X.ico

            • Path C:\Users\Admin\AppData\Local\Temp\X.ico
            • Size 69KB
            • SHA256 020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450
            • MD5 SHA1 SHA512 SSDEEP

            svchos.exe

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

            svchost.exe

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

            240639687.txt

            • Path C:\Windows\SysWOW64\240639687.txt
            • Size 50KB
            • SHA256 a80a0ed52496203017529c2bbe693713eb6967a322fc34c251990464ad2e1cae
            • MD5 SHA1 SHA512 SSDEEP

            Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

            • Path C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
            • Size 60KB
            • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
            • MD5 SHA1 SHA512 SSDEEP

            memory/628-43-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/628-32-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/628-44-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/628-39-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/668-15-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/668-19-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/668-16-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/668-29-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/668-13-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3232-5-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3232-10-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3232-6-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3232-7-0x0000000010000000-0x00000000101B6000-memory.dmp