Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 02:20

General

  • Target
    07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
  • Size 7.6MB
  • Sample240529-csheqafe49
  • SHA256 07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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 DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 9 IoCs

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

  • VMProtect packed file 2 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 1 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3364
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1508
      • 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\N.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:652
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1196
    • C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Program Files\Java\jdk-1.8\bin\java.exe
        "C:\Program Files\Java\jdk-1.8\bin\java.exe" -version
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Windows\system32\icacls.exe
          C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
          4⤵
          • Modifies file permissions
          PID:692
      • C:\Program Files\Java\jdk-1.8\jre\bin\java.exe
        "C:\Program Files\Java\jdk-1.8\jre\bin\java.exe" -version
        3⤵
          PID:4848
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -version
          3⤵
            PID:1568
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
        1⤵
          PID:4880
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
          1⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:3596
          • C:\Windows\SysWOW64\Remote Data.exe
            "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600328.txt",MainThread
            2⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:5072
        • C:\Windows\SysWOW64\TXPlatfor.exe
          C:\Windows\SysWOW64\TXPlatfor.exe -auto
          1⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3428
          • C:\Windows\SysWOW64\TXPlatfor.exe
            C:\Windows\SysWOW64\TXPlatfor.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:2552

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              3903daac9bc4a3b7.timestamp

              • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
              • Size 46B
              • SHA256 3234e83ddf7be62b606690cee7b2699c00b476a80fdf967262b21d0822947208
              • MD5 SHA1 SHA512

              905ebba3a8fc8cc.timestamp

              • Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\905ebba3a8fc8cc.timestamp
              • Size 50B
              • SHA256 81b9bf0d7768ff7e61fb5b76f67de30abad39ddee532d32e8018d5f375e5cb5d
              • MD5 SHA1 SHA512

              HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe

              • Path C:\Users\Admin\AppData\Local\Temp\HD_07732376a914eb847f21cd9807679d67c6859d74bc9be51f895b9e0126ee7e0f.exe
              • Size 4.0MB
              • SHA256 a0cc237e040fcac58952dface637a5f79502151d41b02206c06cb0de096bab9a
              • MD5 SHA1 SHA512 SSDEEP

              HD_X.dat

              • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
              • Size 3.7MB
              • SHA256 c4551d9764db10b110aecd41652ffa74e43a47853a7c1980ca4306b942aa33c2
              • MD5 SHA1 SHA512 SSDEEP

              N.exe

              • Path C:\Users\Admin\AppData\Local\Temp\N.exe
              • Size 377KB
              • SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
              • MD5 SHA1 SHA512 SSDEEP

              R.exe

              • Path C:\Users\Admin\AppData\Local\Temp\R.exe
              • Size 941KB
              • SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
              • MD5 SHA1 SHA512 SSDEEP

              240600328.txt

              • Path C:\Windows\SysWOW64\240600328.txt
              • Size 899KB
              • SHA256 26ceac4a99769a6ee5c43e35c653655090b3f0b9fc7ed64093703f60f8a410f1
              • MD5 SHA1 SHA512 SSDEEP

              Remote Data.exe

              • Path C:\Windows\SysWOW64\Remote Data.exe
              • Size 60KB
              • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
              • MD5 SHA1 SHA512 SSDEEP

              memory/1508-17-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/1508-20-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/1508-19-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/1568-112-0x0000022E34340000-0x0000022E34341000-memory.dmp

              memory/1720-98-0x0000028A45E00000-0x0000028A45E01000-memory.dmp

              memory/2552-39-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/2552-36-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/2552-44-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3428-26-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3428-28-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3428-27-0x0000000010000000-0x00000000101B6000-memory.dmp

              memory/3808-62-0x0000023DDA180000-0x0000023DDA18E000-memory.dmp

              memory/3808-63-0x0000023DDA1F0000-0x0000023DDA298000-memory.dmp

              memory/3808-66-0x0000023DD9FC0000-0x0000023DD9FE2000-memory.dmp

              memory/3808-61-0x0000023DDA1B0000-0x0000023DDA1E8000-memory.dmp

              memory/3808-46-0x0000023DD8950000-0x0000023DD8B8A000-memory.dmp

              memory/3808-45-0x0000023DBCEB0000-0x0000023DBD536000-memory.dmp

              memory/4848-110-0x00000220C0E10000-0x00000220C0E11000-memory.dmp