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
    25/06/2024, 08:50

General

  • Target
    87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe
  • Size 15.7MB
  • Sample240625-krqnpsshkq
  • SHA256 87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 6 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 10 IoCs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe
    "C:\Users\Admin\AppData\Local\Temp\87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:1240
    • 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:1876
      • 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:2780
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3820
    • C:\Users\Admin\AppData\Local\Temp\HD_87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe
      C:\Users\Admin\AppData\Local\Temp\HD_87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Windows\SysWOW64\netsh.exe
        netsh int ipv4 set dynamicport tcp start=10000 num=55000
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        PID:1924
      • C:\Windows\SysWOW64\netsh.exe
        netsh int ipv6 set dynamicport tcp start=10000 num=55000
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        PID:2168
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 1076
        3⤵
        • Program crash
        PID:1764
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:4420
    • 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:4592
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605281.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4060
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2064
      • 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:2436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4560 -ip 4560
      1⤵
        PID:2176

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            HD_87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe

            • Path C:\Users\Admin\AppData\Local\Temp\HD_87edb6ee10d7394d3c81c310059d1cf24539d59580c19311b9b4c4e020359a5b.exe
            • Size 13.4MB
            • SHA256 a8b9dd190a7bb2b354d28ef36d467de1ad2978bfa3830ffaae7c7c38d34a2a29
            • MD5 SHA1 SHA512 SSDEEP

            HD_X.dat

            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 2.4MB
            • SHA256 2862953a9e84f7c6c7270960279cccf2ca9c2e9141adf4439f78c311c7b86eb0
            • 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

            iext1.fnr.bbs.125.la

            • Path C:\Users\Admin\AppData\Local\Temp\iext1.fnr.bbs.125.la
            • Size 728KB
            • SHA256 0af365b5db119b2f43d72cb75f3f0302bbaa3a05ef61ef71c256c231713be5dd
            • MD5 SHA1 SHA512 SSDEEP

            wgcore.dll

            • Path C:\Users\Admin\AppData\Local\Temp\wgcore.dll
            • Size 3.3MB
            • SHA256 e879ad8e8930f8a82198927973ab6592609397ca750f6f66b31ed68632e869d8
            • MD5 SHA1 SHA512 SSDEEP

            240605281.txt

            • Path C:\Windows\SysWOW64\240605281.txt
            • Size 899KB
            • SHA256 6a3545a06b8d9d691560b764680ba822d038e4ba557f59a5149ee2c810c39796
            • MD5 SHA1 SHA512 SSDEEP

            Remote Data.exe

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

            memory/1876-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1876-23-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1876-19-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/1876-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2064-28-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2064-29-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2064-26-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2436-40-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2436-35-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/2436-42-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4560-46-0x0000000000400000-0x00000000014E9000-memory.dmp

            memory/4560-69-0x0000000072E90000-0x0000000073A9E000-memory.dmp

            memory/4560-76-0x0000000000400000-0x00000000014E9000-memory.dmp