Analysis

  • max time kernel
    150s
  • max time network
    150s
  • 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, 09:22

General

  • Target
    88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe
  • Size 13.4MB
  • Sample240625-lbwepa1dmc
  • SHA256 88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 4 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).

  • 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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3960
    • 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:4528
    • 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:1192
      • 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:3712
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1216
    • C:\Users\Admin\AppData\Local\Temp\HD_88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe
      C:\Users\Admin\AppData\Local\Temp\HD_88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1616
      • C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe
        "C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe" --conf-path=C:\Users\Admin\AppData\Roaming\datatemp\aria2.conf #--save-session=C:\Users\Admin\AppData\Roaming\datatemp\aria2.session --input-file=C:\Users\Admin\AppData\Roaming\datatemp\aria2.session --rpc-listen-port=7022 --listen-port=7055 --dht-listen-port=7033 --enable-rpc=true --rpc-allow-origin-all=true --disable-ipv6=false --rpc-secret=123 --enable-dht=true --enable-dht6=true --dht-file-path=C:/Users/Admin/AppData/Roaming/datatemp/dht.dat --dht-file-path6=C:/Users/Admin/AppData/Roaming/datatemp/dht6.dat --bt-external-ip= --stop-with-process=1616
        3⤵
        • Executes dropped EXE
        PID:1548
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:1288
    • 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:1036
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240600640.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1200
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1392
      • 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:4844

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HD_88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe

          • Path C:\Users\Admin\AppData\Local\Temp\HD_88e13fee5443904ddf2fea5832902f45f6549fb27dc6cc96772e95ccca036e7c.exe
          • Size 10.5MB
          • SHA256 830ecced461f78c91dedeb58bc68c60b5e92610363275e708dab5653b33ecd6c
          • MD5 SHA1 SHA512 SSDEEP

          HD_X.dat

          • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
          • Size 2.9MB
          • SHA256 cc4e5073aec418ab12d693fcd6bd284d0674ab0730731f01c1803e42336ed617
          • 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

          aria2.conf

          • Path C:\Users\Admin\AppData\Roaming\datatemp\aria2.conf
          • Size 55KB
          • SHA256 0ee9c9e686a595f86d25854bca6e92e8bfd51437a28306b4eaebf736156cc7ee
          • MD5 SHA1 SHA512 SSDEEP

          aria2c.exe

          • Path C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe
          • Size 4.8MB
          • SHA256 cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a
          • MD5 SHA1 SHA512 SSDEEP

          libcurl.dll

          • Path C:\Users\Admin\AppData\Roaming\datatemp\libcurl.dll
          • Size 2.5MB
          • SHA256 fe100d35b034c15ae3b74379f4eedd321c8e4b84fe666b54ee924ca2a8bdca6e
          • MD5 SHA1 SHA512 SSDEEP

          240600640.txt

          • Path C:\Windows\SysWOW64\240600640.txt
          • Size 899KB
          • SHA256 894dcebd356423a71efa1f33778cda327e0c1f3509ca563a72d05b18ac2513d8
          • MD5 SHA1 SHA512 SSDEEP

          Remote Data.exe

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

          memory/1192-19-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1192-23-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1192-20-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1192-17-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1392-29-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1392-28-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1392-26-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/1548-95-0x0000000000400000-0x00000000008CE000-memory.dmp

          memory/1548-97-0x0000000000400000-0x00000000008CE000-memory.dmp

          memory/4844-35-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4844-39-0x0000000010000000-0x00000000101B6000-memory.dmp

          memory/4844-42-0x0000000010000000-0x00000000101B6000-memory.dmp