Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 03:52

General

  • Target
    4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe
  • Size 3.3MB
  • Sample240606-ee283sha33
  • SHA256 4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect PurpleFox Rootkit 6 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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
  • UPX packed file 9 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe
    "C:\Users\Admin\AppData\Local\Temp\4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2112
    • 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:4556
    • 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:4292
      • 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:116
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1532
    • C:\Users\Admin\AppData\Local\Temp\HD_4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe
      2⤵
      • Executes dropped EXE
      PID:32
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3104
    • 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:5108
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240663046.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4308
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4360
      • 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:3272
    • 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 --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4860

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            HD_4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe

            • Path C:\Users\Admin\AppData\Local\Temp\HD_4d8bdf58266d68fd74b9f504e654c86f46d849aaa44459b311b7a7e89a6c470f.exe
            • Size 859KB
            • SHA256 002c7fbbf88006ee4fffc5b01a7966f21cc275b20a3aa021bc0002eaff2c8f91
            • MD5 SHA1 SHA512 SSDEEP

            HD_X.dat

            • Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
            • Size 1.9MB
            • SHA256 7ec4cf33789f5a7aeb9dc12035d6c1d8ece1e390e0787bac2f34ae6aca16ce5a
            • 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

            R.exe

            • Path C:\Users\Admin\AppData\Local\Temp\R.exe
            • Size 192KB
            • SHA256 d6ba4ffc7d62909faf9ee8537afd286967c1855031eb03f54cdf771ebf2e7d51
            • MD5 SHA1 SHA512 SSDEEP

            RCXDE18.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RCXDE18.tmp
            • Size 2.4MB
            • SHA256 dcae95299a840340a8e3aff9dc39582efb29a1ed09a2525a9287a509f31a6897
            • MD5 SHA1 SHA512 SSDEEP

            X.ico

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

            240663046.txt

            • Path C:\Windows\SysWOW64\240663046.txt
            • Size 192KB
            • SHA256 3c87db632b76e8e8c93f0840a089d17024d174c95927e2d284ce391b806b1f43
            • MD5 SHA1 SHA512 SSDEEP

            240663046.txt

            • Path C:\Windows\SysWOW64\240663046.txt
            • Size 448KB
            • SHA256 11cc70af12f4fce31d2f2d86d79469a9f309539df89b6ee5fa0a924df25f6276
            • MD5 SHA1 SHA512 SSDEEP

            240663046.txt

            • Path C:\Windows\SysWOW64\240663046.txt
            • Size 899KB
            • SHA256 58418800d27d064d24a70e5bd0d3265456861d23ed3100879e7146f7692c6068
            • MD5 SHA1 SHA512 SSDEEP

            Remote Data.exe

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

            240663046.txt

            • Path \??\c:\windows\SysWOW64\240663046.txt
            • Size 512KB
            • SHA256 a0bbba410e17ffa23dfd361d4f33d2ecb24b686c8b93a104fe8d9638d6ff597d
            • MD5 SHA1 SHA512 SSDEEP

            memory/3272-56-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3272-54-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/3272-51-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4292-23-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4292-17-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4292-20-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4292-19-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4360-26-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4360-28-0x0000000010000000-0x00000000101B6000-memory.dmp

            memory/4360-29-0x0000000010000000-0x00000000101B6000-memory.dmp