Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2023, 09:22

General

  • Target

    1bc2cd2d18faa4e0280cd61d904f28712d3610a1df31d876c86752bdcc46691d.exe

  • Size

    1.3MB

  • MD5

    4503a967a388e6881d432289098028cd

  • SHA1

    c482014e9e4e29521ddb793a86d41cf8f151ef1d

  • SHA256

    1bc2cd2d18faa4e0280cd61d904f28712d3610a1df31d876c86752bdcc46691d

  • SHA512

    0a9d0715c99ffc1a2844b5380f0c96905bbe5d6307823eee56e6ff7c260439d89d2330df7d19714c740c198f9ad49b73b96b4ecf7b608d7dbaf043d92acc3288

  • SSDEEP

    24576:3QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVX:3QZAdVyVT9n/Gg0P+WhoA

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 14 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 5 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 12 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\1bc2cd2d18faa4e0280cd61d904f28712d3610a1df31d876c86752bdcc46691d.exe
    "C:\Users\Admin\AppData\Local\Temp\1bc2cd2d18faa4e0280cd61d904f28712d3610a1df31d876c86752bdcc46691d.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4384
    • 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:5044
      • 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:436
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2288
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:4404
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4500
    • 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:380
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3408
    • 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:4244
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240612250.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1648

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_X.dat

            Filesize

            1.3MB

            MD5

            4503a967a388e6881d432289098028cd

            SHA1

            c482014e9e4e29521ddb793a86d41cf8f151ef1d

            SHA256

            1bc2cd2d18faa4e0280cd61d904f28712d3610a1df31d876c86752bdcc46691d

            SHA512

            0a9d0715c99ffc1a2844b5380f0c96905bbe5d6307823eee56e6ff7c260439d89d2330df7d19714c740c198f9ad49b73b96b4ecf7b608d7dbaf043d92acc3288

          • C:\Users\Admin\AppData\Local\Temp\svchos.exe

            Filesize

            93KB

            MD5

            3b377ad877a942ec9f60ea285f7119a2

            SHA1

            60b23987b20d913982f723ab375eef50fafa6c70

            SHA256

            62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

            SHA512

            af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

          • C:\Users\Admin\AppData\Local\Temp\svchos.exe

            Filesize

            93KB

            MD5

            3b377ad877a942ec9f60ea285f7119a2

            SHA1

            60b23987b20d913982f723ab375eef50fafa6c70

            SHA256

            62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

            SHA512

            af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

          • C:\Users\Admin\AppData\Local\Temp\svchost.exe

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • C:\Users\Admin\AppData\Local\Temp\svchost.exe

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • C:\Windows\SysWOW64\240612250.txt

            Filesize

            50KB

            MD5

            b1e0d7f40e14a70196faa1160a3f740a

            SHA1

            e7196dfc5d84b5e95909fad6b10dd6e1e3e6f833

            SHA256

            34d484b7c762ff0e778ce6e154e615cffce55087bd8a02d67ca8d67e86939438

            SHA512

            039deb2e509361f5c530f572d5ddec06a2a927674a6aa668afb03bf2564ed5c97e54821fe53b27ffec93bd711cc54faa357c8f999ba16a1584fe82ae818bff6f

          • C:\Windows\SysWOW64\240612250.txt

            Filesize

            50KB

            MD5

            b1e0d7f40e14a70196faa1160a3f740a

            SHA1

            e7196dfc5d84b5e95909fad6b10dd6e1e3e6f833

            SHA256

            34d484b7c762ff0e778ce6e154e615cffce55087bd8a02d67ca8d67e86939438

            SHA512

            039deb2e509361f5c530f572d5ddec06a2a927674a6aa668afb03bf2564ed5c97e54821fe53b27ffec93bd711cc54faa357c8f999ba16a1584fe82ae818bff6f

          • C:\Windows\SysWOW64\240612250.txt

            Filesize

            50KB

            MD5

            b1e0d7f40e14a70196faa1160a3f740a

            SHA1

            e7196dfc5d84b5e95909fad6b10dd6e1e3e6f833

            SHA256

            34d484b7c762ff0e778ce6e154e615cffce55087bd8a02d67ca8d67e86939438

            SHA512

            039deb2e509361f5c530f572d5ddec06a2a927674a6aa668afb03bf2564ed5c97e54821fe53b27ffec93bd711cc54faa357c8f999ba16a1584fe82ae818bff6f

          • C:\Windows\SysWOW64\TXPlatforn.exe

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • C:\Windows\SysWOW64\TXPlatforn.exe

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • C:\Windows\SysWOW64\TXPlatforn.exe

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • \??\c:\windows\SysWOW64\240612250.txt

            Filesize

            50KB

            MD5

            b1e0d7f40e14a70196faa1160a3f740a

            SHA1

            e7196dfc5d84b5e95909fad6b10dd6e1e3e6f833

            SHA256

            34d484b7c762ff0e778ce6e154e615cffce55087bd8a02d67ca8d67e86939438

            SHA512

            039deb2e509361f5c530f572d5ddec06a2a927674a6aa668afb03bf2564ed5c97e54821fe53b27ffec93bd711cc54faa357c8f999ba16a1584fe82ae818bff6f

          • memory/380-177-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/380-170-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/380-174-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4500-161-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4500-146-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4500-149-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4500-150-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5044-141-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5044-139-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5044-140-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5044-152-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/5044-137-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB