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
    26-05-2024 11:12

General

  • Target

    c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe

  • Size

    11.6MB

  • MD5

    8ff38f6aaa1a2a3433cf4498b5624eb2

  • SHA1

    bdca178f8c4cacfb14b36b30cbfde563e63f0517

  • SHA256

    c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76

  • SHA512

    765dcee5916b12a252fdb2690caa386292ae752e9c62af8ecc579b5d8cefb273b99f55a68a31fd6ce7c60522bb7f0ed89dffb00740a006be5738cb930919cbdb

  • SSDEEP

    196608:RWT9nO7sol7S7J64Xcv3REzJDhe+Mebk43qmtIwdC/iGtdQwGZnlae1wpBnjDqfD:j7sol7S1vsv3Re1c+rIm2wdZ0deC7a4X

Malware Config

Signatures

  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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 16 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: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe
    "C:\Users\Admin\AppData\Local\Temp\c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1452
    • 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:1432
      • 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:3360
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2060
    • 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:1456
    • C:\Users\Admin\AppData\Local\Temp\HD_c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2340
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:636
    • 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:4356
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:5048
    • 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:5056
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240618890.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1712

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.4MB

      MD5

      9fcf7034606f946de3d48e5109f91445

      SHA1

      626b1a31d33458e721fe4535660209999c30bb2f

      SHA256

      688241ffbb8d791eadbeebc5c9c0993624b00e125b4c48750bbfc482389fa54c

      SHA512

      e6b4278f4ae52ac34eb1502ba1c7d7d3802f06b8aee9a6debf6740019494076b35e70657235873bda70386bcd2ab666b9d03b66c0d4ef9233ac9c7985f85f155

    • C:\Users\Admin\AppData\Local\Temp\HD_c880632c6d04e2e720f5ade3eff68a8244a2cc4fdc058931f9f1c95d6c6eda76.exe

      Filesize

      10.2MB

      MD5

      58e93fa650828fb6b78d5ac944cf4c9f

      SHA1

      e7d41eab06a4f7a39eb50fa14bd82c74584c2c37

      SHA256

      e580b0c6244e5d8b534481468fc1d738348598e8aa27c5362946dbe6eb4fbc32

      SHA512

      86700bee6b721f369f931879c264419781ec59ac878be8322f00951d2d62168a1eb6af65dddde8d0df8d097056eba23e9308940d240ad6a6e4a670158226abfa

    • 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:\Windows\SysWOW64\240618890.txt

      Filesize

      50KB

      MD5

      fe3cc67939d8291356ae1c6465ca45e5

      SHA1

      c3ea6c2c16d5749bc0d8bed639b6b6c762727719

      SHA256

      f8927786b68b260cb4cf37435a258ebf5d4a0841451378c476a25632eef44ffa

      SHA512

      d395d944223a24c629312810dc0a7ba57414a1c761bcb0cb4d36c2a8354b6edfe13e2c42b86d2040867ceea134fcf4ed210265a8ba76d678290499275425f911

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/636-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/636-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/636-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/636-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/636-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1432-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1432-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1432-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1432-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2340-50-0x0000000010000000-0x0000000010116000-memory.dmp

      Filesize

      1.1MB

    • memory/2340-103-0x0000000000400000-0x0000000001412000-memory.dmp

      Filesize

      16.1MB

    • memory/2340-49-0x0000000000400000-0x0000000001412000-memory.dmp

      Filesize

      16.1MB

    • memory/4356-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4356-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4356-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4356-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB