Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    31-10-2024 22:09

General

  • Target

    4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe

  • Size

    6.1MB

  • MD5

    3dea6e826d892889302eb5e12e373d98

  • SHA1

    36b878e7c8ca72d9293ff931f01f9e1786cc43d6

  • SHA256

    4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9

  • SHA512

    80bd41ab50ea55a3f478ee5dc0fbd7d9dca7fa68457ebe3e99c11c91776e2f43713d13dcd107f377192ae641be613f5beb51e6671032c074529afe783350e5ed

  • SSDEEP

    98304:EGdVyVT9nOgmhHO8HWDeyTxv90AAvAF6RKLOm91PM+BJBAUZL/Oi:7WT9nO7JqTliKkKR9m+BJVd

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • 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 9 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 33 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe
    "C:\Users\Admin\AppData\Local\Temp\4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2428
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2812
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2196
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2852
    • C:\Users\Admin\AppData\Local\Temp\HD_4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3004
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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:2792
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2560
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259425934.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:656

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.6MB

      MD5

      3b9bf7c7a6f27452fd9dd0717ef13ea3

      SHA1

      0bcdb6b8b4ea632479e5fba97bab5cf978a88765

      SHA256

      549d77fe338295e35bc35da2ebf4aef99319f84aa8d764861b6b277bce36b25b

      SHA512

      a3381c9113601c54f199a52b82fcdf3819d9a4db597adb576257bf48f5290468f82ecdaafc8204e37d53c4a3ac59906bd7be2821e057b8014e517a83442b5eff

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

      Filesize

      1.6MB

      MD5

      db834812dfb43e3971784c31644eadee

      SHA1

      284a5541f0a79f442e479bd5f7fbd16035ba0aa9

      SHA256

      e41a3aee7fb9f956eed92497ac45986d94b69bd459e1db6110f54891a069fa80

      SHA512

      d7fc1bb77d26cf99a3146a4d7ff3ff90c471b8fa03e9110f67362ba2335ed258d1fc74b51828d21f313caf07912d326c5995010121eea5c3ff7988d60619571f

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Users\Admin\AppData\Local\Temp\HD_4314a8a4b6c4c64fef2228c0964ae7163cfe5806184c35927d707bb0050eecf9.exe

      Filesize

      4.5MB

      MD5

      386da48a00ffb5c3279e7f4fc14bf9a6

      SHA1

      301980ba98d6ebb1f34794c3cb9317220728eacd

      SHA256

      cfbf4a0ae44246946751707d832411f36943c2930809db667231aba4610c2e4b

      SHA512

      bc2c2bff7f8806b47b3c1d3fbf1a8ab0c8adfe9338900eadb9d88771706b7013833e065cf8a8da490546db6c129fbe684abfe99480caaf76f166acc2d9c23780

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259425934.txt

      Filesize

      50KB

      MD5

      81d9f42e1aa6682d5ab8c0dd4a3e2162

      SHA1

      c98fb2e97d374e9a2b388e8d6a8be4143a72d736

      SHA256

      0d176474ee43210fd4ebedb7843f744eaa0a85ab45c57d548de3acbe6fc9e9ab

      SHA512

      51dc0af8504e4440d4a8be3a72ee937b05186fd06f93d5dea83ecd120cdbcf03bb17672f0d51e472629336b457327a5f3adc9965835923d965cfccfc590e4902

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2428-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2428-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2428-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2428-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2764-25-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2764-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2792-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2792-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2792-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2792-48-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3004-97-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-81-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-99-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-59-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-95-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-93-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-91-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-89-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-87-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-85-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-83-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-63-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-79-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-77-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-75-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-73-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-71-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-67-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-65-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-61-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-58-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-69-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/3004-56-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB