Analysis

  • max time kernel
    150s
  • max time network
    149s
  • 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 18:37

General

  • Target

    b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe

  • Size

    3.6MB

  • MD5

    94070bf7e88439c4f46d45a00756b11c

  • SHA1

    761b39348c98db518bb8ec1e6f73aef350ab604c

  • SHA256

    b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08

  • SHA512

    9e4437371291505309370118fb35a6fa6fc9fbab55cb71da07757e2c7fa782924bfd146636efd48f8bd9735e046d112842bb1ea1e21909401ce9360cf0380f8d

  • SSDEEP

    98304:NGdVyVT9nOgmhONCKK1KKK1KKKHXX0fEojPKYTdlm6JBAUZLB:KWT9nO7a0X0pLLJVl

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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
  • 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 3 IoCs
  • UPX packed file 36 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 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
    "C:\Users\Admin\AppData\Local\Temp\b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1988
    • 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:1676
      • 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:3944
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:3532
    • 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
      PID:4248
    • C:\Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3684
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3404
    • 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:1108
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2052
    • 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:2056
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240600062.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.3MB

      MD5

      57eec3867bfa4bbbe532900163bdcf66

      SHA1

      f2ee1d2bd895c6add491e94b903bf7c7e8baec97

      SHA256

      2228f8f21137d49443774dc86998663e839f0015e374d439c195a523afa39d37

      SHA512

      69ed246fdaddc4b49b3fc97fb80c584b0d9652d784e695bf11d8d4a7f717a41e34542fa50b2c28ebc07c03c22c09a097b0797165fbdfa1262116977420e16bcc

    • C:\Users\Admin\AppData\Local\Temp\HD_b605efb6032394d2c05660feea9e90efbb0ec8f498d471a02637992584e86c08.exe

      Filesize

      2.3MB

      MD5

      30f8d7f450a69aae17bfc82e5e5b094c

      SHA1

      6a767bfef64f9d5d86f198eb01ac6eedcfb2f673

      SHA256

      909b744abe647859f4e2a41b48f62aea0e6ac1aa7c2cf89fd4897f5fcc69522c

      SHA512

      32025ceb0229d77bd7850ccbf1ce8b51014421ca8621be067341984e595b8226df3fd4d75731a1dfa9bdf05501a399651c3da8e28f268999384b453e8cb8547e

    • 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\240600062.txt

      Filesize

      50KB

      MD5

      81fead3ff2933c9ec505ebce02516c34

      SHA1

      2f45d47aa8f6165a6d74a5f0f47a2e1963122c69

      SHA256

      6051848a5a1e53157879782acce4d6866d63ba0857eaea1b4f54169e9169ac9e

      SHA512

      b549cd05ba9a93eda4d690571793bcfbcd37dc4d66be0a34ca3e01d2636e4d2e1b6d19c4800ce7e24c637c71e447e90b515489d3c8c075bdaa316901b5119094

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1108-58-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1108-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1108-61-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1108-25-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1676-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3404-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3404-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3404-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3404-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3404-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3684-144-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-119-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-142-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-140-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-136-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-132-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-130-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-128-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-126-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-124-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-122-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-121-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-116-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-114-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-112-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-111-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-108-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-106-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-138-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-134-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-104-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-103-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-102-0x0000000000C30000-0x0000000000C6E000-memory.dmp

      Filesize

      248KB

    • memory/3684-93-0x0000000010000000-0x0000000010041000-memory.dmp

      Filesize

      260KB