Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 03:33

General

  • Target

    156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe

  • Size

    2.7MB

  • MD5

    086396b5ec15c99e865357241c3dd444

  • SHA1

    7ed5dc030dccdd127f261827a242a99aba1f716d

  • SHA256

    156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad

  • SHA512

    71754dc05456abe8c375d23f7ef83ac6687fb98a82dc28176425f81a901521684504e89af099e2b7cc2c590fffa1e872df1115d94516ac863ae461c1ee59c7bb

  • SSDEEP

    49152:dQZAdVyVT9n/Gg0P+WhouLDmn29mDvkRAuFkuoJZEtMFniQX4O8b8ITDnlQV:GGdVyVT9nOgmhhLDmn294kRAuFkkmn

Malware Config

Signatures

  • Detect PurpleFox Rootkit 12 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 13 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 7 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 15 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).

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 1 IoCs
  • 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
    "C:\Users\Admin\AppData\Local\Temp\156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4268
    • 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:2436
      • 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⤵
          PID:4932
          • C:\Windows\SysWOW64\PING.EXE
            ping -n 2 127.0.0.1
            4⤵
            • Runs ping.exe
            PID:4828
      • 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:684
      • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
        C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
        2⤵
        • Executes dropped EXE
        • Modifies data under HKEY_USERS
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3880
        • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
          "C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe" --channel=3880.1.1422180787 --type=renderer
          3⤵
          • Executes dropped EXE
          PID:2260
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:960
      • 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:2964
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
        PID:1508
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
        1⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        PID:4952
        • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
          C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240595390.txt",MainThread
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1240

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_156a9d38ec236be04ce7acd098c7bc887a9599895874e595f31c5bbe068135ad.exe
        Filesize

        1.3MB

        MD5

        ca0c67ba7aeba6aed5ddb852e6eea811

        SHA1

        8b8db3434cac650ba795ff9aa8f89a24e4b83410

        SHA256

        1c52b50019786ce77c3338f470a9193f90f71080196198357744cb065b7c6851

        SHA512

        014fc45aa3141e160d5e78b963f065b196c7243ef0e630954de255b787d788f43f443b7a9a69c3b8b6f9e93e3f6ef25fe8ccfc7101fb196358b3459d4d6ec016

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

        1.5MB

        MD5

        03020a3837bc0aa7ac17971b0120fe22

        SHA1

        ba38d2e3d45296498949a89978f1d952fb4bc2d6

        SHA256

        d405a2bfed27811c2dda5cd6fb16000146a220c654e19af4715e0c5dc5e4e51b

        SHA512

        4c7f3670c31e0d6429bc72ef055588c7912e1637148eb45a04bdd67ef8b93144eca2e0476aec2d7d157b44e6a66a11c6b871e23a171ba4adb6cb2be093755d4f

      • 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\240595390.txt
        Filesize

        50KB

        MD5

        d10a77cb218cb255cdc947c2fa310eea

        SHA1

        c2faa3efc10a39d781fda57b43a79a180e47d5b7

        SHA256

        3b049a07ce382c514f1be499ed33cffc64d4bcb8d290b418fde4b3b78895999a

        SHA512

        3241f01a1b75e8cc8ec0f262d541e33e134dd01618babf88ade848e9683b825f266aa7338b981a34e7ccfce704a04db2bedd424683cfdd9397f2fc59cc3913a5

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

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/960-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/960-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/960-27-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/960-13-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/960-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2436-6-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2436-10-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2436-4-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2436-7-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-45-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-73-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-36-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-100-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-39-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/2964-38-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB