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, 05:58

General

  • Target

    03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe

  • Size

    1.7MB

  • MD5

    ba699310acdeb6522a2cf3959654b765

  • SHA1

    cf1911e70346e725d22badc8a4a99dcc52b88633

  • SHA256

    03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40

  • SHA512

    785c43135e51d8693d17ef6322c7310f5b3bdccfd817c6a4d4fcd4c32421a19759bac4e9c64e49e2cbe20b4aa88bde7513f5b3583b68084e8c228c0ccb472159

  • SSDEEP

    24576:dQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV7wT824v/4CFcKOHF:dQZAdVyVT9n/Gg0P+Who6wTh4RKHF

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 11 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe
    "C:\Users\Admin\AppData\Local\Temp\03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4224
    • 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:4468
      • 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:3300
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2092
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:5064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 228
        3⤵
        • Program crash
        PID:864
    • C:\Users\Admin\AppData\Local\Temp\HD_03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe
      C:\Users\Admin\AppData\Local\Temp\HD_03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe
      2⤵
      • Executes dropped EXE
      PID:3772
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2896
    • 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:2976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5064 -ip 5064
    1⤵
      PID:4340

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\HD_03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe

            Filesize

            317KB

            MD5

            ff83181fdff4572e4d21d3273b02e9f2

            SHA1

            04cba441a09e9cb3dbfbc80039bc7fad57bd4791

            SHA256

            a87637db46b2076a44ca7399eb4d87a2fe0113147aa403b3b9c8ac7d365432f1

            SHA512

            6f290a48f56e13db394ddb4f59e452dabe18130b90281a220f3c25a0595b4cd898c92dfa8a4c11c442ce371f67f3d52aeaa188c39858979b33ff803f4b388291

          • C:\Users\Admin\AppData\Local\Temp\HD_03d73ef8b5ccf2a6d9825ca507d07259b5ecb50f6f56393e5b19ed34484b4d40.exe

            Filesize

            317KB

            MD5

            ff83181fdff4572e4d21d3273b02e9f2

            SHA1

            04cba441a09e9cb3dbfbc80039bc7fad57bd4791

            SHA256

            a87637db46b2076a44ca7399eb4d87a2fe0113147aa403b3b9c8ac7d365432f1

            SHA512

            6f290a48f56e13db394ddb4f59e452dabe18130b90281a220f3c25a0595b4cd898c92dfa8a4c11c442ce371f67f3d52aeaa188c39858979b33ff803f4b388291

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

            Filesize

            1.4MB

            MD5

            5cedaff71e6e0bc0f5bff7aead2023ad

            SHA1

            2a0576b588d433ebf297ae148a8e162eeca88e43

            SHA256

            39b2856c0f880da2e36f2e2ef8d6b5d1a18fef13385ee7b60fc2be159c3ec3bc

            SHA512

            c580055258e8609a5fdb07d2d0167c9919f7e13af761549bf752074770853db4a7d84df13a51e268f610d917fe41b4232c6d4cf7bb5b8bd28860ba8ce4dfe20d

          • 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\240616562.txt

            Filesize

            50KB

            MD5

            fb82e07cb3a53c242a0cdb5ef98ac031

            SHA1

            e5014296741d987b542475a0447f76980f00ae34

            SHA256

            8e8d0e73220e80394e41886dce54b03a21c049bc19e4fbe392c90ea37028527b

            SHA512

            1af7476c5ffac9c53ec2d7a6da03175ba624d1e33015d447b11c2d55a74ff0639c5ebd80529575dd034d4771e8c2af9ecd9f5da7e9cc74761b78caddce8ff6dd

          • 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

          • memory/2896-162-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-149-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-146-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-150-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2976-170-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2976-166-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2976-169-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/3772-177-0x0000000000710000-0x0000000000711000-memory.dmp

            Filesize

            4KB

          • memory/3772-221-0x0000000000710000-0x0000000000711000-memory.dmp

            Filesize

            4KB

          • memory/4468-155-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4468-141-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4468-139-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4468-140-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/4468-137-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB