Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 11:04

General

  • Target

    d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

  • Size

    4.9MB

  • MD5

    d1084e4663972bacbb85f916315910f1

  • SHA1

    444f6412a8edc1a394120548bb78316917cc45e6

  • SHA256

    d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9

  • SHA512

    c4521d64209eecb58d4195d20d5bdbc2b97dc22cee55999288f0ef048faa11647421dec291dad2e3eb2a3e94ad29a1cbad025369272e14079464095c921b7cba

  • SSDEEP

    98304:ZGdVyVT9nOgmhapDdZz1KqJLj0CQvRmjaboC1aan83:GWT9nO7sphFELNZ1t83

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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 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 12 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 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
    "C:\Users\Admin\AppData\Local\Temp\d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2924
    • 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:2028
      • 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:1296
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:4188
    • 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:1664
    • C:\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:396
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4528
    • 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:2092
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:1904
    • 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:3480
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240596578.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2940

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.5MB

      MD5

      cf83cf198cbb57576352ad3716451818

      SHA1

      0e420459220dba71b48758720544957f6d926da5

      SHA256

      cfbb6df8d21b26e1e3822eba01440b21b5b63311ca653e37eaa15e8feaa5f3d2

      SHA512

      0212838b01507d5b958b051f15996e077ff627a4adcfaf3bfc891033858066d0045d4d688ad378139ab068c0fe1ce9cefa0ed53fdde9dba7e14f51d3f64ee54f

    • C:\Users\Admin\AppData\Local\Temp\HD_d939fd99d27930b0b599c12c39ee88233be9de2e1b624a4f2433fba710d3a4a9.exe

      Filesize

      3.3MB

      MD5

      115b2ff4cd48b313eef94d3e94dc22cc

      SHA1

      439b85e37cb59e4a576bb5ed474907fd53b40d3f

      SHA256

      a480255fb4e8732955c413da0774aa38b4abb7739bd488c66e4533e0bd28798d

      SHA512

      4e68b4051e18f1e03d4c6b7420e4fe08ad080ef6968ea37354571b809da72628fe3392c87b53090423e3ceeb0103a43db81fa90a7b63c649c4b170e1e51c7f76

    • 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\240596578.txt

      Filesize

      50KB

      MD5

      a5c849d32d0a83474a74ca3188e3d3fe

      SHA1

      87ca3c51e0e79c6d571a3615f67053cb7f788fea

      SHA256

      2405cab154d311f1f6475f70e0f0e86048fcf9301349618b2925d32e9a57d191

      SHA512

      1bcca7e55d46b56d46170a27df30c9f3a0747b48aec5f3d790bd1167b1b1779f3af583d5cac44d77df0a3c60d7d7b7eb4015695d7dee3037fb8e70e668eea3b8

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/396-95-0x0000000000400000-0x000000000075F000-memory.dmp

      Filesize

      3.4MB

    • memory/396-119-0x0000000000400000-0x000000000075F000-memory.dmp

      Filesize

      3.4MB

    • memory/2028-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2028-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2028-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2028-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-43-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2092-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4528-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4528-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4528-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4528-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4528-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB