Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 13:14

General

  • Target

    d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe

  • Size

    3.0MB

  • MD5

    33274ad0abd551220b9103e4134f76f6

  • SHA1

    1944312a1f4d558477d7c4eed65075199cbda7c9

  • SHA256

    d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979

  • SHA512

    8777f81d2da157d49ca1c3a961da883a24a513458091dffed55207854a33c5dd0b34155124d67923c77b42ecc890a4cf57cb610a4c92d36a44a291d5410c73a8

  • SSDEEP

    49152:vQZAdVyVT9n/Gg0P+WhoQ8hAuFL+yleVZ7HuGams7EenTt/F2GGAcPDL:IGdVyVT9nOgmhnjZcms/FqPDL

Malware Config

Signatures

  • Detect PurpleFox Rootkit 8 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 9 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 8 IoCs
  • UPX packed file 9 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 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 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe
    "C:\Users\Admin\AppData\Local\Temp\d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2320
    • 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:2180
      • 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:2956
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1676
    • 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:2776
    • C:\Users\Admin\AppData\Local\Temp\HD_d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe
      C:\Users\Admin\AppData\Local\Temp\HD_d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe
      2⤵
      • Executes dropped EXE
      PID:2660
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2728
    • 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:2788
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2552
    • 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:2816
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259393673.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\VideoLAN\VLC\vlc.exe

      Filesize

      2.2MB

      MD5

      c0c563b8d163beeb407b0140eebba4f5

      SHA1

      a3cb826e9e7458027a7c0bccf305bf04566617a3

      SHA256

      35ce572da0f5baad84c8c049e88adb5172dc26221891a95c2d927bf9b8b8c7bc

      SHA512

      1d4a03d40153738581189d7db4394c5adf0d58d497e3ff8dfcd0e5491ce44d8bd2429735484a14233e46cfd1b326a6096dc07c5a81c64b0432f932cd86f9d519

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

      Filesize

      1.3MB

      MD5

      4655e6f9e058ecebe284a5a6af8b4d31

      SHA1

      b164f88989835daa0489061fe693a035ce3bf950

      SHA256

      9f48d9617d68fa8b1b771547f6942525e7a05e03d4effc05ab27b64d91286020

      SHA512

      17201f55f5fe4284dab6b574495be036618bbb1ec80328f4c99aa2d1af4f34d3e982d7c533cd2b3e4aa7d31908a7e2daffbf7d9718256193885033f7c7bff7a7

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

      Filesize

      1.2MB

      MD5

      7b926ffded577df19b6548d23af39c30

      SHA1

      277c3bacc5db433c732765318ba4244f9388161f

      SHA256

      07bcec8b073fe7bc62d20bb47a4194c32fa51f5642d8bf18998df5f7692b8d63

      SHA512

      689b10e1d6b1d571a37438ce286ffd80fdf2ec0c0c74722eb0301beeb95902113eee824cea9e9aceac4b98c7722c6e713d94b22984e8a32a77e45d4ff7f074ba

    • C:\Users\Admin\AppData\Local\Temp\HD_d1059cf96427c81aec5438cf22e0152b3e5445615f6d2b1fb733f34cf33e1979.exe

      Filesize

      1.7MB

      MD5

      436ba21bb06051d2c4652ecb447febf9

      SHA1

      d24d184c7b6fe73f1cebd44388755fda934ad334

      SHA256

      3aa66cf999c30e170dfbd7b1a2b6cdcf6844cfbab9517c0172d61bb441e787a8

      SHA512

      d0872b3623f59f7684597fce885652664740e86cf22bc94edd5c19b36381522d0289055539fe4dda5280ad37604418e5913418edc63747994d14e3a877ac8b26

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

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • \Windows\SysWOW64\259393673.txt

      Filesize

      50KB

      MD5

      4aeb4feef375f37545e8b1cf4e78d25c

      SHA1

      3f1e06814e35fc0d45c29fe6d0eaceafa6506c32

      SHA256

      30a6d1a9fe859ee7bf2427f8f28c62b58d4a616e1bcd294ae99971e9b818ef69

      SHA512

      222a127614c13d805d4ca0242fc9355c696ad2c71198cb868d86558ebc5bc761fce9daf6cc64c2922c97e713edb354d7d3eae04b9518d25e6397daaa0fe0cfde

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2180-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2180-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2728-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2728-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2788-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2788-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2788-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB