Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2023 16:15

General

  • Target

    NA_NA_NA_NA_97cf00b3b36eddex_JC.exe

  • Size

    2.7MB

  • MD5

    97cf00b3b36edd19f479d2254a88b9c3

  • SHA1

    8d60e34ad90eabc26c2555116333f833c4bdcd4f

  • SHA256

    e752679cf81db3b7437a40ed2425a87762d114c479926ee84a4e04af2ceb05d0

  • SHA512

    3e2585196f67be0ae1324305e23b5dd6e5c791e4edb72d3e636186f80f463312ed5de949a5aceee381080040d96ed9dd38d4c7ec8a9a96d17af8c45e683da2c9

  • SSDEEP

    49152:ZQZAdVyVT9n/Gg0P+WhoL9ZglfijXZQvhi84DxhtOr9xntTtxt8XZ:KGdVyVT9nOgmhOYlKjX2cpDxhtOr9xnc

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 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 6 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 10 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\NA_NA_NA_NA_97cf00b3b36eddex_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_97cf00b3b36eddex_JC.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2472
    • 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:2600
      • 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:2388
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2908
    • 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:2572
    • C:\Users\Admin\AppData\Local\Temp\HD_NA_NA_NA_NA_97cf00b3b36eddex_JC.exe
      C:\Users\Admin\AppData\Local\Temp\HD_NA_NA_NA_NA_97cf00b3b36eddex_JC.exe
      2⤵
      • Executes dropped EXE
      PID:2128
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1740
    • 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:2804
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2868
    • 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:2092
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259437993.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1204

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_NA_NA_NA_NA_97cf00b3b36eddex_JC.exe

      Filesize

      1.5MB

      MD5

      691a2bbdc97b90397107a4654c83ab79

      SHA1

      8a725fe015575a9510b2205d51b7a11bf64f16fb

      SHA256

      b67e368cb19e42c70b2a6369942a28e67298730b39e6f6dea1827977b0d46b3e

      SHA512

      de9cd1b0f04c3d02e7ec91e9d8fc8e54e98c227b5a8f650a363e546faba9d22700b2cf2e7a073532939d05a2c12053c78a25b5df00521db23a86600b2018a48a

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

      Filesize

      1.2MB

      MD5

      36bf28a54c1d63ea0e49ca29cf155523

      SHA1

      096c75a05785f46e9060a825a71edf46c6b803a3

      SHA256

      65e533e5bf76ce1d3cb1017f021cf3b3b330796dba2156c697849d3afeb746a3

      SHA512

      00b1f1d123e9344c1213ff73b3bb2e7c66bda0fe689fc5d262edbc3caf505d5e40cced2f586a839c73b0d035df44f64ed53ab452856e019a17980d574510a31a

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

      Filesize

      1.4MB

      MD5

      3fb301c901d7e7ce75174e133e3c6e62

      SHA1

      28cc6a08727d662ac4a1d132f243a8ec7bf0cc3f

      SHA256

      7d446012a35a56941533e7d39967fcc82079df94f56f1358bc2a49b0f458c9b9

      SHA512

      491a85fe20cc8a551060fd42f5f7ef9c9e7c08cd20cccec86e103c9f7ae2454eaa0083f8929a4086588dbbf36806dcfb0ffe0181cd666820d12efd69a962bb04

    • 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\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

    • C:\Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • \??\c:\windows\SysWOW64\259437993.txt

      Filesize

      50KB

      MD5

      ddc984873b53c9a4de787b17bb346492

      SHA1

      b452efd417d2fbd89880eb1bf1ee70c664472767

      SHA256

      d19816ea6f176e907a43ae214dcd0d2db500154bfdde3b10f604063063aa0df7

      SHA512

      18cc4491f1bda169136a95df201b5c6c33099cb84d73dd26823c47ec2dcba1fe73b4d8d7279dae1b358f363f54ad9ae8d1cd077f43653a94a5bfa9d0a1372091

    • \Users\Admin\AppData\Local\Temp\HD_NA_NA_NA_NA_97cf00b3b36eddex_JC.exe

      Filesize

      1.5MB

      MD5

      691a2bbdc97b90397107a4654c83ab79

      SHA1

      8a725fe015575a9510b2205d51b7a11bf64f16fb

      SHA256

      b67e368cb19e42c70b2a6369942a28e67298730b39e6f6dea1827977b0d46b3e

      SHA512

      de9cd1b0f04c3d02e7ec91e9d8fc8e54e98c227b5a8f650a363e546faba9d22700b2cf2e7a073532939d05a2c12053c78a25b5df00521db23a86600b2018a48a

    • \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\259437993.txt

      Filesize

      50KB

      MD5

      ddc984873b53c9a4de787b17bb346492

      SHA1

      b452efd417d2fbd89880eb1bf1ee70c664472767

      SHA256

      d19816ea6f176e907a43ae214dcd0d2db500154bfdde3b10f604063063aa0df7

      SHA512

      18cc4491f1bda169136a95df201b5c6c33099cb84d73dd26823c47ec2dcba1fe73b4d8d7279dae1b358f363f54ad9ae8d1cd077f43653a94a5bfa9d0a1372091

    • \Windows\SysWOW64\259437993.txt

      Filesize

      50KB

      MD5

      ddc984873b53c9a4de787b17bb346492

      SHA1

      b452efd417d2fbd89880eb1bf1ee70c664472767

      SHA256

      d19816ea6f176e907a43ae214dcd0d2db500154bfdde3b10f604063063aa0df7

      SHA512

      18cc4491f1bda169136a95df201b5c6c33099cb84d73dd26823c47ec2dcba1fe73b4d8d7279dae1b358f363f54ad9ae8d1cd077f43653a94a5bfa9d0a1372091

    • \Windows\SysWOW64\259437993.txt

      Filesize

      50KB

      MD5

      ddc984873b53c9a4de787b17bb346492

      SHA1

      b452efd417d2fbd89880eb1bf1ee70c664472767

      SHA256

      d19816ea6f176e907a43ae214dcd0d2db500154bfdde3b10f604063063aa0df7

      SHA512

      18cc4491f1bda169136a95df201b5c6c33099cb84d73dd26823c47ec2dcba1fe73b4d8d7279dae1b358f363f54ad9ae8d1cd077f43653a94a5bfa9d0a1372091

    • \Windows\SysWOW64\TXPlatforn.exe

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/1740-86-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1740-75-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-80-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-60-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-62-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-61-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2600-58-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-95-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-97-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-105-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB