Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 10:55

General

  • Target

    22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

  • Size

    1.7MB

  • MD5

    472e017f0768eb4f1d9e59e8e09404c2

  • SHA1

    62f1347097d12c771f33a48e11ab722ca4a419ae

  • SHA256

    22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0

  • SHA512

    a384f4aa1fb01e5353470baea14e7d4b03238840cbfcaba1a6b6b7fd9a23c96e4de1c68195187abaa99962e2bd5a4517c58dc036c33b2f50c4f63a032eeb14e6

  • SSDEEP

    24576:kQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV5zGLroOg7i6j+qM8+Eo0DFukl:kQZAdVyVT9n/Gg0P+WhoTRopj+619

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\22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
    "C:\Users\Admin\AppData\Local\Temp\22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2152
    • 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:2408
      • 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:2668
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2876
    • 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:2728
    • C:\Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
      C:\Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe
      2⤵
      • Executes dropped EXE
      PID:2700
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2804
    • 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:2752
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2560
    • 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:2640
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395888.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1824

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      1.3MB

      MD5

      1df1cd5acca60ca83ad5321e13e9cae6

      SHA1

      67065de18cdfb106b15f6bbcd51cc6da2567aec1

      SHA256

      2ee19e31d4d6d048707a0531475139d676eed9ec5844d3bd53dc29125c5725e8

      SHA512

      6e8ded34b9c2e66e14b3060c07b4a81a4c7a974fe3819a53d34dee8f850c4d1636f2e23a16cbefe5be66494e5affdf80ad52a17fe7b4c476940bbe5cb82124e2

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

      Filesize

      1.3MB

      MD5

      78c218ad3e8f87bf8f76fb4eaf7d0e47

      SHA1

      ab82659cefcea1fb7d449ba6bae37ae9b3b8358e

      SHA256

      cb51ff3a2f926a45ec9efea3d7f8887986022c191fbbb862fa8e1f5dfb46fb7f

      SHA512

      64b9842a44b43d14aafa3ab12b799fb886611503e9fc924c908508af48868d8bc1bc39db0046991e4bc5e1d8d186a468eeda1de83c08d1302d36cca5bcc6849c

    • \Users\Admin\AppData\Local\Temp\HD_22b13f1bb408a1be85df1306f62ab127de92cd3d3bcb6d4144fb0e9f428124b0.exe

      Filesize

      439KB

      MD5

      ecce8dc700265c1630a6b78a0d296c47

      SHA1

      19b3ba3d2919ae6950446fd098a9668c0d6c9444

      SHA256

      09990c28fb72af87e75f806b513eb011191b1a82604f9bef0dc7fb3f93db951e

      SHA512

      7a80d50fbbd8aef5a2f6aa0bec3952f22bbad94b3c80d00e714af5fcb8402357ca197f9121e3374fe2a536e3a08b6b48c692804fb1be489d98cb42a583dd814d

    • \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\259395888.txt

      Filesize

      50KB

      MD5

      8a8c0b4a6142cfb7999fc3913bbb3778

      SHA1

      aa23751ff40d50b14f38f0fa65faa6ed3af9f278

      SHA256

      f4910990e7bb5dca76582a998ee6d76c78d963f233620089616bcb7f64cd3777

      SHA512

      b1a4774acc6acb7102ca2f612e5f8496227513cf4b94dd2338eadd0db70cb5e0b6a5500eade23eae9577259fe77ded4a0602573702feae3895b043baa6d0b6e3

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2408-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2408-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2408-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2408-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2752-35-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2752-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2752-44-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-34-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2804-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB