Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 04:07

General

  • Target

    6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe

  • Size

    3.8MB

  • MD5

    d01f129bcabff635dba34c3775ef7d1f

  • SHA1

    1f67cf1499111ccec289072013f558b363957389

  • SHA256

    6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb

  • SHA512

    81e617110f4eb12af71542fa56c3c7d671b0aa9b56a0d3be9aca43a05be4c6413d305551d11f1d7834b2ba3c28fc64c79de1105bf8f3cc3ae328a4d8684f9301

  • SSDEEP

    49152:OQZAdVyVT9n/Gg0P+Who2Syn2yZ/s5w7Ab95SagnzK3K+rts9qEAFWrzsR0cTyjz:fGdVyVT9nOgmhtSyn2dekrusgrYIjz

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 8 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 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\6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe
    "C:\Users\Admin\AppData\Local\Temp\6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2268
    • 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:2068
      • 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:2608
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2708
    • 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:2672
    • C:\Users\Admin\AppData\Local\Temp\HD_6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe
      C:\Users\Admin\AppData\Local\Temp\HD_6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe
      2⤵
      • Executes dropped EXE
      PID:2632
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2132
    • 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:2616
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2520
    • 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:2636
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259400038.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:468

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.3MB

      MD5

      bd2d3ed9ff2830ed9c464a63f392bea6

      SHA1

      085ffd9e861782f753e1bbb7ab3425d905d5c9d2

      SHA256

      83af642e15669729351fc657af0b64fecca919c0622c20f963332ad733ed2117

      SHA512

      f4845164d64e45650231079ad4c52bf8c2a879201727633bff809f8a42a6efb2c5ad7bf1e41adee6332b7dca99e878a667dcca39920658246a83caa98a7238f5

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

      Filesize

      1.6MB

      MD5

      b209e9054fcc9fd47ba5acd3af4fa62e

      SHA1

      e2221583699e772d50adef5297c6cc49be7cc904

      SHA256

      f1f2291599841f2a10b26cfe2514f745e5ae2502cbbfe055616174006f118d2c

      SHA512

      07d7a95e8565c0e670230698aa6bd0ec99c72445dcf8f37d405584e5498832a46dc4ea80cd57b17d52ace80be70a3ad57d50bf24a57281bfaecf3efd21b1a449

    • \Users\Admin\AppData\Local\Temp\HD_6075ce57b120917839b2049a2269accb70aaf745d9bf46721f113f0c3e65e5cb.exe

      Filesize

      2.1MB

      MD5

      391fcf5c3b2898036af882d647444599

      SHA1

      359adcf02f64b9215b8a90c0b92bfcd74a894128

      SHA256

      1a89c812630805cc1f876eb2969aa1f88591b18de2a85fa50f7228b1f78f464c

      SHA512

      82d3bcab21ee33926da4515f35a3caaa45404382e596c32b4895f8a2cf753a29053344bccd8e8a18c3826aed9a97add8d94ec0cef965fac5d31dced652bdad5a

    • \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\259400038.txt

      Filesize

      50KB

      MD5

      83c3e3133c0c46d4c3ab7a2bef71c200

      SHA1

      05a6428f2b6342a5faa9d81b0ba723dc3cc119fe

      SHA256

      76be5bac8fc697f342c83d085cda0a11b284df530dfe85af4b1d72f4299a3a23

      SHA512

      d370b546f04c7af4a4b59d32792e015ba5cda3f447dd582f45e81f686ab3a7eba3adac101793484d41126922ef1cc049b90168c283aedd2cd3ac822d86ec5f31

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2068-9-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2068-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2068-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2068-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2132-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2132-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-41-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-39-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2616-32-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB