Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 09:37

General

  • Target

    b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe

  • Size

    1.5MB

  • MD5

    264d325103b5ee59469efad64ae42a3f

  • SHA1

    97c22fafc80983e0914a3b965d76e4da4715da77

  • SHA256

    b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a

  • SHA512

    e4b613540831005c2791f88123cf1a7e3794cd28c73bbf645cb0203f50b2795b04bd5185bc7f9835fdb4566dd73418df93c9a4b401e3c5da9111f59afcbc2ec8

  • SSDEEP

    24576:ZQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVewpep3M4Y+WN5mmT7K/:ZQZAdVyVT9n/Gg0P+WhokpepMvfK/

Malware Config

Signatures

  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 10 IoCs

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

  • Drops file in System32 directory 3 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe
    "C:\Users\Admin\AppData\Local\Temp\b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2128
    • 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:2412
      • 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:2580
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2512
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:2752
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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:2724

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

    264d325103b5ee59469efad64ae42a3f

    SHA1

    97c22fafc80983e0914a3b965d76e4da4715da77

    SHA256

    b3cc383cc7e81643adcbfd130137eb29ba2250076489b75e320903b8e199999a

    SHA512

    e4b613540831005c2791f88123cf1a7e3794cd28c73bbf645cb0203f50b2795b04bd5185bc7f9835fdb4566dd73418df93c9a4b401e3c5da9111f59afcbc2ec8

  • \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\259402877.txt

    Filesize

    50KB

    MD5

    c6b69ed9c157b2424ef400f168a6e1d6

    SHA1

    910da6a4239a6dda755eb19e6f6ff2d739d01589

    SHA256

    5abd290cbdd00d1c18303c648513249516ac983af73b6d878703f5bdc6429028

    SHA512

    e8a98350dd12571e9077bb8a39efe4d6d4b041b4031242568baa1feea8c57812692c7b1c52de37dfb09053433601288f0cfa216cb04bff46f1f4b83a09867900

  • memory/2412-8-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2412-20-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2412-12-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2412-5-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2724-33-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2724-34-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2724-38-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2724-43-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3040-18-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB

  • memory/3040-29-0x0000000010000000-0x00000000101B6000-memory.dmp

    Filesize

    1.7MB