Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 05:28

General

  • Target

    82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

  • Size

    1.4MB

  • MD5

    ac3539b11e0cf04d6fb7ea49f37eb902

  • SHA1

    43c2c37f03ff189be09c121fcdf1518f14166d37

  • SHA256

    82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332

  • SHA512

    24cbefd883c63a02e6b3b1a2ff0c579de7cd0518ee1c25dc4d3aa040d5782e579e135e3ed018f01e5d17365b08bd76347e1f8dff68d1101c23dd436b790fd42f

  • SSDEEP

    24576:ZQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVkBkJ:ZQZAdVyVT9n/Gg0P+WhozBW

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\82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
    "C:\Users\Admin\AppData\Local\Temp\82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1652
    • 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:3068
      • 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:2556
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2472
    • 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:2664
    • C:\Users\Admin\AppData\Local\Temp\HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
      C:\Users\Admin\AppData\Local\Temp\HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe
      2⤵
      • Executes dropped EXE
      PID:2956
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2636
    • 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:2688
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2448
    • 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:2464
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259400537.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2748

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\HD_82fbd937fa656d4cd4f65b20e1bd183383b635fc0cd67b22aa4d43c4b361e332.exe

      Filesize

      157KB

      MD5

      b4aba4549ec64109971711a9c4b5f8a3

      SHA1

      d4678f5933d5e3f8fb9f46892bf59a02712d30c1

      SHA256

      50d38e75f52e5554230a6b38ff94378721ea8265ff997199fc392511ad952ccd

      SHA512

      21b170d8686f362833d4d834c4c27bcbf41358b050e9f5aca07103f3119ecdaea13666db6f6bfbea7203f5a64f8db9cf24385233f4cff8c9f99564815a1d936c

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

      Filesize

      1.2MB

      MD5

      25ed420ed8953892ea1a0ef107f7cc3b

      SHA1

      257151be24006f754e5c018aa47b50bb7d19a711

      SHA256

      c290f1353912ac69d1d39280fd528919018146d8e290e389e9f51d6bceba29dc

      SHA512

      cae125c49c42d1d80648c5e84640b386783d44bc2945f5827a810b990bdf0ec743977db52f84cb6df67b55f437e9d01e9e3ead685904ba2f8f48ec991a28b634

    • \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\259400537.txt

      Filesize

      50KB

      MD5

      f5c76e8b36eb84bcf4a2da259767b7f7

      SHA1

      48fdd1340bc5e95d3fb742570bca6585c3af794e

      SHA256

      ba1bedbf5ac9e59c8588a15d5527322ae01ccd9fb566eed503664d9ef76c9312

      SHA512

      502368cca272e3ad61301d2974c7bbc879123ee0f8492dd79976b55f9c412b5adfed0cd0826b3a5dd5b02d172962b95f7ab9e8e0a2e3960a8a8037a8b97cc341

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

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2636-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2636-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-36-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-31-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-30-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2688-40-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3068-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3068-12-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3068-8-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3068-5-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB