Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 17:53

General

  • Target

    ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe

  • Size

    1.7MB

  • MD5

    d3fd49167aa2ab7643ef98acf05bbaa4

  • SHA1

    16e14730a8229b23c9aac3d5177f6c05b26a6f71

  • SHA256

    ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14

  • SHA512

    c2dd5ce2ce126d1cb36c61b39e6451d2dc5b477e12e9676a6a6a9055525f7da674fd4324a136f24d10aa9bbc7fd48496ad7f86cb9b6dc35f2140d456a8f49027

  • SSDEEP

    24576:7QZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cV6lCMGbpMbMY:7QZAdVyVT9n/Gg0P+WhoTCMGFMbMY

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 7 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 29 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
    "C:\Users\Admin\AppData\Local\Temp\ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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:2192
      • 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:2060
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2704
    • 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:2644
    • C:\Users\Admin\AppData\Local\Temp\HD_ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
      2⤵
      • Executes dropped EXE
      PID:852
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2024
    • 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:2668
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2600
    • 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:2768
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259395576.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2624
    • C:\Users\Admin\AppData\Local\Temp\HD_ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
      C:\Users\Admin\AppData\Local\Temp\HD_ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.5MB

      MD5

      404e59a27189f3cd06b85f3caf043355

      SHA1

      bfff7ed448a2f7db15eb0d445d78ab2eafdc2f5f

      SHA256

      e608e58f9f3bba072cb7d07cf6ae9ea2b454310445eac752c97c926f8a207914

      SHA512

      d26a6d9f937f016b8a61c43b57ffdaf69838bee3c658785a2b5731b85c46474573050e6dd551cfe346c2fce91a48e44e7a57c6c4ba702d4229eaec0ecfb0fc32

    • C:\Users\Admin\AppData\Local\Temp\HD_ab3cc5ac5d8d917de0c1b98c1a941100af83329f3747e35b6e9a307011e80e14.exe
      Filesize

      199KB

      MD5

      64271b5d626fdee59c0b05a1ee979938

      SHA1

      d728d30dfb4c8272fb9d1705eafc003dfe9ec1e2

      SHA256

      394c0fcff37a79de43a75eb484faa362a5f147fb8557a06fd6d2e3121322eb22

      SHA512

      8e4a417929b9758f8b5da084b108ecd10bc599168b8bb96a09a881452bdfd16da302ac408af91692bc5e2c7d8f9488b2dafc5c01837a9a8c3d9a888241758820

    • \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\259395576.txt
      Filesize

      50KB

      MD5

      e77f0a4c0780b816c6cc65a0b0e2f7eb

      SHA1

      a78e9b8e139f7f25f1d76346d8c32268a0a5dfbd

      SHA256

      d164993ab8553f0910d5e4fa26dafbd1ec3b3e4b5edbfbcf698840e51aa70f01

      SHA512

      b9d588f91c509ba15b41f2054a2eef02511164b5fabf9889b63c6dd1541839d8ac7f757e8a5b5e2433b7431d84e9181519ad3b497c7eb56ba38e07e95f25af49

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

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

    • memory/2024-18-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2024-28-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2192-12-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2192-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2192-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2192-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2668-39-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2668-35-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2668-52-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB