Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 04:17

General

  • Target

    146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe

  • Size

    1.7MB

  • MD5

    f1d817d68417a0f367e175fd43cf1284

  • SHA1

    497bf7c0fb071462d41a32d45f196744b5840ac0

  • SHA256

    146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc

  • SHA512

    44d7f6f387a094993f179007dbde20fb95b230a03af94243c9542f924baa63625ae68982d60bb993d76806208220410be79f2cca19c85d12037e56241d60e8bf

  • SSDEEP

    24576:fQZoidOTdVZinacCET9Ecl1erdg0MCiVWhFU7cVRvyn26WvWL0vbJ:fQZAdVyVT9n/Gg0P+Whouvyn21A0vbJ

Malware Config

Signatures

  • Detect PurpleFox Rootkit 7 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 8 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
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 13 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe
    "C:\Users\Admin\AppData\Local\Temp\146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2896
      • 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⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1552
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2432
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Server Software Component: Terminal Services DLL
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2440
    • C:\Users\Admin\AppData\Local\Temp\HD_146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe
      C:\Users\Admin\AppData\Local\Temp\HD_146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 44
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2616
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • 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:2696
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2872
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259445683.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1676

    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

            0d67d0cc70e07610637df41603e270dc

            SHA1

            7ad60ac8c0981dbb081ca729127a0ce5b0da26a9

            SHA256

            5c9064ec5c98e8c2ace0747e63028ab4ede90cabd9c6a8fa63f62e7ad78e2298

            SHA512

            fca2322d33b1019f80e6df44079ceb397cfaa3b1c39e78845dd59ccda40120564e428479fa0e951de0f4359e477744d1c6919bee016d16685fceb4d908e8ead8

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

            Filesize

            93KB

            MD5

            3b377ad877a942ec9f60ea285f7119a2

            SHA1

            60b23987b20d913982f723ab375eef50fafa6c70

            SHA256

            62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

            SHA512

            af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

          • \Users\Admin\AppData\Local\Temp\HD_146fb0c902b330dbd010dae01c82d78cd763fce5ea5534a81cd36a527c0533dc.exe

            Filesize

            383KB

            MD5

            7f0e061f5b6f311013968503d4c1d052

            SHA1

            ec7c614426e5ae6c22dda350ed3adb2dae2c7e9c

            SHA256

            be0b500d92c2a93e2ef1770aa3a15e09ed9dbba124fd674a778215bd58add2ad

            SHA512

            0b3c718e343aa46747e3da493c59e312eddb25177168e11210860be8d534f8f447f76b208f8bbb73b51e8a186730439fb82bb5bda3f56fa3b3eeb8d0e9b5eb8d

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

            Filesize

            377KB

            MD5

            a4329177954d4104005bce3020e5ef59

            SHA1

            23c29e295e2dbb8454012d619ca3f81e4c16e85a

            SHA256

            6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

            SHA512

            81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

          • \Windows\SysWOW64\259445683.txt

            Filesize

            50KB

            MD5

            ce3a0c27c35ecec0bc93c57d748df9e1

            SHA1

            31c587ca1339875b65b94d8af3a2b9c180c88a39

            SHA256

            76d45dbb50efbbebd83c11580b1727eef4558082e3375ab9a03ac9a8c6b0ed31

            SHA512

            a2098bca9c370041b700831e00967c334b6fae2834f332eefda05fb924dec91ab6b4003562c7d2d0d770514d6cbc73413de084a6aaaa3e67aa61333080eeca30

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

            Filesize

            43KB

            MD5

            51138beea3e2c21ec44d0932c71762a8

            SHA1

            8939cf35447b22dd2c6e6f443446acc1bf986d58

            SHA256

            5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

            SHA512

            794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

          • memory/2264-30-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2696-38-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2696-34-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2696-50-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-9-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-5-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-7-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB

          • memory/2896-8-0x0000000010000000-0x00000000101B6000-memory.dmp

            Filesize

            1.7MB