Analysis

  • max time kernel
    7s
  • max time network
    7s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 08:55

Errors

Reason
Machine shutdown

General

  • Target

    fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

  • Size

    3.5MB

  • MD5

    b8fcc4747f67e9407353f3ea30ebf4f6

  • SHA1

    94e23d8ff1bf48d5aa5a92a8f72543e75c2a5b46

  • SHA256

    fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd

  • SHA512

    b0cc4cf7bf72bad1a0725f2ce38f7eb131f8523548f077ef7b8f030618ba4d3e3d98cc72cc7d0025771dd3a03f27167e1c2e771c04ac31961bf620acac5f6f0f

  • SSDEEP

    98304:PGdVyVT9nOgmhZ0XHUhl1iB2PokJog/2Q:sWT9nO7x1od

Malware Config

Signatures

  • Detect PurpleFox Rootkit 10 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.

  • Gh0strat family
  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Purplefox family
  • 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 7 IoCs
  • Loads dropped DLL 9 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 6 IoCs
  • UPX packed file 9 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).

  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
    "C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.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:2424
    • 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:2244
      • 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:2688
        • 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:2844
    • 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:2588
    • C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
      C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2904
  • 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:2800
    • 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:2944
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3040
    • 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:1952
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259454919.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2976
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:1580
      • C:\Windows\SysWOW64\TXPlatforn.exe
        C:\Windows\SysWOW64\TXPlatforn.exe -auto
        1⤵
        • Executes dropped EXE
        PID:2876
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:572

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.6MB

          MD5

          7823e8eb618e981b8c1965e169a2de5f

          SHA1

          a0e6b32d7c70a670fa85de292c44edb12cf15071

          SHA256

          efb35ec1e073aa02aa87ee6e5ec8730d5ecf75576ab86c3ebb858dce986b385a

          SHA512

          127f8be7131e245bc469ad6f5be23242723b001bdedc271ee6573ba97841ef3687f835a390aef47b66c04a2053d5b9ddcd42df63418bdf54dd3f69ae72ff7b81

        • C:\Users\Admin\AppData\Local\Temp\HD_fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe

          Filesize

          1.9MB

          MD5

          a027b7050802b9d8b28449ace820e89d

          SHA1

          44f5f786f31473289ef61aacde95b347bcaf927d

          SHA256

          7b1584a518f1ee692fb2fdb96634744b4b919eda1599594df93e6a7db33c6cde

          SHA512

          40252ffd225203737ee819fdae3f84bc14c8bcfb79c7ea87660e98ff2821c27e262f75d9ac512fdd8db7952f9a857f649b1872d1b962b27bb417369f0121367c

        • C:\Users\Admin\AppData\Local\Temp\X.ico

          Filesize

          71KB

          MD5

          fb44f7af2882d222b600539171f54c1d

          SHA1

          0c5a1a0b1620a55a0f194464227be25a2f0347e1

          SHA256

          f2a78e76259bc8fd4ab6af7b4e16dfb49a10643308aca3d14c09e61ac0ebd487

          SHA512

          21e906473f64303c4c8d55213ccb84f4a803c11fb5eef34ce3194adfb391ccbcc91e7c399556c7a4e4f3d33b9b19524d4499ec771ee8e1a10df26ea7cc2dcb67

        • C:\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\259454919.txt

          Filesize

          50KB

          MD5

          5fbcc30e98caae554c19834c3527daca

          SHA1

          65bb1f537221081dc46d4a97b9209022b5606d57

          SHA256

          8120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0

          SHA512

          71caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a

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

          Filesize

          43KB

          MD5

          51138beea3e2c21ec44d0932c71762a8

          SHA1

          8939cf35447b22dd2c6e6f443446acc1bf986d58

          SHA256

          5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

          SHA512

          794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

        • memory/2244-7-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2244-12-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2244-8-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2244-5-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2424-54-0x0000000002D50000-0x0000000003029000-memory.dmp

          Filesize

          2.8MB

        • memory/2424-55-0x0000000002D50000-0x0000000003029000-memory.dmp

          Filesize

          2.8MB

        • memory/2800-32-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2800-18-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2904-58-0x0000000000400000-0x00000000006D9000-memory.dmp

          Filesize

          2.8MB

        • memory/2904-61-0x0000000000400000-0x00000000006D9000-memory.dmp

          Filesize

          2.8MB

        • memory/2944-40-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2944-35-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB

        • memory/2944-38-0x0000000010000000-0x00000000101B6000-memory.dmp

          Filesize

          1.7MB