Analysis

  • max time kernel
    8s
  • max time network
    9s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 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
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 1 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 3 IoCs
  • UPX packed file 13 IoCs

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

  • Drops file in Program Files directory 1 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 7 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.

  • Modifies data under HKEY_USERS 15 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe
    "C:\Users\Admin\AppData\Local\Temp\fed31fb19d0e0fe41a5852fac29e177823df5e9fd451f0c901290eb2abe327cd.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1848
    • 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:3860
      • 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:1948
        • 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:640
    • 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
      • System Location Discovery: System Language Discovery
      PID:1060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 452
        3⤵
        • Program crash
        PID:2744
    • 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:5040
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3936
    • 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:1796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1060 -ip 1060
    1⤵
      PID:4080
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3927855 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2272
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -auto
      1⤵
      • Executes dropped EXE
      PID:3856

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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\svchos.exe

      Filesize

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

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

      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

    • C:\Windows\SysWOW64\240625609.txt

      Filesize

      50KB

      MD5

      5fbcc30e98caae554c19834c3527daca

      SHA1

      65bb1f537221081dc46d4a97b9209022b5606d57

      SHA256

      8120f837c356f090c9e25f9ed2753ad699416af715f22a52094fc52e8a9f0bc0

      SHA512

      71caa719297311f48bb73a29630a60cf9e2815c3deacb969a67ca129cf59d5af61d5e0391526387697b40553174c8558d649e977d4c9bcddb6feb6a2ec15d25a

    • memory/1796-38-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1796-33-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1796-24-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1796-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3860-4-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3860-6-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3860-10-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3860-7-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3936-13-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3936-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3936-15-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3936-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3936-16-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/5040-44-0x0000000000400000-0x00000000006D9000-memory.dmp

      Filesize

      2.8MB

    • memory/5040-48-0x0000000000400000-0x00000000006D9000-memory.dmp

      Filesize

      2.8MB