Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 15:54

General

  • Target

    b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.exe

  • Size

    4.4MB

  • MD5

    b0dd89fe372d22dff72eedbfb8fe3048

  • SHA1

    c2ac6c2069678da17f24847ba47e8f9bbe89d3bb

  • SHA256

    b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10

  • SHA512

    a480c5c2bb5325f11a5b695498429154165321f6e850d06da9d9579b05f12e7784d8bef846f8d9e0ba3723baa2c6ad50ccd8d8271fb8da944849459b6172fce5

  • SSDEEP

    98304:/GdVyVT9nOgmhvrYUyjdcmZtrZsUko1qGAmL2lPiVkD5rJNkT1OZ7Nb7v9tiyq:8WT9nO7tWdz9xB3s5TkKJX9tiyq

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 5 IoCs
  • Loads dropped DLL 1 IoCs
  • 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.exe
    "C:\Users\Admin\AppData\Local\Temp\b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.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:2140
    • 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:3844
      • 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:3448
        • 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:968
    • 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:2920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 448
        3⤵
        • Program crash
        PID:2000
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 396
        3⤵
        • Program crash
        PID:5052
    • C:\Users\Admin\AppData\Local\Temp\HD_b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.exe
      C:\Users\Admin\AppData\Local\Temp\HD_b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1760
  • 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:3428
    • 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:4036
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2920 -ip 2920
    1⤵
      PID:4892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2920 -ip 2920
      1⤵
        PID:3184

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        1.4MB

        MD5

        ac92acbee6525e9d99068b1d9b50a51d

        SHA1

        a450967ba1e7112c87d9d78c6f3ebf828f7eaf18

        SHA256

        27d157d53d47ca2d0e0bc5a13a2f83ff101dc27b10452c022547c2764e58adf6

        SHA512

        a044217c108ac298b2954eb7fb5efa6661d78ca59abbea4a0b8f2010a49c7b8bb34b6a2da543382de4d11b947aa3465fab92301910ab435f0dc3877430586b78

      • C:\Users\Admin\AppData\Local\Temp\HD_b86529e3b46489834e7ceac7ed213bfa8a48ff86cfb78fd0d8cf8f7000d13a10.exe

        Filesize

        3.1MB

        MD5

        8ff0f27913c89a13fa9d9a5211ad2c18

        SHA1

        07f4c677112098d9ff51a09915ce3fbbc2092942

        SHA256

        13c3dd1453210b2a8c52c3d4ed91a6eccf24d860c58ef2b5e1b92d980f3be58d

        SHA512

        35007c812b3d6b348e77d54a3c5d4abcf7df4b85b07e9a8d2f8e89eddbff725a4e27ec049a0f199b342eb75fb0dea5c8968db2f735bbb5d1ee1289563ea30a39

      • 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\240629328.txt

        Filesize

        50KB

        MD5

        06563c127bca65e233f9552356b92b5e

        SHA1

        db67ac486d60e7e137d497330e42174c90d9f371

        SHA256

        4f7819014eb8e25a52b76297b9f799da2a65adbf8871ea026f47bdc1fb26b0f6

        SHA512

        6f604e7f421094eaeb5158dc6ffbc4ad40be257e13bc74e4ab40d528bd1f6684d318f6c2b4f12ac7e86cacd1df46504cf0bed82cb4ad61d8502bac1d5f882c10

      • memory/3428-16-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3428-17-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3428-13-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3428-15-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3428-23-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3844-7-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3844-10-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3844-6-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/3844-4-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4036-32-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4036-33-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4036-35-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB

      • memory/4036-38-0x0000000010000000-0x00000000101B6000-memory.dmp

        Filesize

        1.7MB