Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 19:32

General

  • Target

    c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.exe

  • Size

    3.8MB

  • MD5

    64ad45da27634136c56751119efb70e7

  • SHA1

    c5e5684d80dddf7c19b22880fbc5559124333640

  • SHA256

    c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd

  • SHA512

    ad1efe41941981fbd539d6dd016faa62617fe428754b80410c1aa425a224f1947d76ac5910cf6019e9eb11122b5622d0bf097a5113390e1d454019b87dc840c5

  • SSDEEP

    49152:RCwsbCANnKXferL7Vwe/Gg0P+WhLKlBy4+Cp0SP5+f20wCc:cws2ANnKXOaeOgmhkUbCp0e5+fy

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
  • 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 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 6 IoCs
  • UPX packed file 33 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).

  • 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 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.exe
    "C:\Users\Admin\AppData\Local\Temp\c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.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:4484
    • C:\Users\Admin\AppData\Local\Temp\R.exe
      C:\Users\Admin\AppData\Local\Temp\\R.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:4780
    • C:\Users\Admin\AppData\Local\Temp\N.exe
      C:\Users\Admin\AppData\Local\Temp\\N.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:2132
      • 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\N.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1532
        • 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:3188
    • C:\Users\Admin\AppData\Local\Temp\HD_c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.exe
      C:\Users\Admin\AppData\Local\Temp\HD_c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4644
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:5100
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240619593.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3984
    • C:\Windows\SysWOW64\TXPlatfor.exe
      C:\Windows\SysWOW64\TXPlatfor.exe -auto
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4144
      • C:\Windows\SysWOW64\TXPlatfor.exe
        C:\Windows\SysWOW64\TXPlatfor.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:3496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      2.5MB

      MD5

      a7e4854f619abd108be0e74eecef45ca

      SHA1

      8edae9d1890e0bc201828fa25a528be4555b1920

      SHA256

      d1256767c3f4ac70675f5002e698b1ec219e520dac6b8a3289c11056c825867f

      SHA512

      ab2212e7a1efde8bde43650218c1e86b767ddb02457470d5cdbc4c6b3fdce763da0969ac473c4c60716e8324e2a6b3ab9b7816ccbc1a6b4d2926d95ae0281e27

    • C:\Users\Admin\AppData\Local\Temp\HD_c8a7377c2b54ff59408f5307d84522e5f457f16a172cfcef7430f35a96ab15bd.exe

      Filesize

      1.4MB

      MD5

      d0c6906772c2325cebc16201646bbe0e

      SHA1

      acdaaa8c8d2a1e91caf082b1fa01d95cb9beb6ae

      SHA256

      555e01d7b273fa0f1fd1f65e33b0384f2e54d4abeeaf7db53214b5a7f9c50463

      SHA512

      db7f0459010a94bb90d969e294059472ca5205cfa474359d97602ff3cdf07dd47581ac83928da076195a226f5fbd8b817f9a3f33c3d141c04934dbe254ec9d8d

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

      Filesize

      377KB

      MD5

      4a36a48e58829c22381572b2040b6fe0

      SHA1

      f09d30e44ff7e3f20a5de307720f3ad148c6143b

      SHA256

      3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8

      SHA512

      5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0

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

      Filesize

      941KB

      MD5

      8dc3adf1c490211971c1e2325f1424d2

      SHA1

      4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5

      SHA256

      bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c

      SHA512

      ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d

    • C:\Windows\SysWOW64\240619593.txt

      Filesize

      899KB

      MD5

      f3bba1db9de1bc96376d2212b3d8c603

      SHA1

      572dc4cd4ff2c74670d29a8f5c8bab759324d826

      SHA256

      fd440c0bfd59894a43437fd94f22a7d34b88d7e948f53871f18b8b0d9f49683f

      SHA512

      4077087617ab71043900d78fc81167208ea087beff3fc8789cbf6b3f321c9b8d80e5181dc75bb371670bd72289a998f02c13a41efa36922bee0b9e890852378e

    • C:\Windows\SysWOW64\Remote Data.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/2132-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2132-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2132-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2132-18-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3496-42-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3496-37-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/3496-45-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4144-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4144-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4144-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/4644-82-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-63-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-88-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-80-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-79-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-76-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-74-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-70-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-68-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-66-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-64-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-84-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-60-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-58-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-56-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-54-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-52-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-50-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-48-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-47-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-72-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-86-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB

    • memory/4644-46-0x0000000010000000-0x000000001003E000-memory.dmp

      Filesize

      248KB