Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 01:55

General

  • Target

    a3c827b3d6aeedb0c47c137646699e805858753eafbc726b7cd48bd9725259d6.exe

  • Size

    2.3MB

  • MD5

    7c220639efbd2b172a85bfec6231ad4e

  • SHA1

    c1ea0f6821216a7e12d02b105c8bc6f8fc5450de

  • SHA256

    a3c827b3d6aeedb0c47c137646699e805858753eafbc726b7cd48bd9725259d6

  • SHA512

    caa4ff2e66a98466cf37491f15e1cb2b30e91a39da31931f0694a1e07ac6865a50e283a81df7535a4f52fedc317334fb069e3387795d1c3f3c497eaeb2adf75d

  • SSDEEP

    24576:uCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHR:uCwsbCANnKXferL7Vwe/Gg0P+Wh/Bs

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.

  • 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 5 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 10 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 8 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: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3c827b3d6aeedb0c47c137646699e805858753eafbc726b7cd48bd9725259d6.exe
    "C:\Users\Admin\AppData\Local\Temp\a3c827b3d6aeedb0c47c137646699e805858753eafbc726b7cd48bd9725259d6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1084
    • 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:3832
    • 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:2720
      • 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:464
        • 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:3940
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Remote Data"
    1⤵
      PID:3396
    • 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:1424
      • C:\Windows\SysWOW64\Remote Data.exe
        "C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240615062.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4516
    • 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:1652
      • 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:2324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • 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:\Users\Admin\AppData\Local\Temp\RCX8230.tmp

      Filesize

      2.3MB

      MD5

      7c220639efbd2b172a85bfec6231ad4e

      SHA1

      c1ea0f6821216a7e12d02b105c8bc6f8fc5450de

      SHA256

      a3c827b3d6aeedb0c47c137646699e805858753eafbc726b7cd48bd9725259d6

      SHA512

      caa4ff2e66a98466cf37491f15e1cb2b30e91a39da31931f0694a1e07ac6865a50e283a81df7535a4f52fedc317334fb069e3387795d1c3f3c497eaeb2adf75d

    • C:\Windows\SysWOW64\240615062.txt

      Filesize

      899KB

      MD5

      a67b76f0daecfb918ee6efd69340e12a

      SHA1

      5e5a2224697e7e9665daf7f4f4968e963844d232

      SHA256

      877d61ce4da6777127ac4120f80b1e90dab90682afd3e519374cb973d49d068b

      SHA512

      4bfc59bd23d3dd19f4accf3ca1964de801e05be101a976895ea5d3ff43e713ebc5d46d5619e5e4fe38f91f4bb6e3d02f52d03910a077d0594927fec986299ada

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

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • memory/1652-29-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1652-28-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/1652-26-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2324-47-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2324-52-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2324-50-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-17-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-20-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-23-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB

    • memory/2720-19-0x0000000010000000-0x00000000101B6000-memory.dmp

      Filesize

      1.7MB