Analysis

  • max time kernel
    7s
  • max time network
    3s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2023, 00:06

General

  • Target

    3cceb9656b691ee814b3de94acb46e2bcc47b6aaf9d066f125bfedb8520a9fc1.exe

  • Size

    375KB

  • MD5

    a530c1734063e5538cbc6a544210bc1c

  • SHA1

    1c01ae0bef0da79ef1b31ab2318fa744c0ebd4a0

  • SHA256

    3cceb9656b691ee814b3de94acb46e2bcc47b6aaf9d066f125bfedb8520a9fc1

  • SHA512

    22f61922056865111a951f9dc0507e64cc75e4e058f3933b10cf5fb6d7862123adf5d1a49bdbb858a14dcd02e7e9d945d9a404ea9c7fb272aa3555335da049e2

  • SSDEEP

    6144:sxO+L1Czykh18bmlOEgrr8zF9r4GB30fxIb0AqhEj7OLKXe8zGy:kMzZh18aJgrrIv4GR0fxIxOLKXN

Malware Config

Signatures

  • Detect PurpleFox Rootkit 3 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 3 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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cceb9656b691ee814b3de94acb46e2bcc47b6aaf9d066f125bfedb8520a9fc1.exe
    "C:\Users\Admin\AppData\Local\Temp\3cceb9656b691ee814b3de94acb46e2bcc47b6aaf9d066f125bfedb8520a9fc1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Meume.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Meume.exe"
      2⤵
      • Executes dropped EXE
      PID:2956
    • 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\3CCEB9~1.EXE > nul
      2⤵
        PID:2960

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Meume.exe

            Filesize

            10.4MB

            MD5

            ded31f0087e1e2d58a5138ef67a46542

            SHA1

            da6ce4d2a7b6d0cc48e08cd0514232e2d5c62472

            SHA256

            61b0f909c731a95dc566959111f75d6607fe8348486d547bdf809fc92b3564ff

            SHA512

            d7198722ebffff4933e2581de0f2528b4e065ca3fcfbf53f6db61b2e85d9e5f67e8905dd52309579166202bd22ada91bbadff7804b8c20c12ae7c975a49913d4

          • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Meume.exe

            Filesize

            10.4MB

            MD5

            ded31f0087e1e2d58a5138ef67a46542

            SHA1

            da6ce4d2a7b6d0cc48e08cd0514232e2d5c62472

            SHA256

            61b0f909c731a95dc566959111f75d6607fe8348486d547bdf809fc92b3564ff

            SHA512

            d7198722ebffff4933e2581de0f2528b4e065ca3fcfbf53f6db61b2e85d9e5f67e8905dd52309579166202bd22ada91bbadff7804b8c20c12ae7c975a49913d4

          • \ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Meume.exe

            Filesize

            10.4MB

            MD5

            ded31f0087e1e2d58a5138ef67a46542

            SHA1

            da6ce4d2a7b6d0cc48e08cd0514232e2d5c62472

            SHA256

            61b0f909c731a95dc566959111f75d6607fe8348486d547bdf809fc92b3564ff

            SHA512

            d7198722ebffff4933e2581de0f2528b4e065ca3fcfbf53f6db61b2e85d9e5f67e8905dd52309579166202bd22ada91bbadff7804b8c20c12ae7c975a49913d4

          • memory/2352-54-0x0000000010000000-0x00000000101A8000-memory.dmp

            Filesize

            1.7MB

          • memory/2352-56-0x0000000010000000-0x00000000101A8000-memory.dmp

            Filesize

            1.7MB

          • memory/2352-57-0x0000000010000000-0x00000000101A8000-memory.dmp

            Filesize

            1.7MB

          • memory/2352-58-0x0000000010000000-0x00000000101A8000-memory.dmp

            Filesize

            1.7MB