Analysis

  • max time kernel
    4s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/08/2023, 11:36

General

  • Target

    fb2211a7b62bb1eecf3af1cdb02172eb4f20b0ba19d87e9072b8c719b4739be1.exe

  • Size

    768KB

  • MD5

    b8c8e718ed08cb83f07cbd3505de67b3

  • SHA1

    1a36be13ab97c486a66528b893af1f057e6d9521

  • SHA256

    fb2211a7b62bb1eecf3af1cdb02172eb4f20b0ba19d87e9072b8c719b4739be1

  • SHA512

    f0fa4241fbd1f8ff7592aacec9f4e45e50c496772fbf681fab6d922ee87f90f1895374bf67f7455a2c02d9475c722a5ea9eaabd7a57211fb3874adce03033361

  • SSDEEP

    12288:17t1Ft32FrpyD7ZIH4ENxTk8+Gb8vEFaKb+95dNVBSSmGLf:hVpD7ZIHpNH9BNEBSSmGr

Malware Config

Signatures

  • Detect PurpleFox Rootkit 4 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 5 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.

  • UPX packed file 6 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2211a7b62bb1eecf3af1cdb02172eb4f20b0ba19d87e9072b8c719b4739be1.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2211a7b62bb1eecf3af1cdb02172eb4f20b0ba19d87e9072b8c719b4739be1.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\fb2211a7b62bb1eecf3af1cdb02172eb4f20b0ba19d87e9072b8c719b4739be1.exe"
      2⤵
        PID:1364

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2476-0-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB

          • memory/2476-3-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB

          • memory/2476-4-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB

          • memory/2476-2-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB

          • memory/2476-5-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB

          • memory/2476-8-0x0000000010000000-0x00000000101AF000-memory.dmp

            Filesize

            1.7MB