Analysis

  • max time kernel
    51s
  • max time network
    179s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-09-2022 03:30

General

  • Target

    67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe

  • Size

    4.0MB

  • MD5

    f155b0bbfef9582f2e4078f2d17e8227

  • SHA1

    657206207995bffb0579091019f77bf7ab4ae5ee

  • SHA256

    67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829

  • SHA512

    1418ef478583ca04895dd9b8a38400aaaf7d3d6de9aa5b77e0c0c96165db1a89cc8b4bd3962ac567caa9b7746f568f6f1ed691c953c66f5a17d0866c491d434b

  • SSDEEP

    98304:YlyLR4gbyujObfRcR2t7fReTAW+Nl5w0gwgy4Sd1PPiIewm:YALRnbyIKm2hfy6l5wfYKIB

Malware Config

Signatures

  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • UPX packed file 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
    "C:\Users\Admin\AppData\Local\Temp\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4376
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:2884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3504-117-0x0000000000AD0000-0x0000000001899000-memory.dmp

      Filesize

      13.8MB

    • memory/3504-120-0x0000000000AD0000-0x0000000001899000-memory.dmp

      Filesize

      13.8MB