Analysis

  • max time kernel
    41s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 07:06

General

  • Target

    880C002DF447636A1E2B492A27A01FA5DB8AD51ECE22E110AD52F83201C73BCA.exe

  • Size

    4.0MB

  • MD5

    8cee8d91fd2c518f360805f77d5462af

  • SHA1

    9b9193d82ca01f2033398e0bcdebd3b01ece9ffb

  • SHA256

    880c002df447636a1e2b492a27a01fa5db8ad51ece22e110ad52f83201c73bca

  • SHA512

    449bbdeb84a063fad162fb560cf9a9e145e5312b4857532efa214561d1df16ed2b929fc7eb9a8a8dc744406756d504c0c4da01403add2145886be96471c566e3

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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\880C002DF447636A1E2B492A27A01FA5DB8AD51ECE22E110AD52F83201C73BCA.exe
    "C:\Users\Admin\AppData\Local\Temp\880C002DF447636A1E2B492A27A01FA5DB8AD51ECE22E110AD52F83201C73BCA.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:892
    • 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\880C002DF447636A1E2B492A27A01FA5DB8AD51ECE22E110AD52F83201C73BCA.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:580
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1304

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/580-55-0x0000000000000000-mapping.dmp
    • memory/892-54-0x0000000000E40000-0x0000000001C09000-memory.dmp
      Filesize

      13.8MB

    • memory/892-57-0x0000000000E40000-0x0000000001C09000-memory.dmp
      Filesize

      13.8MB

    • memory/1304-56-0x0000000000000000-mapping.dmp