Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 07:01

General

  • Target

    5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe

  • Size

    4.0MB

  • MD5

    e41c5f31d33c7419b7cf7ac0292efcf5

  • SHA1

    d27d577fa8b52100c8a96291d34b2976fb55c7b4

  • SHA256

    5372839745d599caf94c606aeb7e806f37cd009ce207481e6adc19f34a96c249

  • SHA512

    f6c9558b93055aa9dfec7f5ca3cc8ee1b465fa3b81abbbd3fac7a9d1cfa1a4eb896af46cdce7c6269c9ecae45c6da6085203beb990e987ea22742a6fb91914af

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\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
    "C:\Users\Admin\AppData\Local\Temp\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1864
    • 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\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1692

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1692-56-0x0000000000000000-mapping.dmp

    • memory/1848-55-0x0000000000000000-mapping.dmp

    • memory/1864-54-0x0000000000DA0000-0x0000000001B68000-memory.dmp

      Filesize

      13.8MB

    • memory/1864-57-0x0000000000DA0000-0x0000000001B68000-memory.dmp

      Filesize

      13.8MB