Analysis

  • max time kernel
    72s
  • max time network
    186s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-08-2022 06:57

General

  • Target

    30E5D30CFC17F5C85FF99ABCE4C5C3E3B026FD01DDFAEF8DC8DFB02B9C9D8384.exe

  • Size

    4.0MB

  • MD5

    c5ca08bcb25c45ea0f92839b22e37b15

  • SHA1

    4202c1332aae996f4efa560315dd75588d425e2e

  • SHA256

    30e5d30cfc17f5c85ff99abce4c5c3e3b026fd01ddfaef8dc8dfb02b9c9d8384

  • SHA512

    081d63dfdab6f45fb91a4851ee81ed55f0368d50c5b1879864d55cc3239c7fa8afe11f10fc5932ebe25b8c19c6d385c03806a93129264c8a193df0f41d97d654

Malware Config

Signatures

  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 1 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\30E5D30CFC17F5C85FF99ABCE4C5C3E3B026FD01DDFAEF8DC8DFB02B9C9D8384.exe
    "C:\Users\Admin\AppData\Local\Temp\30E5D30CFC17F5C85FF99ABCE4C5C3E3B026FD01DDFAEF8DC8DFB02B9C9D8384.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2396
    • 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\30E5D30CFC17F5C85FF99ABCE4C5C3E3B026FD01DDFAEF8DC8DFB02B9C9D8384.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4432

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2396-117-0x0000000000020000-0x0000000000DE9000-memory.dmp

      Filesize

      13.8MB

    • memory/2396-119-0x0000000000020000-0x0000000000DE9000-memory.dmp

      Filesize

      13.8MB

    • memory/4432-120-0x0000000000000000-mapping.dmp

    • memory/4644-118-0x0000000000000000-mapping.dmp