Analysis

  • max time kernel
    144s
  • max time network
    222s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 08:18

General

  • Target

    E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe

  • Size

    4.0MB

  • MD5

    8ce9e5d7d30ab124b69bc3ff0c1d9d4c

  • SHA1

    65aa51dc471515d16e4350fc0fbd8b302f468ec0

  • SHA256

    e31e725909b115601efea63fdecd2ca3c283657cb752fb7c9c46b19ffb23bed9

  • SHA512

    724757de3f0f4228c373cbff27f6375998a988ea7d2f5bbec89504f5e438a3e9ee621a2cb229122d8e2934b4d0910a5317d7e09d890a3aeb0724c54655910f27

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\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
    "C:\Users\Admin\AppData\Local\Temp\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2380
    • 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\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4420

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2380-114-0x00000000000B0000-0x0000000000E78000-memory.dmp

      Filesize

      13.8MB

    • memory/2380-117-0x00000000000B0000-0x0000000000E78000-memory.dmp

      Filesize

      13.8MB