Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 01:38

General

  • Target

    39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe

  • Size

    4.0MB

  • MD5

    f0f2f97fd34d88b8022d80f29b806212

  • SHA1

    2ccd750ce6c82a64084a5df72fe01f2b00e8c83d

  • SHA256

    39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf

  • SHA512

    7962026da44d933875ed7d08db2aeb466f752c62a946d446c789bbfab0a80115c1b5549410bdb45ed80a723e5f2004347aa1642b71bd1b2cab68c7baa01804d4

  • SSDEEP

    98304:V9UJb8ITg2XT9YA6ruEJwd9qM8llUJRufO:VaJNTg2XT9YRuDdNNkf

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\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe
    "C:\Users\Admin\AppData\Local\Temp\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1948
    • 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\39b5e611639ff7e2fd0358ff9a332db688c295a2804f156394226712326294bf.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:700
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1172

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/700-55-0x0000000000000000-mapping.dmp

    • memory/1172-56-0x0000000000000000-mapping.dmp

    • memory/1948-54-0x00000000000A0000-0x0000000000E69000-memory.dmp

      Filesize

      13.8MB

    • memory/1948-57-0x00000000000A0000-0x0000000000E69000-memory.dmp

      Filesize

      13.8MB