Analysis

  • max time kernel
    94s
  • max time network
    184s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • resource tags

    arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 08:09

General

  • Target

    C6633FC934B174A8A417681FEC199C58554B2ED9E2CBCF7706DD4C4C8F7BAA19.exe

  • Size

    4.0MB

  • MD5

    7842bde35906a1a218a85bdbefb2e3f4

  • SHA1

    c52813dea20dc958cd4a56dc4c3a16c5718362dc

  • SHA256

    c6633fc934b174a8a417681fec199c58554b2ed9e2cbcf7706dd4c4c8f7baa19

  • SHA512

    546ae33f49323fa418cba7b46edfb4944abfd0b90d08d9c4943cd2df89497f3d6dbaaf26f4d6d06fcdb56e14f7dd7c399a6b47eac37d9afb7dbd4467f7bf854d

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\C6633FC934B174A8A417681FEC199C58554B2ED9E2CBCF7706DD4C4C8F7BAA19.exe
    "C:\Users\Admin\AppData\Local\Temp\C6633FC934B174A8A417681FEC199C58554B2ED9E2CBCF7706DD4C4C8F7BAA19.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1032
    • 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\C6633FC934B174A8A417681FEC199C58554B2ED9E2CBCF7706DD4C4C8F7BAA19.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:2752

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1032-118-0x0000000000900000-0x00000000016D8000-memory.dmp

      Filesize

      13.8MB

    • memory/1032-121-0x0000000000900000-0x00000000016D8000-memory.dmp

      Filesize

      13.8MB