Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    12-08-2022 07:14

General

  • Target

    D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe

  • Size

    4.0MB

  • MD5

    4a606ae94ecbbe4a00a140ed06a3b179

  • SHA1

    8be744b97b23511466210c976ccf905adbbb5304

  • SHA256

    d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a

  • SHA512

    52171445974e004c35d02b2edc68621d16b94a71d34369dee9499af5ad6e74368ece69de12928ed7aa4f86b78a1fe8429d26e951bd8eaf0aed012ef48ac33834

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\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
    "C:\Users\Admin\AppData\Local\Temp\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:752
    • 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\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:688

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/432-55-0x0000000000000000-mapping.dmp

    • memory/688-56-0x0000000000000000-mapping.dmp

    • memory/752-54-0x0000000000B20000-0x00000000018E9000-memory.dmp

      Filesize

      13.8MB

    • memory/752-57-0x0000000000B20000-0x00000000018E9000-memory.dmp

      Filesize

      13.8MB