Analysis

  • max time kernel
    52s
  • max time network
    177s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • resource tags

    arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 08:21

General

  • Target

    F03B79750CDE13E72F6CB21F0450FA4A39EB80828D8B327D9823108155F34168.exe

  • Size

    4.0MB

  • MD5

    793f61a2f24cfb4b93fd9543eb032372

  • SHA1

    f9d7361458361485546a0ede3712f469e19c8eb8

  • SHA256

    f03b79750cde13e72f6cb21f0450fa4a39eb80828d8b327d9823108155f34168

  • SHA512

    25167074d26abc64844bbd8352ec8f0334e28d49b749fea367d9b129e0af6dd2e1622968c8d0a38486eb263b2c3ddae581adc309f58503a795cc0d22972bf728

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\F03B79750CDE13E72F6CB21F0450FA4A39EB80828D8B327D9823108155F34168.exe
    "C:\Users\Admin\AppData\Local\Temp\F03B79750CDE13E72F6CB21F0450FA4A39EB80828D8B327D9823108155F34168.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:808
    • 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\F03B79750CDE13E72F6CB21F0450FA4A39EB80828D8B327D9823108155F34168.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4924

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/808-118-0x0000000001110000-0x0000000001ED8000-memory.dmp

      Filesize

      13.8MB

    • memory/808-121-0x0000000001110000-0x0000000001ED8000-memory.dmp

      Filesize

      13.8MB