Analysis

  • max time kernel
    163s
  • max time network
    176s
  • 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, 08:22

General

  • Target

    F16394A45ABD07B0B55567433611E4ABEB3521E4870C9BD117E60A4038C86D8C.exe

  • Size

    4.0MB

  • MD5

    934c2936029b64ab1aaf6234924ef34f

  • SHA1

    3b44adb55a34a07eee4bb75d011828b1132ac600

  • SHA256

    f16394a45abd07b0b55567433611e4abeb3521e4870c9bd117e60a4038c86d8c

  • SHA512

    b252918cc3e661c9fa86ab8878ebe296e516a2613f2ec272298b19a0e3cdb9d8acf596c5bafca4c03635d4bbf5edbf910899d21ac36fa93d1d3d3403e4cbf0db

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\F16394A45ABD07B0B55567433611E4ABEB3521E4870C9BD117E60A4038C86D8C.exe
    "C:\Users\Admin\AppData\Local\Temp\F16394A45ABD07B0B55567433611E4ABEB3521E4870C9BD117E60A4038C86D8C.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2528
    • 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\F16394A45ABD07B0B55567433611E4ABEB3521E4870C9BD117E60A4038C86D8C.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4488
  • C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    1⤵
      PID:2128

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2528-114-0x0000000000990000-0x0000000001758000-memory.dmp

      Filesize

      13.8MB

    • memory/2528-117-0x0000000000990000-0x0000000001758000-memory.dmp

      Filesize

      13.8MB