Analysis

  • max time kernel
    32s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    09/07/2022, 22:17

General

  • Target

    5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63.exe

  • Size

    4.0MB

  • MD5

    06103d1e931ea83afb5cac974113c513

  • SHA1

    ef70b042a19addb747697ee3270e1723ff988f5c

  • SHA256

    5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63

  • SHA512

    f97ea97ef1431baef2372a7499a76a1edd9494ea31d6544b456d77d18120b4fb73dbc494a36f022b13613c4c636beb59cfb23f96a3386e3f39e9be0e14e1060f

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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63.exe
    "C:\Users\Admin\AppData\Local\Temp\5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1928
    • 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\5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:596
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1156

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1928-54-0x00000000010A0000-0x0000000001E79000-memory.dmp

      Filesize

      13.8MB

    • memory/1928-57-0x00000000010A0000-0x0000000001E79000-memory.dmp

      Filesize

      13.8MB