Analysis

  • max time kernel
    51s
  • max time network
    175s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-08-2022 22:16

General

  • Target

    30b27481f8000aa358881a5d0a60f5eee60ece9ef73765db686e8f3e6a37367e.exe

  • Size

    4.0MB

  • MD5

    9e6c8bc80a0453eb61a1525a5d5256c7

  • SHA1

    9e462edc0a9b07d5096fc58a245e4c5430e9212d

  • SHA256

    30b27481f8000aa358881a5d0a60f5eee60ece9ef73765db686e8f3e6a37367e

  • SHA512

    0094607be9c15aeb5ce325a09825266cc0a542d44d430a8be66e628bcc6a3e19bc4edcb61ce53f14a946015da633778e96c17925b281d3b8edf6aa7cc300e86d

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\30b27481f8000aa358881a5d0a60f5eee60ece9ef73765db686e8f3e6a37367e.exe
    "C:\Users\Admin\AppData\Local\Temp\30b27481f8000aa358881a5d0a60f5eee60ece9ef73765db686e8f3e6a37367e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5004
    • 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\30b27481f8000aa358881a5d0a60f5eee60ece9ef73765db686e8f3e6a37367e.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:3872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3872-117-0x0000000000000000-mapping.dmp

    • memory/5004-115-0x0000000000A60000-0x0000000001838000-memory.dmp

      Filesize

      13.8MB

    • memory/5004-118-0x0000000000A60000-0x0000000001838000-memory.dmp

      Filesize

      13.8MB

    • memory/5084-116-0x0000000000000000-mapping.dmp