Analysis

  • max time kernel
    51s
  • max time network
    182s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/07/2022, 22:19

General

  • Target

    b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e.exe

  • Size

    4.0MB

  • MD5

    cb2eed05de49399f878bdf00f4b53ee6

  • SHA1

    1602c42b6b3ef4f9e91550af2d69f1d1b7e51354

  • SHA256

    b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e

  • SHA512

    9df04aade3b16995ac4abb033410a58253d34efa96893bcc0faaf2a66ac32d8539d7a0522d1478d6cd7447bfe1ccd9f14a4c0bf394c5acaafbb4ecccf74b5cbd

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\b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e.exe
    "C:\Users\Admin\AppData\Local\Temp\b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1104
    • 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\b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:2520

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1104-117-0x0000000001060000-0x0000000001E39000-memory.dmp

      Filesize

      13.8MB

    • memory/1104-120-0x0000000001060000-0x0000000001E39000-memory.dmp

      Filesize

      13.8MB