Analysis

  • max time kernel
    89s
  • max time network
    181s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05-08-2022 22:15

General

  • Target

    92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe

  • Size

    4.0MB

  • MD5

    ea2b810e41d2cf01faed23007e21dc1c

  • SHA1

    f47c68304448f81dd59a5641f26a2affbd5d1bb8

  • SHA256

    92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

  • SHA512

    da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

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\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
    "C:\Users\Admin\AppData\Local\Temp\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2200
    • 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\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4616
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4176

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2200-117-0x0000000000EA0000-0x0000000001C79000-memory.dmp

      Filesize

      13.8MB

    • memory/2200-120-0x0000000000EA0000-0x0000000001C79000-memory.dmp

      Filesize

      13.8MB

    • memory/4176-119-0x0000000000000000-mapping.dmp

    • memory/4616-118-0x0000000000000000-mapping.dmp