Analysis

  • max time kernel
    137s
  • max time network
    317s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02-08-2022 00:39

General

  • Target

    2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6.exe

  • Size

    4.0MB

  • MD5

    ea914f2309b04f7a061e41cccaa95b20

  • SHA1

    d251f0ed55f5bcf928d5290e80d2551bc267a47c

  • SHA256

    2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6

  • SHA512

    72129505f858d29bfe3751a1023a6618e2c22665d190dec7c3f89d81a7aa829a2837c32dd5959f92dbe2349d761521b73be2ec1480a14393b69d0f421582f03e

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 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6.exe
    "C:\Users\Admin\AppData\Local\Temp\2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2416
    • 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\2844e85a36a29a037eaf1273133b7a83f65c6db637443568703f0052dc7cb1c6.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4400

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2416-114-0x0000000001090000-0x0000000001E69000-memory.dmp

      Filesize

      13.8MB

    • memory/2416-117-0x0000000001090000-0x0000000001E69000-memory.dmp

      Filesize

      13.8MB

    • memory/2492-115-0x0000000000000000-mapping.dmp

    • memory/4400-116-0x0000000000000000-mapping.dmp