Analysis

  • max time kernel
    52s
  • max time network
    179s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    12-08-2022 07:04

General

  • Target

    707EC54AEDA2964B06523A949AA7FA0A65C803C9AC048F9424C261007B3D8967.exe

  • Size

    4.0MB

  • MD5

    ffffccd1e70c4b9fb98eee125e57f9fb

  • SHA1

    d97a24d6b58380b8b89bccd90fbae80ed2a91bad

  • SHA256

    707ec54aeda2964b06523a949aa7fa0a65c803c9ac048f9424c261007b3d8967

  • SHA512

    9b4cb5144765d1ac52eebe49722c7ce67208536bc584f97f41c62de28584ebd481448cc5502b9a3b17c3bf73531b5b2b91bf723b7a153329dfc488c5c881c6d7

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\707EC54AEDA2964B06523A949AA7FA0A65C803C9AC048F9424C261007B3D8967.exe
    "C:\Users\Admin\AppData\Local\Temp\707EC54AEDA2964B06523A949AA7FA0A65C803C9AC048F9424C261007B3D8967.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2424
    • 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\707EC54AEDA2964B06523A949AA7FA0A65C803C9AC048F9424C261007B3D8967.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4460

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2424-117-0x00000000002C0000-0x0000000001088000-memory.dmp

      Filesize

      13.8MB

    • memory/2424-120-0x00000000002C0000-0x0000000001088000-memory.dmp

      Filesize

      13.8MB

    • memory/4288-118-0x0000000000000000-mapping.dmp

    • memory/4460-119-0x0000000000000000-mapping.dmp