Analysis

  • max time kernel
    52s
  • max time network
    181s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • resource tags

    arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 07:35

General

  • Target

    278FA2801CE607107B5BC8F07B77FC2CCE942C4911A44A702CB6BAA59868CD4F.exe

  • Size

    4.0MB

  • MD5

    d806b9a73a451f7875c0233b501c6b26

  • SHA1

    04a45843a37910017c30bbc6486201793c27c50e

  • SHA256

    278fa2801ce607107b5bc8f07b77fc2cce942c4911a44a702cb6baa59868cd4f

  • SHA512

    b06537545077aa7e93814aa395f2a1a312ae651ba0917c5d25749a8d730b0f4e1e43022fd0fbb538bba5345779a7a020d870b234b88d0eaaae30e0547e48fa96

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\278FA2801CE607107B5BC8F07B77FC2CCE942C4911A44A702CB6BAA59868CD4F.exe
    "C:\Users\Admin\AppData\Local\Temp\278FA2801CE607107B5BC8F07B77FC2CCE942C4911A44A702CB6BAA59868CD4F.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:804
    • 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\278FA2801CE607107B5BC8F07B77FC2CCE942C4911A44A702CB6BAA59868CD4F.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4860

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/804-118-0x0000000000D70000-0x0000000001B38000-memory.dmp

      Filesize

      13.8MB

    • memory/804-121-0x0000000000D70000-0x0000000001B38000-memory.dmp

      Filesize

      13.8MB