Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 01:34

General

  • Target

    30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe

  • Size

    4.0MB

  • MD5

    a35dde4d696eae7395a9770456a2f6d6

  • SHA1

    5a351bb8cb5fc5e336faf84094af9aa7bfe12801

  • SHA256

    30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9

  • SHA512

    a4123d86ca313842ed343762319a0c69b4b8e06f29a47ea9cc0019fc4f6240ed7b997145f5b555daf03e22935015b2cc299f3df1bec338151735425b91ec3822

  • SSDEEP

    98304:otzxFM8z4xO7C7hTV/V4OoOt6XsWE/wS:otzxFMo4V9V4OoE/

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.

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:816
    • 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\30db81495da8ed2569c3d3db00ad3f475b808b1384d8ac1374a30773b9164ed9.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1320
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:636

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/636-57-0x0000000000000000-mapping.dmp
    • memory/816-54-0x0000000000F50000-0x0000000001D19000-memory.dmp
      Filesize

      13.8MB

    • memory/816-56-0x0000000000F50000-0x0000000001D19000-memory.dmp
      Filesize

      13.8MB

    • memory/1320-55-0x0000000000000000-mapping.dmp