Analysis

  • max time kernel
    51s
  • max time network
    177s
  • platform
    windows10-1703_x64
  • resource
    win10-20220718-en
  • resource tags

    arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 07:36

General

  • Target

    2A58E995450C2B5C22E73386A861933ED0C11F34CAB59EEC2076DFF6291D1A1B.exe

  • Size

    4.0MB

  • MD5

    5a4e5454977ef57754968be2b696adcf

  • SHA1

    0a008f2cff955a31ad28efa8638c1aa7a31a1fde

  • SHA256

    2a58e995450c2b5c22e73386a861933ed0c11f34cab59eec2076dff6291d1a1b

  • SHA512

    861f29bcef1493642f6cd67e5af7ebcc808dbee71c246661b2589cc1fa194590aed61a913a834a96b49c5c4e67a08c69ed412817bb5707af6f38a5ca7661b6bf

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\2A58E995450C2B5C22E73386A861933ED0C11F34CAB59EEC2076DFF6291D1A1B.exe
    "C:\Users\Admin\AppData\Local\Temp\2A58E995450C2B5C22E73386A861933ED0C11F34CAB59EEC2076DFF6291D1A1B.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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\2A58E995450C2B5C22E73386A861933ED0C11F34CAB59EEC2076DFF6291D1A1B.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4048
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4232

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2376-117-0x0000000001100000-0x0000000001EC9000-memory.dmp

      Filesize

      13.8MB

    • memory/2376-120-0x0000000001100000-0x0000000001EC9000-memory.dmp

      Filesize

      13.8MB