Analysis

  • max time kernel
    51s
  • max time network
    183s
  • 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, 07:51

General

  • Target

    508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe

  • Size

    4.0MB

  • MD5

    a336f951fa34705404249a142a8e28f2

  • SHA1

    66f6f2b6275d6df8832e78005ad88c7ea14cfe55

  • SHA256

    508832b628ad47fb6b2467bf99e5e6b9109969e81aa6f9c2704361df6ed36fa4

  • SHA512

    2c30071ed655cb0c7eff4bfb654c21ac892a84848f1ded0984ae5e46da3eb0c6bd886857e33cbc76eb99f7a62d902c39941f8fee389bcb6e455eb9b9955125c2

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\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
    "C:\Users\Admin\AppData\Local\Temp\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2200
    • 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\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:3760

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2200-117-0x0000000000CA0000-0x0000000001A69000-memory.dmp

      Filesize

      13.8MB

    • memory/2200-120-0x0000000000CA0000-0x0000000001A69000-memory.dmp

      Filesize

      13.8MB