Analysis

  • max time kernel
    54s
  • max time network
    180s
  • 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, 08:19

General

  • Target

    EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe

  • Size

    4.0MB

  • MD5

    50a5c8876a7aa8f179ce2a6e9275ab26

  • SHA1

    b09cd1faac3c23468d10cc9952c34f4615bace8d

  • SHA256

    ea50c625d8c9a7cb3b771c4320c122c86a2fc2a59552c88eac44fb56f84f9ee0

  • SHA512

    0b72c1f12637d4a84d891fa7f70c228385e7e6fa14a85081c3c45006b1c1625bb6067b021187fc16d08981949c36da7e648743da5b3950a92e27c1347e63633c

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\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
    "C:\Users\Admin\AppData\Local\Temp\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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\EA50C625D8C9A7CB3B771C4320C122C86A2FC2A59552C88EAC44FB56F84F9EE0.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4236
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4252

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2220-117-0x0000000000E40000-0x0000000001C08000-memory.dmp

      Filesize

      13.8MB

    • memory/2220-120-0x0000000000E40000-0x0000000001C08000-memory.dmp

      Filesize

      13.8MB