Analysis

  • max time kernel
    57s
  • max time network
    187s
  • 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, 07:31

General

  • Target

    1F24697EF5F8F626AA8D0C01AFFE9E5D565AF7661210531294F9938B81B2A66D.exe

  • Size

    4.0MB

  • MD5

    45bddbe5d7b0ae024bd6496b9e8a20b7

  • SHA1

    addab7c1ef23757fca2c7614b1b5243344c9ecd3

  • SHA256

    1f24697ef5f8f626aa8d0c01affe9e5d565af7661210531294f9938b81b2a66d

  • SHA512

    1f52977078a021fa342c2e1e4d5eb55c573c2256b5f4368c607130372a9e0be044bbc777e5d39e14d637ecf5d1bf837585a3fe020e00e30fb19e49ca5f38c57b

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\1F24697EF5F8F626AA8D0C01AFFE9E5D565AF7661210531294F9938B81B2A66D.exe
    "C:\Users\Admin\AppData\Local\Temp\1F24697EF5F8F626AA8D0C01AFFE9E5D565AF7661210531294F9938B81B2A66D.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1864
    • 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\1F24697EF5F8F626AA8D0C01AFFE9E5D565AF7661210531294F9938B81B2A66D.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:368

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1864-114-0x0000000000F80000-0x0000000001D49000-memory.dmp

      Filesize

      13.8MB

    • memory/1864-116-0x0000000000F80000-0x0000000001D49000-memory.dmp

      Filesize

      13.8MB