Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 01:57

General

  • Target

    6cb421e2a0c187016e243d0bee3bff810cc6d57d760cb14c13a41156224a2398.exe

  • Size

    4.0MB

  • MD5

    626c9bc075583c1f87e0283f23159f16

  • SHA1

    4f1a331aa8d7bd78313ec9eebdee727d4f560866

  • SHA256

    6cb421e2a0c187016e243d0bee3bff810cc6d57d760cb14c13a41156224a2398

  • SHA512

    49d3f590d0c19526c2bb51dfda53b27c03f5414d47fac4116f6bc4b61f372e6d7327de967f65e17482a13174ba23b7f40db95b4fba1b09166f25a853f8fcc7c2

  • SSDEEP

    98304:T+pPdgBRJHyPGoHTn7pS+OQNJhmZ0G6B36l:C1gB/eknAiZ033

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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cb421e2a0c187016e243d0bee3bff810cc6d57d760cb14c13a41156224a2398.exe
    "C:\Users\Admin\AppData\Local\Temp\6cb421e2a0c187016e243d0bee3bff810cc6d57d760cb14c13a41156224a2398.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1976
    • 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\6cb421e2a0c187016e243d0bee3bff810cc6d57d760cb14c13a41156224a2398.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1808
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1428

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1428-56-0x0000000000000000-mapping.dmp

    • memory/1808-55-0x0000000000000000-mapping.dmp

    • memory/1976-54-0x0000000000D80000-0x0000000001B48000-memory.dmp

      Filesize

      13.8MB

    • memory/1976-57-0x0000000000D80000-0x0000000001B48000-memory.dmp

      Filesize

      13.8MB