Analysis

  • max time kernel
    83s
  • max time network
    178s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • resource tags

    arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20/07/2022, 07:49

General

  • Target

    4E4B837D44E4183046F30FFD78BF32A92851250F8CE12CC1F314C600397075BB.exe

  • Size

    4.0MB

  • MD5

    bb95e4fc983c8aca5f0dd8d05ecf1d70

  • SHA1

    41abd3f03ec4c5944cb820f432b320611d94aed9

  • SHA256

    4e4b837d44e4183046f30ffd78bf32a92851250f8ce12cc1f314c600397075bb

  • SHA512

    f6a13f1acb62d1d4064d9b090742e713abd6c4f14bdb8d499609255001fc40033cab26d82f8254fd2f4a6429581edcb759b6fb8ed797bd3e9bc89394825d8171

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\4E4B837D44E4183046F30FFD78BF32A92851250F8CE12CC1F314C600397075BB.exe
    "C:\Users\Admin\AppData\Local\Temp\4E4B837D44E4183046F30FFD78BF32A92851250F8CE12CC1F314C600397075BB.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3636
    • 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\4E4B837D44E4183046F30FFD78BF32A92851250F8CE12CC1F314C600397075BB.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1288

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3636-118-0x00000000002F0000-0x00000000010C8000-memory.dmp

      Filesize

      13.8MB

    • memory/3636-121-0x00000000002F0000-0x00000000010C8000-memory.dmp

      Filesize

      13.8MB