Analysis

  • max time kernel
    38s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 18:02

General

  • Target

    7b753733b2b3b38a6e09c7048a6c74ed.exe

  • Size

    4.0MB

  • MD5

    7b753733b2b3b38a6e09c7048a6c74ed

  • SHA1

    25502ec0b81ffc3c604f6ecb64db8e5c5935c3b0

  • SHA256

    385ef22e6376a88bc56460a1ce505391f2d8503b971675e34f4cbbc0ffc6bd36

  • SHA512

    a79f85c5c20f1c9813100d2983a314cc7396f83900c3a12554e9fb867cd2fcb52b0d16707d60e62724fc71f278f4b1e451c601e225f4337d89cff2e857e5c2b3

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\7b753733b2b3b38a6e09c7048a6c74ed.exe
    "C:\Users\Admin\AppData\Local\Temp\7b753733b2b3b38a6e09c7048a6c74ed.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1860
    • 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\7b753733b2b3b38a6e09c7048a6c74ed.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1696

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1860-54-0x00000000003F0000-0x00000000011B9000-memory.dmp

      Filesize

      13.8MB

    • memory/1860-57-0x00000000003F0000-0x00000000011B9000-memory.dmp

      Filesize

      13.8MB