Analysis

  • max time kernel
    42s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 01:41

General

  • Target

    3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe

  • Size

    4.0MB

  • MD5

    c81a73dcc27459903b5ff3a48b6d0c5a

  • SHA1

    a45c9c2023ddbd9f78e2238e55838978980bd998

  • SHA256

    3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd

  • SHA512

    19135280538e3670314dd447141e2c1bec57fe283fb5fa560b8567b49720eded793e7b622cc6f233fc70a70aeabb5689e451ca0f054cb5e6d14d86fbf7ba2d6e

  • SSDEEP

    98304:DJJYBywiF4PobmLprqcqEr4JnvxEnByep:nY64WmLynunB

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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
    "C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:812
    • 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\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:1720

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/812-54-0x0000000000880000-0x0000000001658000-memory.dmp

      Filesize

      13.8MB

    • memory/812-57-0x0000000000880000-0x0000000001658000-memory.dmp

      Filesize

      13.8MB

    • memory/1180-55-0x0000000000000000-mapping.dmp

    • memory/1720-56-0x0000000000000000-mapping.dmp