Analysis

  • max time kernel
    51s
  • max time network
    181s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-09-2022 03:35

General

  • Target

    dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe

  • Size

    4.0MB

  • MD5

    148e1ad6541bab2335689bcdbf1f1c90

  • SHA1

    373d281dbe13538bebb3abf728f9e8530f1e3de1

  • SHA256

    dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c

  • SHA512

    fb4aca6054b7a334831e3c17e60709de73ee081c006daf81945bdc0219c8b22c1871f4ad1185fd1fa141ca482a891ee5aab5405eb8def4b2f88c53b02ed03207

  • SSDEEP

    98304:2emOBBB+kSDxxOMp8AtZhhM1eirpfvXAWxDD3g/vq2qoDMkN:22BBD6OMptZhhMZtfvXbxDD3MLqBk

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\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
    "C:\Users\Admin\AppData\Local\Temp\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4760
    • 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\dd7f8279647853a150bd3ee08925d4c079de2acb210db8dec09a1fad53248a1c.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 0
        3⤵
          PID:4548

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2420-121-0x0000000000000000-mapping.dmp
    • memory/4548-122-0x0000000000000000-mapping.dmp
    • memory/4760-120-0x0000000000F40000-0x0000000001D18000-memory.dmp
      Filesize

      13.8MB

    • memory/4760-123-0x0000000000F40000-0x0000000001D18000-memory.dmp
      Filesize

      13.8MB