Analysis

  • max time kernel
    1614s
  • max time network
    1597s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-02-2023 12:43

General

  • Target

    win64.ps1

  • Size

    1KB

  • MD5

    85a1e1c0cc3b9f043dbacfff56335607

  • SHA1

    ac4cb655a78a5634f6a87c82bec33a4391269a3f

  • SHA256

    e8c4ec795a14587d3b3ce34b73eca090ea9d9957fb612300abc6239ec293eb26

  • SHA512

    9531d8b59be82c3ac2b05d4a2831bd75c4a8f09e1e3c58a900aa323a9b942829afcc066c406089baafda7f55269f9b46216c503cee487ac5b2cf56dab4df1dbb

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\win64.ps1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3436
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 416 -p 3640 -ip 3640
    1⤵
      PID:3164
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3640 -s 772
      1⤵
      • Program crash
      PID:3868
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4648

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3436-132-0x00000207A2490000-0x00000207A24B2000-memory.dmp

        Filesize

        136KB

      • memory/3436-133-0x00007FF8AA040000-0x00007FF8AAB01000-memory.dmp

        Filesize

        10.8MB

      • memory/3436-134-0x00007FF8AA040000-0x00007FF8AAB01000-memory.dmp

        Filesize

        10.8MB

      • memory/3436-135-0x00000207A5250000-0x00000207A5262000-memory.dmp

        Filesize

        72KB

      • memory/3436-136-0x00000207A24D0000-0x00000207A24DA000-memory.dmp

        Filesize

        40KB

      • memory/3436-137-0x00007FF8AA040000-0x00007FF8AAB01000-memory.dmp

        Filesize

        10.8MB