Overview

overview

10

Static

static

3

2024-02-01...uk.exe

windows7-x64

10

2024-02-01...uk.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    5s
  • max time network
    7s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2024 09:29

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General

  • Target

    2024-02-01_9951b7f5344d5d0e6728f90c1ffd0a3f_ryuk.exe

  • Size

    212KB

  • MD5

    9951b7f5344d5d0e6728f90c1ffd0a3f

  • SHA1

    5252a37cc0c4171f6261fbcc418d4fca83f0a543

  • SHA256

    0195976bef64857fc4c658d47e08463c1c733a879b793642813df10904c3a8c8

  • SHA512

    2ce934dbeb9888e8125856d0158f23a6c5d007a55f9d71287e308bcf312674642496a1f2aadfe276361b5c4945e37a5c3edde3be83dbdb8d531123fb2335f50f

  • SSDEEP

    3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvQ:ZEECCElQk3wqFQ

Score
9/10

Malware Config

Signatures

  • Detects command variations typically used by ransomware 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\2024-02-01_9951b7f5344d5d0e6728f90c1ffd0a3f_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-02-01_9951b7f5344d5d0e6728f90c1ffd0a3f_ryuk.exe"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\System32\net.exe
        "C:\Windows\System32\net.exe" stop "spooler" /y
        2⤵
          PID:444
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "spooler" /y
            3⤵
              PID:736
          • C:\Windows\System32\net.exe
            "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
            2⤵
              PID:4024
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "audioendpointbuilder" /y
                3⤵
                  PID:3376
              • C:\Windows\System32\net.exe
                "C:\Windows\System32\net.exe" stop "samss" /y
                2⤵
                  PID:876
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 stop "samss" /y
                1⤵
                  PID:4012

                Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                • memory/2552-0-0x00007FF6CB3F0000-0x00007FF6CB787000-memory.dmp
                  Filesize

                  3.6MB

                  Download
                • memory/2552-1-0x00007FF6CB3F0000-0x00007FF6CB787000-memory.dmp
                  Filesize

                  3.6MB

                  Download