Analysis

  • max time kernel
    51s
  • max time network
    146s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-09-2022 02:53

General

  • Target

    SYSTEM.Security.Database.Upgrade.Win10.0_1.jse

  • Size

    192KB

  • MD5

    b40966619d66f80774ebf817c3316acc

  • SHA1

    cdc90f17b5a54005993a4db61ac60e0b905f8416

  • SHA256

    5472bce876d0758fb1379260504b791a3b8c95b87fc365f5ce8c3a6424facd34

  • SHA512

    a489b19a01b66807e3cc5af17abdc679e72d34139b47f5face96ac68cf183f5d790d24adb065db9327dd82cde24532c3e193a716a5212df310f90eb7e241b88e

  • SSDEEP

    6144:9a6398SbpjPvtKLqAMFHEbbz5ek3/Auyn5Ia:xnvkwdizUk3/Auynqa

Score
10/10

Malware Config

Signatures

  • Detect magniber ransomware 3 IoCs
  • Magniber Ransomware

    Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
    1⤵
      PID:2356
    • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
      "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
      1⤵
        PID:3280
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:3696
        • C:\Windows\System32\RuntimeBroker.exe
          C:\Windows\System32\RuntimeBroker.exe -Embedding
          1⤵
            PID:3492
          • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
            "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
            1⤵
              PID:3296
            • C:\Windows\Explorer.EXE
              C:\Windows\Explorer.EXE
              1⤵
                PID:3048
                • C:\Windows\System32\WScript.exe
                  C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\SYSTEM.Security.Database.Upgrade.Win10.0_1.jse"
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:2432
              • c:\windows\system32\taskhostw.exe
                taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
                1⤵
                  PID:2772
                • c:\windows\system32\sihost.exe
                  sihost.exe
                  1⤵
                    PID:2344

                  Network

                  MITRE ATT&CK Matrix

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/2344-122-0x000002C939A30000-0x000002C939A3B000-memory.dmp

                    Filesize

                    44KB

                  • memory/2432-119-0x00000275C8B70000-0x00000275C8B82000-memory.dmp

                    Filesize

                    72KB

                  • memory/2432-121-0x00000275CA090000-0x00000275CB090000-memory.dmp

                    Filesize

                    16.0MB