Analysis

  • max time kernel
    314s
  • max time network
    308s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 10:47

General

  • Target

    123d7744a407af376b4ee4402ff8bee588b40540bcfba22fb64768d1de8c1861.jse

  • Size

    158KB

  • MD5

    7b76b698e90df66d4f4bbecf24c95325

  • SHA1

    65ba018f76ab977c3015540630befcd6e98cf9d9

  • SHA256

    123d7744a407af376b4ee4402ff8bee588b40540bcfba22fb64768d1de8c1861

  • SHA512

    1b36ec029df4d966a349aee30d672a61a55d5b75a85d77715fe308bd05ad209e24c94effdc7e07934bcd138ccabeb9755923fea735fe47e076cf1669b5050a06

  • SSDEEP

    3072:Jm0DRG5CxnKvNN7x0r0AW4VRh/v2rdiFEnljKIwpAWFLpMh25nf2Oi:JvlGwFKvNN1k0avQiFiljKIwxLpB2Oi

Score
10/10

Malware Config

Signatures

  • Detect magniber ransomware 2 IoCs
  • Magniber Ransomware

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

  • Modifies extensions of user files 11 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Modifies registry class
    PID:3432
  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
    • Modifies registry class
    PID:4168
  • C:\Windows\system32\backgroundTaskHost.exe
    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
    1⤵
      PID:4676
    • C:\Windows\System32\WScript.exe
      C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Local\Temp\123d7744a407af376b4ee4402ff8bee588b40540bcfba22fb64768d1de8c1861.jse"
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3880
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
      • Modifies registry class
      PID:3672
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
        PID:3524
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Suspicious use of UnmapMainImage
        PID:3364
      • C:\Windows\system32\DllHost.exe
        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
        1⤵
          PID:3260
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
          1⤵
          • Modifies registry class
          PID:812
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
          • Modifies extensions of user files
          • Modifies registry class
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:2628
        • C:\Windows\system32\taskhostw.exe
          taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
          1⤵
          • Modifies registry class
          PID:2936
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
          1⤵
          • Modifies registry class
          PID:2820
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Modifies registry class
          PID:2772
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -pss -s 448 -p 3260 -ip 3260
          1⤵
            PID:3360

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/2772-135-0x00000183C2260000-0x00000183C226A000-memory.dmp

            Filesize

            40KB

          • memory/3880-133-0x00007FFAFA860000-0x00007FFAFB321000-memory.dmp

            Filesize

            10.8MB

          • memory/3880-134-0x000001B1BF810000-0x000001B1C0810000-memory.dmp

            Filesize

            16.0MB

          • memory/3880-146-0x00007FFAFA860000-0x00007FFAFB321000-memory.dmp

            Filesize

            10.8MB

          • memory/3880-148-0x00007FFAFA860000-0x00007FFAFB321000-memory.dmp

            Filesize

            10.8MB