Overview

overview

10

Static

static

10

mega porno.exe

windows10-ltsc 2021-x64

10

mega porno.exe

windows11-21h2-x64

10

Resubmissions

27-01-2025 14:25

250127-rraqtatkep 10

27-01-2025 14:19

250127-rnbtpssmby 10

Analysis

  • max time kernel
    546s
  • max time network
    449s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    27-01-2025 14:25

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General

  • Target

    mega porno.exe

  • Size

    1.1MB

  • MD5

    d9bebe465eb9703f2a1adb5937fc68be

  • SHA1

    ae22dcdb8c5982639bb28fb4dd8848821711aed1

  • SHA256

    17d352f187fbc5bfce4f52bc3f2cfd945e287446d11403e6115948080b1a9f50

  • SHA512

    22d4e6e3f9877366c9d5d0ccc2fab9335955331646f38a32ef03e1e93c5a91d0a4b829c5159f87cd4a777eddd4b50671e9e26b09d08df0758a95779c8312a6cd

  • SSDEEP

    24576:U2G/nvxW3Ww0tXe0Zu4AarrP2OCm4g41Zf6:UbA30Xe0Z9uYz41o

Score
10/10
dcratdiscoveryinfostealerpersistencerat

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    ratinfostealerdcrat
  • Dcrat family
    dcrat
  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Process spawned unexpected child process 6 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

    rat
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\mega porno.exe
    "C:\Users\Admin\AppData\Local\Temp\mega porno.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\bridgeComponentCrt\nKJB6Zs08weWG.vbe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\bridgeComponentCrt\AbOXMghu6Hp1TCPLq6iDSJn8zEWjUF.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4364
        • C:\bridgeComponentCrt\Serversvc.exe
          "C:\bridgeComponentCrt\Serversvc.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Checks computer location settings
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4776
          • C:\bridgeComponentCrt\Serversvc.exe
            "C:\bridgeComponentCrt\Serversvc.exe"
            5⤵
            • Modifies WinLogon for persistence
            • Checks computer location settings
            • Executes dropped EXE
            • Adds Run key to start application
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:5032
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\NyMgGRcbVr.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3596
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:4280
                • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
                  "C:/Users/Admin/AppData/Local/\RuntimeBroker.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1492
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ServersvcS" /sc MINUTE /mo 6 /tr "'C:/Users/Admin/AppData/Local/\Serversvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4512
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Serversvc" /sc ONLOGON /tr "'C:/Users/Admin/AppData/Local/\Serversvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1648
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "ServersvcS" /sc MINUTE /mo 13 /tr "'C:/Users/Admin/AppData/Local/\Serversvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2280
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:/Users/Admin/AppData/Local/\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1960
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:/Users/Admin/AppData/Local/\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:768
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:/Users/Admin/AppData/Local/\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3120
    • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
      "C:/Users/Admin/AppData/Local/\RuntimeBroker.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RuntimeBroker.exe.log
      Filesize

      1KB

      MD5

      b08c36ce99a5ed11891ef6fc6d8647e9

      SHA1

      db95af417857221948eb1882e60f98ab2914bf1d

      SHA256

      cc9248a177495f45ec70b86c34fc5746c56730af36ace98ac7eb365dbafda674

      SHA512

      07e62581eace395b0a9699d727761648103180c21155d84ea09140f9e1c9690705c419118545aa67a564334bbde32710225fe3aa92b0b4b4210cb91f0058b1ea

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Serversvc.exe.log
      Filesize

      1KB

      MD5

      fcbbff8eeb93ad014bf73143a67cbdce

      SHA1

      79cd0f544ba90184d14911c68dc2314f2225a020

      SHA256

      4f3945ae2db9e60f191a1dc16b1e156710f81037869b5515e0c8ed0b31070d01

      SHA512

      f5c8342c814d31d561642a0218011b86adcac40a068acdfe1870fd26c0b63927a4bcb53fedacb1bfd8f3ae6fde75ddd66ff5ed49dced4a39bfce575f51603ef5

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\272861e3e255283adbe8513732b11c40c25b19994.5.32861b7e248a497df38ced2d1412ef3cd66d1d1498
      Filesize

      124B

      MD5

      301b7c1c7d3926da0aa5b53bec7af3f9

      SHA1

      81e09923e94e71d257a2594cc7c2ec3068456cee

      SHA256

      0a5876aa8cf241f354a122004a9f600e09db0a0d4c1fd28860ea0a7141a77cdf

      SHA512

      1f4958b2254eb40d2a401f271e27e70f5e4b8e0867a0169e80f645d5b80b2986650f92a3363c80d02275c66357ce4d1da2c602d0399b497b026e656e05a4b7da

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\NyMgGRcbVr.bat
      Filesize

      212B

      MD5

      3911fcc99ab6f7974d3f9bb16cab3975

      SHA1

      49ec2dfe56537bea7779a945317d5a42e0a6f400

      SHA256

      d8650c98fc08450a6eec9001198755334facc9724729e74973295f4bb4b52550

      SHA512

      3de5d6fd6c220a70c9d3979b1bf76f3c59c63b785efebe542c71c8b0f2ad26e69f3fd3754d6a75514eb0f21ac2093ffb77c80ddaa842220555c64196df097c41

      Download Submit

    • C:\bridgeComponentCrt\AbOXMghu6Hp1TCPLq6iDSJn8zEWjUF.bat
      Filesize

      37B

      MD5

      fba137b0206d26e4236cf54f07b2e1d6

      SHA1

      223fb8506f5c69c81d7e29d2fdff97ece2340216

      SHA256

      1a097cd2bfcd3fb225ef85d466e63e8bb6941795b7791c6e81d28b2f85d859ae

      SHA512

      5da8199091468b527e7f8898b857a396f08ef0fd9dd11b2e01945228ea43aad8276519a3bb3f2c259a3d0bb5a1670f659aa6652d3b5cbd4c3631574c315a1635

      Download Submit

    • C:\bridgeComponentCrt\Serversvc.exe
      Filesize

      827KB

      MD5

      2b1b671bc3ef38079bfc62e0383258e8

      SHA1

      1231c2d534a55d0e0923953e3d238a2052d6fad7

      SHA256

      50ba49f457fa7dad0a39dbf75d14570d5308b33b1c4141e37223dda5c731f4b9

      SHA512

      0552db872a39c27e069a6526db6046368887fc2fc42534ab63fb30ed235388cf831b52bec5234b2fb2bec50f774fe17d31a27323b702f03029233d6a1b9d5f23

      Download Submit

    • C:\bridgeComponentCrt\nKJB6Zs08weWG.vbe
      Filesize

      225B

      MD5

      d707b3ccfb11e63e10abb2c3ec47411e

      SHA1

      6302bb98d841def5b1e7a9096449111f106a829b

      SHA256

      4620c6c35769d741fdc7e3105ac2a283467817d822d9ad360149301bad0f6418

      SHA512

      5d7566accd25af3e895a746cadad2a37df6bc8f8622305d3d688a21a520f137d94a78fe5f89d039aca2295ea2d00ce37cc81f5cac75ecda616c7b99bfae29484

      Download Submit

    • memory/4776-15-0x00007FFCBC503000-0x00007FFCBC505000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4776-16-0x0000000000910000-0x00000000009E6000-memory.dmp

      Filesize

      856KB

      Download