Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 02:39

General

  • Target

    7ff470b90b9950a85f958412ecc2d71fe9f243bd3a4882a630745d8276a718d8.exe

  • Size

    827KB

  • MD5

    56ab99637a82f98cec56b3318878bc99

  • SHA1

    9b5e3f53a3a7eeb37cf9d00e1787816e2e16fe0b

  • SHA256

    7ff470b90b9950a85f958412ecc2d71fe9f243bd3a4882a630745d8276a718d8

  • SHA512

    aacedc5ed4baf76c1551d865358d5c1662d2cac17bea9bbc35abecc6b145f4be50423b29c2e90cd0ff3e3d11874aee184b9d42c1f8a395f0fa2246c46bdba323

  • SSDEEP

    12288:ws2MkHy0AkGWpU5cv+ALaOBULNrBjHo0+ET08QzjrWZIESls:oMGyZkGWPlaOBULdBjiN8QsDz

Score
10/10

Malware Config

Signatures

  • DcRat

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

  • Dcrat family
  • Process spawned unexpected child process 45 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 45 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ff470b90b9950a85f958412ecc2d71fe9f243bd3a4882a630745d8276a718d8.exe
    "C:\Users\Admin\AppData\Local\Temp\7ff470b90b9950a85f958412ecc2d71fe9f243bd3a4882a630745d8276a718d8.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\K79ePxSlaT.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:5076
        • C:\Program Files\Windows Defender\es-ES\sysmon.exe
          "C:\Program Files\Windows Defender\es-ES\sysmon.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:4452
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2144
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4928
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3872
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Program Files\Google\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3716
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Google\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:884
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Program Files\Google\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4396
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Photo Viewer\TextInputHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1208
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:848
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Photo Viewer\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:944
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3192
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Mail\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4264
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3984
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1256
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:632
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Music\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3156
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Admin\Music\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4688
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\Music\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2352
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Windows\PrintDialog\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2772
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\PrintDialog\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:584
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Windows\PrintDialog\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4932
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Defender\es-ES\sysmon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1076
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\es-ES\sysmon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3712
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Defender\es-ES\sysmon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2064
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 11 /tr "'C:\Windows\security\templates\MusNotification.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2660
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotification" /sc ONLOGON /tr "'C:\Windows\security\templates\MusNotification.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 8 /tr "'C:\Windows\security\templates\MusNotification.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2732
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2296
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3012
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\it-IT\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4692
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3016
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4760
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files\VideoLAN\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4160
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files\VideoLAN\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3356
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\OfficeClickToRun.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3772
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5096
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4580
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\MusNotification.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotification" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\MusNotification.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3836
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\MusNotification.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1152
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1880
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4104

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Recovery\WindowsRE\fontdrvhost.exe

      Filesize

      827KB

      MD5

      56ab99637a82f98cec56b3318878bc99

      SHA1

      9b5e3f53a3a7eeb37cf9d00e1787816e2e16fe0b

      SHA256

      7ff470b90b9950a85f958412ecc2d71fe9f243bd3a4882a630745d8276a718d8

      SHA512

      aacedc5ed4baf76c1551d865358d5c1662d2cac17bea9bbc35abecc6b145f4be50423b29c2e90cd0ff3e3d11874aee184b9d42c1f8a395f0fa2246c46bdba323

    • C:\Users\Admin\AppData\Local\Temp\K79ePxSlaT.bat

      Filesize

      215B

      MD5

      e9aa78334417ea228ba10bf3a9343fbc

      SHA1

      6ab466789ab6a5d49e49dc8c2de1dd3a1a6c9e1f

      SHA256

      03cf0ef4263ea85346a76331f5ef81bb1ac2b2941a2e68b6bb0839e52be36f1b

      SHA512

      9ea8bc2aca80538ff2571605ffb465ab46424a253cbb4e5c0bf4727aba87480375d868db62390386478399940ba533c740743ac7a91f7dc0ca9e285a7eca99b8

    • memory/3140-0-0x00007FF8470A3000-0x00007FF8470A5000-memory.dmp

      Filesize

      8KB

    • memory/3140-1-0x0000000000100000-0x00000000001D6000-memory.dmp

      Filesize

      856KB

    • memory/3140-2-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB

    • memory/3140-38-0x00007FF8470A0000-0x00007FF847B61000-memory.dmp

      Filesize

      10.8MB