Analysis

  • max time kernel
    92s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 02:20

General

  • Target

    500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015.exe

  • Size

    2.3MB

  • MD5

    97177514cab51539083ef130f005bbd1

  • SHA1

    49e2661ee3e8f6fd6b06334b00543590ed8fe208

  • SHA256

    500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015

  • SHA512

    7ce6e7255d482b7c78f759098f9744f5f0ef462a79ad061d19f8036061b807963c924665bbe66e23e26a36990b5849d527b750ab6d0e9f6010cf4d665ec3d897

  • SSDEEP

    49152:2QZEVRb3qgQujSIZijBW7vrGGzt2q5je54Ng3q1qrFBZT4:2GEVRagQujSei5GpZJCmqrZT

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 39 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 12 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015.exe
    "C:\Users\Admin\AppData\Local\Temp\500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\Videos\Idle.exe
      "C:\Users\Admin\Videos\Idle.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1296
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Default User\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3760
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4368
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Windows\RemotePackages\RemoteDesktops\SearchApp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\RemotePackages\RemoteDesktops\SearchApp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 9 /tr "'C:\Windows\RemotePackages\RemoteDesktops\SearchApp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Videos\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default\Videos\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Videos\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2384
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Defender\it-IT\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2292
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\it-IT\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2728
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Defender\it-IT\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3604
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1464
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\ClientX64\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5040
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.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 "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5036
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Google\Temp\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Temp\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:212
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Google\Temp\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1768
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\Registry.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5048
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 13 /tr "'C:\Program Files\Microsoft Office 15\Registry.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4420
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office 15\Registry.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Favorites\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:452
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Default\Favorites\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Favorites\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3124
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\upfc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2272
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\upfc.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 "upfcu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\upfc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Videos\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:648
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Videos\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3108
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Windows\Panther\UnattendGC\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2392
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\Panther\UnattendGC\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1980
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 6 /tr "'C:\Windows\Panther\UnattendGC\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4956

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office 15\ClientX64\explorer.exe

          Filesize

          2.3MB

          MD5

          97177514cab51539083ef130f005bbd1

          SHA1

          49e2661ee3e8f6fd6b06334b00543590ed8fe208

          SHA256

          500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015

          SHA512

          7ce6e7255d482b7c78f759098f9744f5f0ef462a79ad061d19f8036061b807963c924665bbe66e23e26a36990b5849d527b750ab6d0e9f6010cf4d665ec3d897

        • memory/1848-4-0x000000001B090000-0x000000001B0E0000-memory.dmp

          Filesize

          320KB

        • memory/1848-9-0x000000001AF70000-0x000000001AF7E000-memory.dmp

          Filesize

          56KB

        • memory/1848-3-0x000000001AED0000-0x000000001AEEC000-memory.dmp

          Filesize

          112KB

        • memory/1848-0-0x00007FFEF6F03000-0x00007FFEF6F05000-memory.dmp

          Filesize

          8KB

        • memory/1848-6-0x000000001AF10000-0x000000001AF66000-memory.dmp

          Filesize

          344KB

        • memory/1848-5-0x000000001AEF0000-0x000000001AF06000-memory.dmp

          Filesize

          88KB

        • memory/1848-2-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

          Filesize

          10.8MB

        • memory/1848-11-0x000000001B110000-0x000000001B118000-memory.dmp

          Filesize

          32KB

        • memory/1848-7-0x000000001AF60000-0x000000001AF72000-memory.dmp

          Filesize

          72KB

        • memory/1848-10-0x000000001B100000-0x000000001B108000-memory.dmp

          Filesize

          32KB

        • memory/1848-8-0x000000001BF80000-0x000000001C4A8000-memory.dmp

          Filesize

          5.2MB

        • memory/1848-1-0x0000000000180000-0x00000000003D2000-memory.dmp

          Filesize

          2.3MB

        • memory/1848-49-0x00007FFEF6F00000-0x00007FFEF79C1000-memory.dmp

          Filesize

          10.8MB

        • memory/2236-50-0x000000001B560000-0x000000001B5B6000-memory.dmp

          Filesize

          344KB

        • memory/2236-51-0x0000000002360000-0x0000000002372000-memory.dmp

          Filesize

          72KB