Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2024, 02:36

General

  • Target
    97177514cab51539083ef130f005bbd1.exe
  • Size 2.3MB
  • Sample241229-c3kylazmax
  • SHA256 500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015
  • MD5 SHA1 SHA512 SSDEEP
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 57 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 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 57 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 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\97177514cab51539083ef130f005bbd1.exe
    "C:\Users\Admin\AppData\Local\Temp\97177514cab51539083ef130f005bbd1.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:4628
    • C:\Program Files\Windows Media Player\de-DE\wininit.exe
      "C:\Program Files\Windows Media Player\de-DE\wininit.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 8 /tr "'C:\Windows\uk-UA\SppExtComObj.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2316
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\uk-UA\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4004
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 8 /tr "'C:\Windows\uk-UA\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:8
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Update\1.3.36.371\TextInputHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1456
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Update\1.3.36.371\TextInputHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4800
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Google\Update\1.3.36.371\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 10 /tr "'C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2252
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 11 /tr "'C:\Program Files\VideoLAN\taskhostw.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3612
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\taskhostw.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:740
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 6 /tr "'C:\Program Files\VideoLAN\taskhostw.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2924
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 10 /tr "'C:\Users\Public\sysmon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Users\Public\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2932
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 12 /tr "'C:\Users\Public\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 10 /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\en-US\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4372
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2104
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2260
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Windows\Tasks\SppExtComObj.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4168
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\Tasks\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Windows\Tasks\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Media Player\de-DE\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2960
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\de-DE\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3048
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Media Player\de-DE\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2692
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2356
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2136
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Program Files\VideoLAN\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:384
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1636
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:220
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2964
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5080
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Windows\ShellComponents\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:680
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\ShellComponents\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Windows\ShellComponents\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4336
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3056
  • 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:1804
  • 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:2916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\3D Objects\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Admin\3D Objects\dwm.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 "dwmd" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\3D Objects\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2244
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Windows\INF\ServiceModelEndpoint 3.0.0.0\backgroundTaskHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1088
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\INF\ServiceModelEndpoint 3.0.0.0\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3476
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Windows\INF\ServiceModelEndpoint 3.0.0.0\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2996
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:548
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1084
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Program Files\Crashpad\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Crashpad\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Crashpad\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        sysmon.exe

        • Path C:\Users\Public\sysmon.exe
        • Size 2.3MB
        • SHA256 500a74281de1bc8e6eb4e08eb8705235f4436ccb209ecaca91fe4ad43a869015
        • MD5 SHA1 SHA512 SSDEEP

        memory/3044-62-0x000000001B870000-0x000000001B882000-memory.dmp

        memory/4628-6-0x000000001B960000-0x000000001B9B6000-memory.dmp

        memory/4628-3-0x0000000001540000-0x000000000155C000-memory.dmp

        memory/4628-4-0x0000000002EC0000-0x0000000002F10000-memory.dmp

        memory/4628-5-0x0000000002D50000-0x0000000002D66000-memory.dmp

        memory/4628-0-0x00007FF887D13000-0x00007FF887D15000-memory.dmp

        memory/4628-7-0x00000000012D0000-0x00000000012E2000-memory.dmp

        memory/4628-8-0x000000001C820000-0x000000001CD48000-memory.dmp

        memory/4628-9-0x0000000002D90000-0x0000000002D9E000-memory.dmp

        memory/4628-11-0x0000000002F10000-0x0000000002F18000-memory.dmp

        memory/4628-10-0x0000000002DA0000-0x0000000002DA8000-memory.dmp

        memory/4628-2-0x00007FF887D10000-0x00007FF8887D1000-memory.dmp

        memory/4628-61-0x00007FF887D10000-0x00007FF8887D1000-memory.dmp

        memory/4628-1-0x00000000009C0000-0x0000000000C12000-memory.dmp