Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 09:59

General

  • Target

    terminal.exe

  • Size

    2.9MB

  • MD5

    200451026a7f2be02adb274026dc827a

  • SHA1

    655f5cff899d319975dfd43b1902e6318a0944f6

  • SHA256

    88953240e260b3ca53b4563afa657ee6d414b887a972e8862b12ca46e0a5853d

  • SHA512

    1054e3b258fab5f496cea9e156b0b17b9e5b1f4f5b049a4308df1b200d89534c88ec1ff11e6612a2b0961842984fe31d7d38b8077c14fd9bb388a03e7d0c3ac8

  • SSDEEP

    49152:1bA3PlN3nP+YscRfII1f8CReMT1Um7GWw/N0TOu09gqpBuuDqtmAP:1buN3nrsc5fdRfTr7GWw/ayl9RIuDqtZ

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 33 IoCs

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

  • UAC bypass 3 TTPs 6 IoCs
  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 33 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 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\terminal.exe
    "C:\Users\Admin\AppData\Local\Temp\terminal.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\containercomponentfontruntime\qhSOQkLJ6CCd.vbe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\containercomponentfontruntime\XmZE9.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\containercomponentfontruntime\portdrivernet.exe
          "C:\containercomponentfontruntime\portdrivernet.exe"
          4⤵
          • UAC bypass
          • Checks computer location settings
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • System policy modification
          PID:952
          • C:\Program Files (x86)\Reference Assemblies\Microsoft\unsecapp.exe
            "C:\Program Files (x86)\Reference Assemblies\Microsoft\unsecapp.exe"
            5⤵
            • UAC bypass
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            • System policy modification
            PID:2172
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\containercomponentfontruntime\cmd.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\containercomponentfontruntime\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2840
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\containercomponentfontruntime\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:400
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Program Files\dotnet\swidtag\OfficeClickToRun.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1388
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 8 /tr "'C:\Program Files\dotnet\swidtag\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5072
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4832
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\unsecapp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4504
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4640
  • 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:4744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4520
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\containercomponentfontruntime\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3112
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\containercomponentfontruntime\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\containercomponentfontruntime\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:368
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\containercomponentfontruntime\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2828
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\containercomponentfontruntime\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1336
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\containercomponentfontruntime\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Defender\en-US\OfficeClickToRun.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3888
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Defender\en-US\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\AppData\Roaming\cmd.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1764
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Roaming\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3576
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Roaming\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2472
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "MoUsoCoreWorkerM" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\MoUsoCoreWorker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "MoUsoCoreWorker" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\MoUsoCoreWorker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1908
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "MoUsoCoreWorkerM" /sc MINUTE /mo 5 /tr "'C:\Program Files\Uninstall Information\MoUsoCoreWorker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:980
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Windows\TAPI\conhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5084
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\TAPI\conhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Windows\TAPI\conhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\containercomponentfontruntime\XmZE9.bat

    Filesize

    52B

    MD5

    7f19dde92420e1112fb9ef25b0c56e38

    SHA1

    9da19ead2fccc172a39171f026eed2623229d2b7

    SHA256

    697ad5724417463eb1e37c6e173bc24ca4416b3c064036b06b5c05bc6c33742a

    SHA512

    6a184f7e5fb90e302fbdc92eff043b84cab803e741abea94a7a06e1c3f502babd60b95e75b705ae8cd27430dc0bf3873d4ff9b719ea28648f50e080ebef79268

  • C:\containercomponentfontruntime\portdrivernet.exe

    Filesize

    2.7MB

    MD5

    718e0805d80d7e040a20b5aeda4f877d

    SHA1

    c83f6d2c1ec158e20af2bf54f4d7aeb465cbe58e

    SHA256

    cb1189a7b059346d31cca7596357609eb52e9e518ef59a7659a0e061602f7c0b

    SHA512

    d3854ad4a29732f802a5087c320ca8b85cf46a818f5d283ab612254e9b495e4019c58cc1c8fe7d9f369e070a025d367d6226cf92343b1cafdc8f4aab9fb38cc9

  • C:\containercomponentfontruntime\qhSOQkLJ6CCd.vbe

    Filesize

    211B

    MD5

    8ac77355599fe3bfb19415a591c62148

    SHA1

    ca5b38c7525b454144d6dfb681a7d5b7c8afd807

    SHA256

    993cc8867a308e64cb94b89206c6632cc1e160a5de372e29686b86a7eb9b318b

    SHA512

    38c7bce3490a171bda26f482e1ef50cdd5cbe8f59f9ce5bafbc452fb8f3b878b9e72a3358489765e8b30ca19e8dba9cb9ffed92f24267a7ba0aab5311416b2b6

  • memory/952-21-0x000000001B710000-0x000000001B71A000-memory.dmp

    Filesize

    40KB

  • memory/952-23-0x000000001BED0000-0x000000001BED8000-memory.dmp

    Filesize

    32KB

  • memory/952-14-0x0000000001350000-0x000000000135E000-memory.dmp

    Filesize

    56KB

  • memory/952-15-0x000000001B6A0000-0x000000001B6BC000-memory.dmp

    Filesize

    112KB

  • memory/952-16-0x000000001BE80000-0x000000001BED0000-memory.dmp

    Filesize

    320KB

  • memory/952-17-0x0000000001360000-0x0000000001368000-memory.dmp

    Filesize

    32KB

  • memory/952-18-0x000000001B6C0000-0x000000001B6D0000-memory.dmp

    Filesize

    64KB

  • memory/952-19-0x000000001B6F0000-0x000000001B706000-memory.dmp

    Filesize

    88KB

  • memory/952-20-0x000000001B6D0000-0x000000001B6D8000-memory.dmp

    Filesize

    32KB

  • memory/952-12-0x00007FFD215F3000-0x00007FFD215F5000-memory.dmp

    Filesize

    8KB

  • memory/952-22-0x000000001B720000-0x000000001B776000-memory.dmp

    Filesize

    344KB

  • memory/952-13-0x00000000008E0000-0x0000000000B94000-memory.dmp

    Filesize

    2.7MB

  • memory/952-24-0x000000001BFE0000-0x000000001BFF2000-memory.dmp

    Filesize

    72KB

  • memory/952-25-0x000000001C520000-0x000000001CA48000-memory.dmp

    Filesize

    5.2MB

  • memory/952-28-0x000000001BF20000-0x000000001BF2C000-memory.dmp

    Filesize

    48KB

  • memory/952-30-0x000000001BF40000-0x000000001BF4C000-memory.dmp

    Filesize

    48KB

  • memory/952-29-0x000000001BF30000-0x000000001BF3E000-memory.dmp

    Filesize

    56KB

  • memory/952-27-0x000000001BF10000-0x000000001BF18000-memory.dmp

    Filesize

    32KB

  • memory/952-26-0x000000001BF00000-0x000000001BF08000-memory.dmp

    Filesize

    32KB

  • memory/952-31-0x000000001BF50000-0x000000001BF5A000-memory.dmp

    Filesize

    40KB

  • memory/952-32-0x000000001BF60000-0x000000001BF6C000-memory.dmp

    Filesize

    48KB

  • memory/2172-66-0x000000001BAC0000-0x000000001BB16000-memory.dmp

    Filesize

    344KB