Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    29-10-2024 16:39

General

  • Target

    XBinderOutput(1).exe

  • Size

    607KB

  • MD5

    19d31479381cfda2c9878b427f51a0c2

  • SHA1

    5b8774c60b71dd32e7325d0fbceb3434975ca7cc

  • SHA256

    e3b4620b85709a793de2b777da764d094f9a6dc19ead0a7fcad953c1fb3e8550

  • SHA512

    14ce10c974af40f5ab3e93f3bb3ff5ada22a8c2245bf45f40be0a59a75bcd9bfb2bf2288416744a2cebb93b3eb487ba070670d553ea87ca8c0e566c727bf28a2

  • SSDEEP

    12288:DikJ/Wmo/J594F3o472LiJgSifSdq/UByol53uFb/V4YUWpcZm83:TJ/+z4F3osuiKoqsyol54bWYUK

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 21 IoCs

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

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Drops file in Program Files directory 6 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 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 21 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 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\XBinderOutput(1).exe
    "C:\Users\Admin\AppData\Local\Temp\XBinderOutput(1).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\AppData\Local\Temp\kendalcp.exe
      "C:\Users\Admin\AppData\Local\Temp\kendalcp.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\blocksavesperfMonitorDll\R7uOS4kiQeNNM8oo5bGADNHtfWe.vbe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\blocksavesperfMonitorDll\SAymW4LctOmWulF1E6221.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:324
          • C:\blocksavesperfMonitorDll\reviewDll.exe
            "C:\blocksavesperfMonitorDll\reviewDll.exe"
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4340
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\kiJzinkl2y.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2468
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:720
                • C:\Recovery\WindowsRE\cmd.exe
                  "C:\Recovery\WindowsRE\cmd.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2120
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\spoolsv.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1616
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2708
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\spoolsv.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 "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2176
    • 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:828
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3780
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\blocksavesperfMonitorDll\StartMenuExperienceHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\blocksavesperfMonitorDll\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3980
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\blocksavesperfMonitorDll\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1140
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4696
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1368
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Music\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Users\Public\Music\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1872
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Music\fontdrvhost.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 "taskhostwt" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows NT\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3156
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4664
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows NT\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3612
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files\Internet Explorer\uk-UA\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4332
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\uk-UA\explorer.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 "explorere" /sc MINUTE /mo 9 /tr "'C:\Program Files\Internet Explorer\uk-UA\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2800

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\kendalcp.exe

      Filesize

      1.1MB

      MD5

      0d015cc111d53a019e680b0bed11fcad

      SHA1

      3b3fb6eeba0c2ba286a4db5e850697399ccb5e36

      SHA256

      2b7365d9634016b0483009225b959692c290a6b17fad133e42434dc89fdf4150

      SHA512

      c3a7ea551d0151033dde83a3dda1042e8fe26702c84da2b630ecffb739aecb654730bb5f7ec8914189f72ca7d0ecf1352f0ca7effa938bc1d6f0ae56c3358eab

    • C:\Users\Admin\AppData\Local\Temp\kiJzinkl2y.bat

      Filesize

      194B

      MD5

      42da345558014e8bd5b0921db7ff0366

      SHA1

      143994ade3c5dcb7790202ba38203259b9800d92

      SHA256

      8ae29075f8d6ae8fddaaa10b2fb2c18f8e38de337ccefb49af4b995dd0eaaf88

      SHA512

      a699b883e6782c9563f99e352a044d1ce29ccbe231e5421e35d731500e9631e101fda2b34b25edecea3ee2b01342b8aee5a6019439c450c0b1c315cf834c91f5

    • C:\blocksavesperfMonitorDll\R7uOS4kiQeNNM8oo5bGADNHtfWe.vbe

      Filesize

      222B

      MD5

      a6f295a2e58c722b5935cc905e81fd8b

      SHA1

      a2a30408197320a639e3e2f18a57fc8578c97b58

      SHA256

      8bcebca170fc0768cb1afb63f1350d63c3a295b26ca04602e07ec43498b9691c

      SHA512

      839605d7eadcdc470dd4edd117cedd976cb9f36bf0a636d08afecc6378adadf0fccb80beb44de849b6dfec814845cef8ca83ca171b39c1f6d90d55485bd06635

    • C:\blocksavesperfMonitorDll\SAymW4LctOmWulF1E6221.bat

      Filesize

      43B

      MD5

      7c582abd8874b9cc60df72d62bd86440

      SHA1

      564e7b01338d08f657f2c02fa8fc5b8dadb92331

      SHA256

      c5e95b783c6ec1b98a40edf8663370c678de43e9b657e09ca1f054618277b329

      SHA512

      444cf67666329ea359e221560a229990013af07d1ed074b2406e903c7ee04cf279953ad0726a96c2ca875216da68369dfdde00f905adf1de9ed93b8582bf8828

    • C:\blocksavesperfMonitorDll\reviewDll.exe

      Filesize

      828KB

      MD5

      d9dac9e1d95e84e6aec084cf2ddb3f3a

      SHA1

      a231a41c7ad994879b15116dcea41fdc09bb5879

      SHA256

      0fbeb71fb1dfe793eace5ed167f035a8f4bcc6b56d0930b6b97481f2b222b1d5

      SHA512

      c4aa115de6f61c7311e8654d40537cd1ce08f0fb7efd0a225a42e06ad000ed420ba905e5cc26a19cb56af951ee1441aa257c073c47911a72fff733c0db1c2f9a

    • memory/3920-0-0x00007FF8E5203000-0x00007FF8E5205000-memory.dmp

      Filesize

      8KB

    • memory/3920-1-0x0000000000D00000-0x0000000000D9E000-memory.dmp

      Filesize

      632KB

    • memory/3920-3-0x00007FF8E5200000-0x00007FF8E5CC2000-memory.dmp

      Filesize

      10.8MB

    • memory/3920-17-0x00007FF8E5200000-0x00007FF8E5CC2000-memory.dmp

      Filesize

      10.8MB

    • memory/4340-31-0x0000000000790000-0x0000000000866000-memory.dmp

      Filesize

      856KB