Analysis

  • max time kernel
    125s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2025 14:16

General

  • Target

    29329d17b110755ec3a04e157abb845c.exe

  • Size

    2.2MB

  • MD5

    29329d17b110755ec3a04e157abb845c

  • SHA1

    756fd244223a93ce2778fd7fb5558d9861328d01

  • SHA256

    f14e979398839caddd543261a8e9773bcd5a95d9f433e113ecdc8605cd3b2393

  • SHA512

    89c29661d31fad68c9eb6a96a105c32c0c5e620cafc7e028031dd6b5ea4a0693e5d200ec8afab2989a169f6530764ad1427d431e8d0864bb0dec63e302b8f06f

  • SSDEEP

    24576:z2G/nvxW3WieCaKuZ3X4NGX254GP/gG22G/nvxW3WieCaKuZ3X4NGX254GP/gG3:zbA3jdKGMbA3jdKG5

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 6 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 4 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 39 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 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\29329d17b110755ec3a04e157abb845c.exe
    "C:\Users\Admin\AppData\Local\Temp\29329d17b110755ec3a04e157abb845c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Local\Temp\Windows Security center.exe
      "C:\Users\Admin\AppData\Local\Temp\Windows Security center.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\fontReviewWinsvc\IKs0TV0Kka.vbe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4540
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\fontReviewWinsvc\vYHJQoDOMXGczhSKhP5y.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1068
          • C:\fontReviewWinsvc\bridgeserver.exe
            "C:\fontReviewWinsvc\bridgeserver.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:752
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\AoU7PCw5FK.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3560
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:1116
                • C:\Program Files (x86)\MSBuild\Microsoft\SearchApp.exe
                  "C:\Program Files (x86)\MSBuild\Microsoft\SearchApp.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3196
      • C:\Users\Admin\AppData\Local\Temp\Xeno.exe
        "C:\Users\Admin\AppData\Local\Temp\Xeno.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Package Cache\{79043ED0-7ED1-4227-A5E5-04C5594D21F7}v48.108.8828\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4968
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\All Users\Package Cache\{79043ED0-7ED1-4227-A5E5-04C5594D21F7}v48.108.8828\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Package Cache\{79043ED0-7ED1-4227-A5E5-04C5594D21F7}v48.108.8828\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:912
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\Program Files\Java\jre-1.8\lib\images\cursors\OfficeClickToRun.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:640
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Java\jre-1.8\lib\images\cursors\OfficeClickToRun.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3420
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Program Files\Java\jre-1.8\lib\images\cursors\OfficeClickToRun.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 "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Windows\Temp\MsEdgeCrashpad\spoolsv.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3808
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Temp\MsEdgeCrashpad\spoolsv.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 "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Windows\Temp\MsEdgeCrashpad\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3916
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:856
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2792
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\fontReviewWinsvc\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2716
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\fontReviewWinsvc\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4248
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\fontReviewWinsvc\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4232
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:760
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4936
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 9 /tr "'C:\fontReviewWinsvc\upfc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\fontReviewWinsvc\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2456
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 11 /tr "'C:\fontReviewWinsvc\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4036
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:508
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\csrss.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 "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2324
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4360
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1044
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4492
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\fontReviewWinsvc\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3060
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\fontReviewWinsvc\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4460
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\fontReviewWinsvc\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4764
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\SearchApp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4768
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4752
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5008
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\unsecapp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1392
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Users\Admin\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:32
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5064
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2968
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1520
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\AoU7PCw5FK.bat

      Filesize

      219B

      MD5

      475a7dc503deeb32e7e4fdf1ea4963b3

      SHA1

      b43323b47694a58d41b91e74a0f808333f6b6687

      SHA256

      792a6f855e59a5a180f6a6d8aa725fddad17fac84c54b2c456db21492a23c68c

      SHA512

      7e130de3277a3be059055b70992dba2f01cb3171853477a84485219457c15a66f4dabdca22d9f654b2e8bdd8f20773440dddd4229e512c7092498f5f584c1993

    • C:\Users\Admin\AppData\Local\Temp\Windows Security center.exe

      Filesize

      1.1MB

      MD5

      6bf2a1527c48edcb5dea4c9035f5f6a6

      SHA1

      af4ff58323b50fc383e7826b6e510c3766b415f4

      SHA256

      935c658fbcf896ab36309ba83e4e9ff1d0bc0e7721df674eb7182de4c410b025

      SHA512

      7fa6400bdc89298c04355647baecaf5e1878fcba6c2cb8ccc830f942525a179e05e725dd089e901ab043c64599cb2932ad18cc501fafcca3a5cb0acca8257ac6

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

      Filesize

      1.1MB

      MD5

      e5dce86fbe51b6b9c33e111ed42f21f5

      SHA1

      1328cafafd57037ed3388fcd25b0aebf4aa5f419

      SHA256

      51c714ba16c6ce2102af19d6ede6d59d1e227146bcf483d42425e84b4276568a

      SHA512

      87e8869c91ab9111a4a23349a779d771208b977d5426d2a7d24661f308e45a05dd7567d92360dcb6f77fbd401cd3ddae00f85b39e87aeee70affb40ef5d5a49e

    • C:\fontReviewWinsvc\IKs0TV0Kka.vbe

      Filesize

      213B

      MD5

      d563827eec34121a5a03d593e4a4c44f

      SHA1

      abc3a788e4de8d7ab4169876b5b1ed5f60210ef6

      SHA256

      fe9abbd988a3bfe8fceaabd4555fa06e5c55a37e187bd4ed8de220a5ac7acf36

      SHA512

      ab1f3492f9dddc3c9340da5d0e923f14a507cce2ae42102db5ee72193ae5498f39c7ab109c636c8aaeed68d75ca67d34e3456059ab61a4ed8e860c840e7ad180

    • C:\fontReviewWinsvc\bridgeserver.exe

      Filesize

      827KB

      MD5

      275d4e06a752f65c90e9cfdb8647c78c

      SHA1

      59665fe53b027056fc99d4ec1d985199ab77500e

      SHA256

      ec3becadc28518911bbeb08f842442eb9d05c61147a523ba26951e955b3a1f9f

      SHA512

      70500aa94fd530e5e1029d654c34243634abdf565f760b32bd67baa249c828cc9e12ffa125470b148237c97ee74381ed0d5069ae3e61968386ff904a4da3798c

    • C:\fontReviewWinsvc\vYHJQoDOMXGczhSKhP5y.bat

      Filesize

      38B

      MD5

      4f0b93e875d3a9ebf7c3ade562025caa

      SHA1

      32d34d4bc3cbf922eb79959b7fb4356ed8208474

      SHA256

      c85e959b1dd2483c90be090926043740df8f932f3d0bb32ea36e6317234277ee

      SHA512

      32dbc9571dddd6c976d7d3b95b4a759ea9cb312e0657f1f2cc9b6457cf40a36ee490efff2f690d3461ed08f354d73fe050081366af6a5e243bdb544c4a5c3fb6

    • memory/752-30-0x00000000001B0000-0x0000000000286000-memory.dmp

      Filesize

      856KB

    • memory/2396-14-0x0000000000400000-0x0000000000644000-memory.dmp

      Filesize

      2.3MB

    • memory/4032-16-0x0000000000400000-0x0000000000526000-memory.dmp

      Filesize

      1.1MB