Analysis

  • max time kernel
    117s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24/03/2025, 14:09

General

  • Target

    59435c6b2d1bd3dfd8daf2feae93cdcba6f1e3bbebe2a6012fe9e82671279573.exe

  • Size

    1.3MB

  • MD5

    c4c3dda932f1f288a7091eb1b6bfcc8f

  • SHA1

    63216a8fc66477860834a280b812b170863af11a

  • SHA256

    59435c6b2d1bd3dfd8daf2feae93cdcba6f1e3bbebe2a6012fe9e82671279573

  • SHA512

    cf6ed58e0942d09663627a79464bf77eccedfa79082fe12724a2fc022edd56c2107fae25be23bc14c070354583e06335dad635974a6a2f9d74c80ec6ea35b269

  • SSDEEP

    24576:mM0FvyGsOBDr8gCy5viNtXY91McnOTlRLzrwlKfPGGPwOQVC8+zJ:F0FvJzgSiNR5VzrwMfuG4OQ3+zJ

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 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 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\59435c6b2d1bd3dfd8daf2feae93cdcba6f1e3bbebe2a6012fe9e82671279573.exe
    "C:\Users\Admin\AppData\Local\Temp\59435c6b2d1bd3dfd8daf2feae93cdcba6f1e3bbebe2a6012fe9e82671279573.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Roaming\Snace.exe
      "C:\Users\Admin\AppData\Roaming\Snace.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\reviewWinrefperfsvc\NHaFmwJEQMsxRcKOggYq.vbe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\reviewWinrefperfsvc\JyFFgHmHFgHO7gB8l.bat" "
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\reviewWinrefperfsvc\WebRuntimeDll.exe
            "C:\reviewWinrefperfsvc\WebRuntimeDll.exe"
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2864
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\QBOcYBAr9Y.bat"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1756
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                7⤵
                  PID:1624
                • C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe
                  "C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe"
                  7⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1552
      • C:\Users\Admin\AppData\Roaming\Змейка by ДК and AS.exe
        "C:\Users\Admin\AppData\Roaming\Змейка by ДК and AS.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2920
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\Windows\L2Schemas\lsm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1656
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\L2Schemas\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2416
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Windows\L2Schemas\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2620
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2972
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3052
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2756
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 13 /tr "'C:\reviewWinrefperfsvc\conhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3012
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\reviewWinrefperfsvc\conhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2988
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\reviewWinrefperfsvc\conhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2028
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:688
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1568
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2500
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Змейка by ДК and ASЗ" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\Змейка by ДК and AS.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1596
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Змейка by ДК and AS" /sc ONLOGON /tr "'C:\Users\Default User\Змейка by ДК and AS.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 "Змейка by ДК and ASЗ" /sc MINUTE /mo 7 /tr "'C:\Users\Default User\Змейка by ДК and AS.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1468
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Windows\AppPatch\Idle.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2672
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\AppPatch\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:588
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Windows\AppPatch\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:784
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\OSPPSVC.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2188
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 10 /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1860
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1108
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 13 /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1532
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\it-IT\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1172
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\it-IT\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2484
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files\Internet Explorer\it-IT\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1940
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows NT\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1584
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Windows NT\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:844
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows NT\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1644
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\Windows\L2Schemas\WmiPrvSE.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1720
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\L2Schemas\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\Windows\L2Schemas\WmiPrvSE.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:396
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\dwm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2668
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1680
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1956
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\audiodg.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1704
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\audiodg.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2368
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\audiodg.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\QBOcYBAr9Y.bat

      Filesize

      227B

      MD5

      010d895f14d97e179eb392afa7e8a763

      SHA1

      972d9a14026d9a1283a90e8767595f2ed76033bd

      SHA256

      b8381d74d78aec447444d6d3de2b8d9cd2036621fc1e898f2d32af941655bbf4

      SHA512

      03a2ce17402904d13b19a8eeabc5001265ed23c6323a3289c21dc42a05f998b7f58d679e070c1fb2f7496a6c43fd43e8d7219d134d5808ee122bfae3af369485

    • C:\Users\Admin\AppData\Roaming\Snace.exe

      Filesize

      1.1MB

      MD5

      886ec8f57236b11553cbb8de98cf1b69

      SHA1

      f72c049fcd8baa73e74d70c79d3f3b3045b8cd90

      SHA256

      958a4807d4c38b89256f1094b72703e7bdec8ca424443e9db71cc271ec75200e

      SHA512

      6284b75c1f9f8b30926e5e1c6a2a0925ef2aeb5202ac706b9565a226199de6b249e5f01a523df96d79f943986a642d420ecf077590d8f03ceba060eb2fa36114

    • C:\Users\Admin\AppData\Roaming\Змейка by ДК and AS.exe

      Filesize

      204KB

      MD5

      89a940000e5a7562ca32fe47e62d9ab3

      SHA1

      5afb63a26e2ac622e265e1279323a349c71e0b2d

      SHA256

      819bca0c3d379cb4375fd72199957791edab39e76eeec2f3be403275009787e8

      SHA512

      2a3f1818ef815a9a5ce944621775c33774f748877fd7baf858d1224a1beba2aac707354356d717b2143e6ef2877ce63fd7e41a5d083fb3d93b9887452f466553

    • C:\reviewWinrefperfsvc\JyFFgHmHFgHO7gB8l.bat

      Filesize

      42B

      MD5

      3f6e29bbbf283829bb2dc00aeb600bfb

      SHA1

      064b543066405b411d9713fdc3d042bcebc6a984

      SHA256

      775dc60b73fa023ba0a7d4b394a4d911c74af2951e0f6379d337ee566a81cd2b

      SHA512

      9d8a79cbebd80bb4d7b37f8106b1556a06be25cb89d70593f1b4a1b2111a3088bc08b6115bef9db2df408d22f5dc06644abf6e4a5edcaff385c9f033a17e7865

    • C:\reviewWinrefperfsvc\NHaFmwJEQMsxRcKOggYq.vbe

      Filesize

      213B

      MD5

      60bb10e1b4c6be7987af6cdb164a2ea7

      SHA1

      452bd2a19a71b7b0138cebc399013e7fd5faf992

      SHA256

      139fcb96f7b9fce0dde74056a75940d5cd131571a1ce3005476efec24824df39

      SHA512

      09cc5f1de91462474618ce6bc9bf6fbc3f8e9961cc27548428d146f274570a7d8f5a6562d3f66f7fe874cdbd2ecc720f933b3122bb41b25415201e3a7275ec96

    • C:\reviewWinrefperfsvc\WebRuntimeDll.exe

      Filesize

      827KB

      MD5

      6307ea5399fdc7482c17c3ac5e287d13

      SHA1

      9861a738275262a084500d39743674a274c8a396

      SHA256

      8e1afc545da625009596890cb867865d1073ca7ac96efae987663305f53c3e3b

      SHA512

      369e88b1de6b0824e52253a25aed270bceb607265c7040e3324d8b323b719af6cbbc273f408ce9271005e424fa24be9d6db4a32b72a754b5bb2747a09ad97d42

    • memory/1552-64-0x0000000000250000-0x0000000000326000-memory.dmp

      Filesize

      856KB

    • memory/2568-0-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

      Filesize

      4KB

    • memory/2568-1-0x0000000000DB0000-0x0000000000F0C000-memory.dmp

      Filesize

      1.4MB

    • memory/2864-30-0x0000000000BA0000-0x0000000000C76000-memory.dmp

      Filesize

      856KB