Analysis

  • max time kernel
    131s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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 45 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 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 3 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.

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 45 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Roaming\Snace.exe
      "C:\Users\Admin\AppData\Roaming\Snace.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\reviewWinrefperfsvc\NHaFmwJEQMsxRcKOggYq.vbe"
        3⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5576
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\reviewWinrefperfsvc\JyFFgHmHFgHO7gB8l.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5932
          • C:\reviewWinrefperfsvc\WebRuntimeDll.exe
            "C:\reviewWinrefperfsvc\WebRuntimeDll.exe"
            5⤵
            • Checks computer location settings
            • 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:5920
            • C:\Users\Public\Documents\My Pictures\SearchApp.exe
              "C:\Users\Public\Documents\My Pictures\SearchApp.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:3032
    • 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:1556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Users\Default\Links\taskhostw.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1040
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Users\Default\Links\taskhostw.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1392
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Links\taskhostw.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Windows\security\database\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5008
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\security\database\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3368
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Windows\security\database\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5648
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\fontdrvhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office 15\ClientX64\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4444
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files\Microsoft Office 15\ClientX64\fontdrvhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:796
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WebRuntimeDllW" /sc MINUTE /mo 13 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WebRuntimeDll.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:908
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WebRuntimeDll" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WebRuntimeDll.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:6068
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WebRuntimeDllW" /sc MINUTE /mo 5 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\WebRuntimeDll.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3596
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1316
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Default User\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:380
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\aff403968f1bfcc42131676322798b50\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:900
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\aff403968f1bfcc42131676322798b50\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:412
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\aff403968f1bfcc42131676322798b50\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4324
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 14 /tr "'C:\f9532e701a889cdd91b8\unsecapp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1288
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\f9532e701a889cdd91b8\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3316
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\f9532e701a889cdd91b8\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\aff403968f1bfcc42131676322798b50\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4364
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\aff403968f1bfcc42131676322798b50\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\aff403968f1bfcc42131676322798b50\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2936
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Documents\My Pictures\SearchApp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3272
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Users\Public\Documents\My Pictures\SearchApp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5904
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Documents\My Pictures\SearchApp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Application Data\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1340
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\Application Data\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Application Data\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2476
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\ja-JP\cmd.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1596
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Internet Explorer\ja-JP\cmd.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5656
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 7 /tr "'C:\reviewWinrefperfsvc\OfficeClickToRun.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:464
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\reviewWinrefperfsvc\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 7 /tr "'C:\reviewWinrefperfsvc\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1920
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1388
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3520
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\backgroundTaskHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2656
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Media Player\Media Renderer\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4028
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3176
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4176

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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/1928-0-0x00007FFE082F3000-0x00007FFE082F5000-memory.dmp

    Filesize

    8KB

  • memory/1928-1-0x0000000000A60000-0x0000000000BBC000-memory.dmp

    Filesize

    1.4MB

  • memory/5920-36-0x0000000000430000-0x0000000000506000-memory.dmp

    Filesize

    856KB