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Analysis

  • max time kernel
    119s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2025, 02:41

General

  • Target

    7014e9a725d8449f588d906d671771ccbf2c253d603205818a5af782a02e320c.exe

  • Size

    1.9MB

  • MD5

    04095b54d4245dca4aeb05310a2ddc8a

  • SHA1

    4d5bc54fade2e8af35d36ae0cab2c0f835cb7334

  • SHA256

    7014e9a725d8449f588d906d671771ccbf2c253d603205818a5af782a02e320c

  • SHA512

    f666c5f973a67aeb3d56b2055884267f2fd892634c2267dbd0e29965285dc05d876658fa944100bafe572b66061a8a7caefd3b1e650ee9302ae229255a8a854f

  • SSDEEP

    49152:OB8cSz7LU1B6RIML97yovHGfx8UINTPWUznpd:QEvKB6WMBvqnIJx

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 18 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 18 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 64 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\7014e9a725d8449f588d906d671771ccbf2c253d603205818a5af782a02e320c.exe
    "C:\Users\Admin\AppData\Local\Temp\7014e9a725d8449f588d906d671771ccbf2c253d603205818a5af782a02e320c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\QUJ9Bg46i5eTnOQKEnteAp7rp1YY9NQfmUbhx6iPrrb4U6kE.vbe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:780
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\6iq5IFzZA9EyHTwKHM8vXk9USXtHecApoG.bat" "
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\Bluestacks.exe
          "C:\Users\Admin\AppData\Local\Temp\WinRAR/data/bin/unistall/Bluestacks.exe"
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1636
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1416
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1688
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/MSOCache/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:848
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1196
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:108
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1732
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:448
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1112
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1596
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1192
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2996
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Common Files\System.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2412
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\dwm.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2292
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\L2Schemas\taskhost.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2420
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Temp\Crashpad\attachments\explorer.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1712
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1308
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\Bluestacks.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1520
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\0rWdBYlBWf.bat"
            5⤵
              PID:972
              • C:\Windows\system32\chcp.com
                chcp 65001
                6⤵
                  PID:2612
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1888
                • C:\Windows\Temp\Crashpad\attachments\explorer.exe
                  "C:\Windows\Temp\Crashpad\attachments\explorer.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2184
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\System.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2452
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:300
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Common Files\System.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2376
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\dwm.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:560
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2544
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f4ba082-69f6-11ef-a143-62cb582c238c\dwm.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2884
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\Windows\L2Schemas\taskhost.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2308
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\L2Schemas\taskhost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2880
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Windows\L2Schemas\taskhost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2184
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Windows\Temp\Crashpad\attachments\explorer.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:3064
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\Temp\Crashpad\attachments\explorer.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2408
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Windows\Temp\Crashpad\attachments\explorer.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1748
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1576
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2784
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\sppsvc.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2984
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "BluestacksB" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\Bluestacks.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2172
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "Bluestacks" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\Bluestacks.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2320
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "BluestacksB" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\Bluestacks.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2064

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\0rWdBYlBWf.bat

        Filesize

        177B

        MD5

        0405c69bf802735dc50c9093e93f146b

        SHA1

        2fe791e27b41595cbc665cb6df0b8f7953b173b5

        SHA256

        7487bffe60397a81b9d0996dfa67bebcf7f43eb902a8dc8b01c03d8620131147

        SHA512

        44b96d5de9e2cf92fa12c0ecb3eded15bea7f50147299f199db5add6a7080f74032203ac55ac226df06b67ab32dc727e2f2e5e5c932573e1344d5bb3d398d793

      • C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\6iq5IFzZA9EyHTwKHM8vXk9USXtHecApoG.bat

        Filesize

        95B

        MD5

        aa898d60b0bc1941439402668a8a16b3

        SHA1

        9574950945fc837fe9ff07ee3ca6c32185842e0e

        SHA256

        046bfe53d5f3e0658d97eeada7719219544da9cf16508a1e85b0bfe7831388a8

        SHA512

        5964f3294d9a7e8ccbe4d8c2c5fd66edc5ad28bd4b5c9664c67ff74f85852ae7d3fa45f42862821f91e94f4ce03c248a858b0e8a4026ef66cdce72c96159a2ff

      • C:\Users\Admin\AppData\Local\Temp\WinRAR\data\bin\unistall\QUJ9Bg46i5eTnOQKEnteAp7rp1YY9NQfmUbhx6iPrrb4U6kE.vbe

        Filesize

        240B

        MD5

        86d5fa5e3228e9586230609c34cdeec7

        SHA1

        1e27f4cf478a2bb3a99491476e74c7968b811eed

        SHA256

        a68460a1a574480ffa92d8d4fbe8636d5a32cc3da84936bcb3b47d829a7e588d

        SHA512

        d4b15b180ab9887f0547193cd42f7273c82bf53f228df74f64424ed684342bc7717669f909a7a156cc0e37a6415a12fddeb7d27c9cc12058d93ce64e2345bc79

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

        Filesize

        7KB

        MD5

        3911bace22b677f0d244cce3b82ce6a5

        SHA1

        691a319ed769e9941487c688a173f2f72b18d87e

        SHA256

        790fb894e53739f17e0eb620e609b4857a98e3c6c595166e8f3367e3757dc6c1

        SHA512

        b25a936d0c01108f164d7a51d9c5362567a47e345872c63c75b6f0f6dfc6a5be290f8956e95acae94b87063c3c36f49687eecad92a254de54f7eeb6469afe2e3

      • memory/1112-79-0x000000001B640000-0x000000001B922000-memory.dmp

        Filesize

        2.9MB

      • memory/1192-80-0x0000000001E50000-0x0000000001E58000-memory.dmp

        Filesize

        32KB

      • memory/2184-138-0x0000000001280000-0x000000000148A000-memory.dmp

        Filesize

        2.0MB

      • memory/2604-17-0x00000000002B0000-0x00000000002CC000-memory.dmp

        Filesize

        112KB

      • memory/2604-25-0x00000000002A0000-0x00000000002AC000-memory.dmp

        Filesize

        48KB

      • memory/2604-27-0x0000000000480000-0x000000000048E000-memory.dmp

        Filesize

        56KB

      • memory/2604-29-0x0000000000630000-0x0000000000638000-memory.dmp

        Filesize

        32KB

      • memory/2604-31-0x0000000000640000-0x000000000064C000-memory.dmp

        Filesize

        48KB

      • memory/2604-23-0x0000000000290000-0x000000000029C000-memory.dmp

        Filesize

        48KB

      • memory/2604-21-0x0000000000610000-0x0000000000622000-memory.dmp

        Filesize

        72KB

      • memory/2604-19-0x0000000000460000-0x0000000000478000-memory.dmp

        Filesize

        96KB

      • memory/2604-15-0x0000000000280000-0x000000000028E000-memory.dmp

        Filesize

        56KB

      • memory/2604-13-0x0000000001300000-0x000000000150A000-memory.dmp

        Filesize

        2.0MB