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Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/01/2025, 12:19

General

  • Target

    ElixirInjector.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 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 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\ElixirInjector.exe
    "C:\Users\Admin\AppData\Local\Temp\ElixirInjector.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2560
    • 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:1940
      • 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:2460
        • 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 Windows directory
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1692
          • 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:1048
          • 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:968
          • 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:1348
          • 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:2492
          • 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:1648
          • 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:1832
          • 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:1216
          • 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:344
          • 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:1184
          • 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:1772
          • 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:620
          • 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:1448
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dllhost.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1856
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Performance\WinSAT\services.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:648
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Logs\DISM\spoolsv.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1236
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\sppsvc.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:328
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\AppPatch\it-IT\Idle.exe'
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:1908
          • 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:1008
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\J55piiclPY.bat"
            5⤵
              PID:2200
              • C:\Windows\system32\chcp.com
                chcp 65001
                6⤵
                  PID:2896
                • C:\Windows\system32\PING.EXE
                  ping -n 10 localhost
                  6⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2964
                • C:\Windows\AppPatch\it-IT\Idle.exe
                  "C:\Windows\AppPatch\it-IT\Idle.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:2816
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dllhost.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2648
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1936
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2496
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Windows\Performance\WinSAT\services.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:476
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\Performance\WinSAT\services.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1228
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Windows\Performance\WinSAT\services.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2864
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Windows\Logs\DISM\spoolsv.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:532
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Logs\DISM\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:904
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Windows\Logs\DISM\spoolsv.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2004
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\sppsvc.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1828
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\sppsvc.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1932
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\sppsvc.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2020
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\AppPatch\it-IT\Idle.exe'" /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:1884
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\AppPatch\it-IT\Idle.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2968
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Windows\AppPatch\it-IT\Idle.exe'" /rl HIGHEST /f
        1⤵
        • Process spawned unexpected child process
        • Scheduled Task/Job: Scheduled Task
        PID:2168
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "BluestacksB" /sc MINUTE /mo 14 /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:2156
      • 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:2264
      • C:\Windows\system32\schtasks.exe
        schtasks.exe /create /tn "BluestacksB" /sc MINUTE /mo 5 /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:2608

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\J55piiclPY.bat

        Filesize

        162B

        MD5

        d4a668f7442839f8047ed7a5aa99c9fc

        SHA1

        dfd10b0db09b214774688cbe34cb215e277b8a15

        SHA256

        62a37ccaca30d1faef976a612d4651e5edf14cfaa9f6b892d2a4b1de852f7725

        SHA512

        dc7a6f1b30b16d87f70e3d32422435702368409bb596622857a3b9abab363566a3af06650f5fec0f34fec1a7009c63e776a7777b9d97f24957d038101d4703fa

      • 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

        18a606ebe575c560068006e1b085bb89

        SHA1

        96eed4a6ff71c16995ef008c467bfd7de8e625cf

        SHA256

        edde1bc3defec0f2adefb3b5506e57a65722e80c530eb2b6fc6f02004291afbc

        SHA512

        f6f0a0f7c8b3f3b6be644e107b7618f70a7225ac15776d15016d94ee9e07c9e9702a3ea52e391d88ce8736a089ba0c58bbcfc9da3663054081769bd02b5341d3

      • memory/1008-66-0x0000000002380000-0x0000000002388000-memory.dmp

        Filesize

        32KB

      • memory/1008-52-0x000000001B720000-0x000000001BA02000-memory.dmp

        Filesize

        2.9MB

      • memory/1692-17-0x0000000000550000-0x000000000056C000-memory.dmp

        Filesize

        112KB

      • memory/1692-23-0x0000000000530000-0x000000000053C000-memory.dmp

        Filesize

        48KB

      • memory/1692-25-0x0000000000540000-0x000000000054C000-memory.dmp

        Filesize

        48KB

      • memory/1692-27-0x0000000000B60000-0x0000000000B6E000-memory.dmp

        Filesize

        56KB

      • memory/1692-29-0x0000000000B70000-0x0000000000B78000-memory.dmp

        Filesize

        32KB

      • memory/1692-31-0x0000000000B80000-0x0000000000B8C000-memory.dmp

        Filesize

        48KB

      • memory/1692-21-0x0000000000590000-0x00000000005A2000-memory.dmp

        Filesize

        72KB

      • memory/1692-19-0x0000000000570000-0x0000000000588000-memory.dmp

        Filesize

        96KB

      • memory/1692-15-0x0000000000520000-0x000000000052E000-memory.dmp

        Filesize

        56KB

      • memory/1692-13-0x00000000010B0000-0x00000000012BA000-memory.dmp

        Filesize

        2.0MB

      • memory/2816-141-0x00000000001D0000-0x00000000003DA000-memory.dmp

        Filesize

        2.0MB