Analysis

  • max time kernel
    140s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 13:11

General

  • Target

    e006d21af325e490696eac189d6fe9f0_NeikiAnalytics.exe

  • Size

    828KB

  • MD5

    e006d21af325e490696eac189d6fe9f0

  • SHA1

    cce2f3a4a2cc3b6ab5161201639dcdd853b8f5ca

  • SHA256

    0cc2a158f676462d631f265f149ef0f1fe1f698e0487877d3e7c17a07c52dcd0

  • SHA512

    933df81a32489d40da8840abc0aaa606598d35b289dbca69ba465499745feaa1a7d05c50d4dccd63d498b84d8378e34575f611c1fd18a801ca36c07619d79811

  • SSDEEP

    12288:ooQUC/VdATqagGCW4TXQ3fPND877TIYCHUO+/biBHuZ/TMib+hV:E//PATqoCW4jYlK7k/StY++hV

Score
10/10

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Process spawned unexpected child process 15 IoCs

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

  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 15 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\e006d21af325e490696eac189d6fe9f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\e006d21af325e490696eac189d6fe9f0_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\cxKS4C7dQ8.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2940
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:4004
        • C:\Windows\ShellComponents\SearchApp.exe
          "C:\Windows\ShellComponents\SearchApp.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:780
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3232
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3916
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3924
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Google\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4840
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4820
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Google\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4812
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 14 /tr "'C:\Windows\ShellComponents\SearchApp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3164
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\ShellComponents\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2984
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 11 /tr "'C:\Windows\ShellComponents\SearchApp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:656
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Microsoft\Speech_OneCore\spoolsv.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3984
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft\Speech_OneCore\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3972
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Microsoft\Speech_OneCore\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4744
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1160
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\cxKS4C7dQ8.bat

      Filesize

      205B

      MD5

      feec6a6187d9de329b5ed07baf064c6d

      SHA1

      b49724ac33718f3f362caee97f3efed86e28050c

      SHA256

      0dcf85f0c2c6ce36c71d002a4a33a9765403e0e66795aff48085683a1c8d2b21

      SHA512

      6f174467689066fb265ef10282d21e6e12aef5a6400e719267307038c5831759819700f2d12b089fa95902ee8cf1ddb2dc4f9580b2da2bafa96ccdd3e2b80c0f

    • C:\Windows\bcastdvr\backgroundTaskHost.exe

      Filesize

      828KB

      MD5

      e006d21af325e490696eac189d6fe9f0

      SHA1

      cce2f3a4a2cc3b6ab5161201639dcdd853b8f5ca

      SHA256

      0cc2a158f676462d631f265f149ef0f1fe1f698e0487877d3e7c17a07c52dcd0

      SHA512

      933df81a32489d40da8840abc0aaa606598d35b289dbca69ba465499745feaa1a7d05c50d4dccd63d498b84d8378e34575f611c1fd18a801ca36c07619d79811

    • memory/4272-0-0x00007FF9F4E93000-0x00007FF9F4E95000-memory.dmp

      Filesize

      8KB

    • memory/4272-1-0x0000000000310000-0x00000000003E6000-memory.dmp

      Filesize

      856KB

    • memory/4272-2-0x00007FF9F4E90000-0x00007FF9F5951000-memory.dmp

      Filesize

      10.8MB

    • memory/4272-18-0x00007FF9F4E90000-0x00007FF9F5951000-memory.dmp

      Filesize

      10.8MB