Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 12:22

General

  • Target

    c63f74bf817cee682824dd46e4ce6f20_NeikiAnalytics.exe

  • Size

    2.7MB

  • MD5

    c63f74bf817cee682824dd46e4ce6f20

  • SHA1

    99e866bcfca39a4273f13795799d1f4d3bd06641

  • SHA256

    8b4a898c3d88a3e0cafea621e85a524fb74786d20ea94ac29c042506e91474da

  • SHA512

    aaeebb5f2ca208d1b89da51e0baa412a1275cb5d809636556dbbd861e0720bd903a6e844c583334a2c267f51885465d32da62a2096bf49c8422d7e8fa87f1ee7

  • SSDEEP

    49152:yH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:yHfE5Ad8Xd295UmGc

Malware Config

Signatures

  • DcRat

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

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Process spawned unexpected child process 12 IoCs

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

  • UAC bypass 3 TTPs 6 IoCs
  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 12 IoCs

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 35 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 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\c63f74bf817cee682824dd46e4ce6f20_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\c63f74bf817cee682824dd46e4ce6f20_NeikiAnalytics.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2432
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Program Files\Windows Defender\es-ES\winlogon.exe
      "C:\Program Files\Windows Defender\es-ES\winlogon.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:2204
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Program Files\VideoLAN\VLC\hrtfs\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2620
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Sidebar\fr-FR\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\fr-FR\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Sidebar\fr-FR\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2972
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1736
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1048
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Defender\es-ES\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2688
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\es-ES\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2608
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Defender\es-ES\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\VideoLAN\VLC\hrtfs\lsm.exe

    Filesize

    2.7MB

    MD5

    c63f74bf817cee682824dd46e4ce6f20

    SHA1

    99e866bcfca39a4273f13795799d1f4d3bd06641

    SHA256

    8b4a898c3d88a3e0cafea621e85a524fb74786d20ea94ac29c042506e91474da

    SHA512

    aaeebb5f2ca208d1b89da51e0baa412a1275cb5d809636556dbbd861e0720bd903a6e844c583334a2c267f51885465d32da62a2096bf49c8422d7e8fa87f1ee7

  • memory/2204-76-0x0000000000110000-0x00000000003D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2228-78-0x0000000002790000-0x0000000002798000-memory.dmp

    Filesize

    32KB

  • memory/2228-75-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2432-16-0x0000000002290000-0x0000000002298000-memory.dmp

    Filesize

    32KB

  • memory/2432-17-0x00000000022A0000-0x00000000022AC000-memory.dmp

    Filesize

    48KB

  • memory/2432-6-0x00000000007A0000-0x00000000007B0000-memory.dmp

    Filesize

    64KB

  • memory/2432-8-0x00000000007D0000-0x00000000007D8000-memory.dmp

    Filesize

    32KB

  • memory/2432-7-0x00000000007B0000-0x00000000007C6000-memory.dmp

    Filesize

    88KB

  • memory/2432-9-0x00000000007E0000-0x00000000007E8000-memory.dmp

    Filesize

    32KB

  • memory/2432-10-0x00000000007F0000-0x0000000000800000-memory.dmp

    Filesize

    64KB

  • memory/2432-11-0x0000000000800000-0x000000000080A000-memory.dmp

    Filesize

    40KB

  • memory/2432-12-0x000000001A920000-0x000000001A976000-memory.dmp

    Filesize

    344KB

  • memory/2432-13-0x0000000000810000-0x0000000000818000-memory.dmp

    Filesize

    32KB

  • memory/2432-14-0x0000000002270000-0x0000000002278000-memory.dmp

    Filesize

    32KB

  • memory/2432-15-0x0000000002280000-0x000000000228C000-memory.dmp

    Filesize

    48KB

  • memory/2432-0-0x000007FEF5F93000-0x000007FEF5F94000-memory.dmp

    Filesize

    4KB

  • memory/2432-5-0x0000000000790000-0x0000000000798000-memory.dmp

    Filesize

    32KB

  • memory/2432-18-0x000000001A970000-0x000000001A97C000-memory.dmp

    Filesize

    48KB

  • memory/2432-19-0x000000001AD50000-0x000000001AD58000-memory.dmp

    Filesize

    32KB

  • memory/2432-22-0x000000001AD80000-0x000000001AD8C000-memory.dmp

    Filesize

    48KB

  • memory/2432-21-0x000000001AD70000-0x000000001AD7C000-memory.dmp

    Filesize

    48KB

  • memory/2432-20-0x000000001AD60000-0x000000001AD68000-memory.dmp

    Filesize

    32KB

  • memory/2432-24-0x000000001AEA0000-0x000000001AEAA000-memory.dmp

    Filesize

    40KB

  • memory/2432-23-0x000000001AD90000-0x000000001AD98000-memory.dmp

    Filesize

    32KB

  • memory/2432-25-0x000000001AEB0000-0x000000001AEBC000-memory.dmp

    Filesize

    48KB

  • memory/2432-26-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

    Filesize

    9.9MB

  • memory/2432-4-0x00000000004D0000-0x00000000004EC000-memory.dmp

    Filesize

    112KB

  • memory/2432-3-0x00000000004C0000-0x00000000004C8000-memory.dmp

    Filesize

    32KB

  • memory/2432-77-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

    Filesize

    9.9MB

  • memory/2432-2-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

    Filesize

    9.9MB

  • memory/2432-1-0x0000000000820000-0x0000000000AE0000-memory.dmp

    Filesize

    2.8MB