Analysis
- max time kernel
56s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
02/06/2026, 08:47
General
- Target 2026-06-02_015e226e9d9b6ddb1a36b16ec3f2e0ee_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample260602-kpy73aav8p
- SHA256 ae92cf100cd8b2243dee12d1b4b7d7e6855aa9ad4f80cc2c9f3040da3ac6d286
Malware Config
Signatures
- Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Modifies WinLogon for persistence 2 TTPs 3 IoCs
- Process spawned unexpected child process 9 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- UAC bypass 3 TTPs 3 IoCs
- Detects executables packed with SmartAssembly 5 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 6 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- SmartAssembly .NET packer 5 IoCs
Detects SmartAssembly .NET packer.
- Drops file in Program Files directory 10 IoCs
- Drops file in Windows directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 15 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 9 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 15 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- System policy modification 1 TTPs 3 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\2026-06-02_015e226e9d9b6ddb1a36b16ec3f2e0ee_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-02_015e226e9d9b6ddb1a36b16ec3f2e0ee_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Windows Mail\spoolsv.exe"C:\Program Files (x86)\Windows Mail\spoolsv.exe"2⤵
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\spoolsv.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\debug\Idle.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\debug\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Windows\debug\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\sihost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Program Files\Uninstall Information\sihost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
-
C:\Program Files\Uninstall Information\sihost.exe"C:\Program Files\Uninstall Information\sihost.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\debug\Idle.exe"C:\Windows\debug\Idle.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files (x86)\Windows Mail\spoolsv.exe"C:\Program Files (x86)\Windows Mail\spoolsv.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\e74600bc-3f5f-4347-b39d-c76b34e09d07.vbs"2⤵
-
C:\Program Files (x86)\Windows Mail\spoolsv.exe"C:\Program Files (x86)\Windows Mail\spoolsv.exe"3⤵
-
-
-
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\d8c0adbd-0a5d-42bb-a73b-874430d74211.vbs"2⤵
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Replay Monitor
Loading Replay Monitor...
Downloads
sihost.exe
powershell.exe.log
spoolsv.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
RCXC1F4.tmp
__PSScriptPolicyTest_bzautv42.gxy.ps1
d8c0adbd-0a5d-42bb-a73b-874430d74211.vbs
e74600bc-3f5f-4347-b39d-c76b34e09d07.vbs
memory/548-25284-0x0000000070940000-0x000000007098C000-memory.dmp
memory/812-26330-0x0000000070940000-0x000000007098C000-memory.dmp
memory/1264-26323-0x0000000070940000-0x000000007098C000-memory.dmp
memory/1344-26302-0x0000000070940000-0x000000007098C000-memory.dmp
memory/1484-6930-0x0000000005630000-0x0000000005C5A000-memory.dmp
memory/1484-6596-0x0000000002E40000-0x0000000002E76000-memory.dmp
memory/1484-25162-0x0000000070940000-0x000000007098C000-memory.dmp
memory/1704-26311-0x0000000007F00000-0x0000000007F0E000-memory.dmp
memory/1704-23450-0x0000000007AC0000-0x0000000007AF4000-memory.dmp
memory/1704-24814-0x0000000007F60000-0x0000000007FF6000-memory.dmp
memory/1704-24541-0x0000000007D30000-0x0000000007D3A000-memory.dmp
memory/1704-24435-0x0000000008300000-0x000000000897A000-memory.dmp
memory/1704-24436-0x0000000007CC0000-0x0000000007CDA000-memory.dmp
memory/1704-23607-0x0000000007A80000-0x0000000007A9E000-memory.dmp
memory/1704-23451-0x0000000070940000-0x000000007098C000-memory.dmp
memory/1704-23608-0x0000000007B00000-0x0000000007BA4000-memory.dmp
memory/1704-25161-0x0000000007ED0000-0x0000000007EE1000-memory.dmp
memory/1704-13654-0x0000000006900000-0x000000000694C000-memory.dmp
memory/1704-13176-0x00000000067D0000-0x00000000067EE000-memory.dmp
memory/1704-26337-0x0000000008100000-0x0000000008108000-memory.dmp
memory/1704-9746-0x0000000006160000-0x0000000006182000-memory.dmp
memory/1704-9923-0x00000000062E0000-0x0000000006637000-memory.dmp
memory/1704-9747-0x0000000006200000-0x0000000006266000-memory.dmp
memory/1704-26320-0x0000000007F10000-0x0000000007F25000-memory.dmp
memory/1704-26322-0x0000000008120000-0x000000000813A000-memory.dmp
memory/2340-26313-0x0000000070940000-0x000000007098C000-memory.dmp
memory/2960-82-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-5250-0x0000000007300000-0x0000000007366000-memory.dmp
memory/2960-60-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-56-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-54-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-52-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-50-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-48-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-46-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-44-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-42-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-36-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-34-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-32-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-30-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-26-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-24-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-28-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-22-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-18-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-16-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-14-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-10-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-8-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-7-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-20-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-1959-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-2258-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-2507-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-5228-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-5229-0x0000000002AB0000-0x0000000002ACC000-memory.dmp
memory/2960-5230-0x0000000002AE0000-0x0000000002B30000-memory.dmp
memory/2960-5231-0x0000000002B40000-0x0000000002B48000-memory.dmp
memory/2960-5232-0x0000000006430000-0x0000000006440000-memory.dmp
memory/2960-5233-0x0000000006490000-0x00000000064A6000-memory.dmp
memory/2960-5235-0x00000000064B0000-0x00000000064C0000-memory.dmp
memory/2960-5236-0x00000000064F0000-0x00000000064FA000-memory.dmp
memory/2960-5234-0x0000000006470000-0x0000000006478000-memory.dmp
memory/2960-5237-0x0000000006830000-0x000000000683C000-memory.dmp
memory/2960-5238-0x0000000006840000-0x0000000006852000-memory.dmp
memory/2960-5239-0x0000000006870000-0x0000000006D9C000-memory.dmp
memory/2960-5240-0x0000000006E00000-0x0000000006E0C000-memory.dmp
memory/2960-5241-0x0000000006E10000-0x0000000006E1C000-memory.dmp
memory/2960-5242-0x0000000006E40000-0x0000000006E4A000-memory.dmp
memory/2960-5245-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-5244-0x0000000007210000-0x000000000721C000-memory.dmp
memory/2960-5243-0x00000000071E0000-0x00000000071E8000-memory.dmp
memory/2960-5246-0x0000000007220000-0x00000000072B2000-memory.dmp
memory/2960-5247-0x00000000072E0000-0x00000000072EC000-memory.dmp
memory/2960-62-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-64-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-66-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-68-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-70-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-7535-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-8361-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-72-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-74-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-76-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-80-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-0-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-84-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-86-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-88-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-90-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-92-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-94-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-96-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-100-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-102-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-104-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-106-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-108-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-1-0x0000000005440000-0x00000000056BC000-memory.dmp
memory/2960-2-0x0000000002D10000-0x0000000002D20000-memory.dmp
memory/2960-3-0x00000000056C0000-0x0000000005C66000-memory.dmp
memory/2960-4-0x00000000051C0000-0x000000000543A000-memory.dmp
memory/2960-110-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-112-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-114-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-118-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-120-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-122-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-124-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-126-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-128-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-130-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-116-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-98-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-78-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-58-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-40-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-38-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-12-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2960-5-0x00000000051C0000-0x0000000005434000-memory.dmp
memory/2972-25291-0x0000000070940000-0x000000007098C000-memory.dmp
memory/3276-26293-0x0000000070940000-0x000000007098C000-memory.dmp
memory/3532-26278-0x0000000070940000-0x000000007098C000-memory.dmp
memory/4372-26285-0x0000000070940000-0x000000007098C000-memory.dmp