Analysis
- max time kernel
86s - max time network
123s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
06/07/2026, 22:43
General
- Target 2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 2.0MB
- Sample260706-2nhblac121
- SHA256 c16ed77dbd90fe22f3477b215db6b7e1f23efae1e124b67747ec27adc19caae1
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 2 IoCs
- Process spawned unexpected child process 6 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 7 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Drops file in Drivers directory 1 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- SmartAssembly .NET packer 7 IoCs
Detects SmartAssembly .NET packer.
- Drops file in Program Files 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 6 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 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 4 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
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C:\Users\Admin\AppData\Local\Temp\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Drops file in Drivers directory
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\2HVdYORdue.bat"2⤵
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C:\Windows\SysWOW64\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵
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C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:24⤵
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C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"3⤵
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 10 /tr "'C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 8 /tr "'C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee" /sc ONLOGON /tr "'C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee2" /sc MINUTE /mo 6 /tr "'C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
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C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Program Files\dotnet\host\fxr\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\f8e5e0ef-8484-410e-98ba-98955b00860b.vbs"2⤵
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C:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exeC:\Windows.old\2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe3⤵
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\58bfd8ec-fade-468e-acf9-045610042c2e.vbs"2⤵
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C:\Windows\system32\sihost.exesihost.exe1⤵
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵
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C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca1⤵
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
2026-07-06_0cc86045589b250ec42326208648a476_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
prep_Activatable Class_Hermes_perf.cache
2HVdYORdue.bat
58bfd8ec-fade-468e-acf9-045610042c2e.vbs
__PSScriptPolicyTest_zqzcafl2.ttz.ps1
f8e5e0ef-8484-410e-98ba-98955b00860b.vbs
memory/992-24-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-5231-0x0000000002AF0000-0x0000000002B40000-memory.dmp
memory/992-6-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-5-0x0000000005380000-0x0000000005636000-memory.dmp
memory/992-19-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-34-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-77-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-131-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-132-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-128-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-126-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-124-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-122-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-120-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-118-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-116-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-114-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-112-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-110-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-108-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-107-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-104-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-102-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-100-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-98-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-96-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-94-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-92-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-90-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-88-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-86-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-84-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-82-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-80-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-74-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-72-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-70-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-68-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-66-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-64-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-62-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-58-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-56-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-15-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-52-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-50-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-48-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-47-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-42-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-78-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-61-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-44-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-41-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-38-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-32-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-31-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-28-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-26-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-3-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-22-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-4-0x0000000005910000-0x0000000005ECA000-memory.dmp
memory/992-20-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-54-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-10-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-8-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-7-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-37-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-12-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-2070-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-2064-0x0000000074C72000-0x0000000074C73000-memory.dmp
memory/992-5229-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-5230-0x0000000002AC0000-0x0000000002ADC000-memory.dmp
memory/992-16-0x0000000005380000-0x0000000005631000-memory.dmp
memory/992-5232-0x0000000002B50000-0x0000000002B58000-memory.dmp
memory/992-5233-0x0000000006670000-0x0000000006680000-memory.dmp
memory/992-5234-0x00000000066B0000-0x00000000066C6000-memory.dmp
memory/992-5235-0x0000000006AE0000-0x0000000006AE8000-memory.dmp
memory/992-5236-0x0000000006AF0000-0x0000000006B02000-memory.dmp
memory/992-5237-0x0000000006B10000-0x0000000006B18000-memory.dmp
memory/992-5238-0x0000000006C70000-0x0000000006C80000-memory.dmp
memory/992-5239-0x0000000006CA0000-0x0000000006D32000-memory.dmp
memory/992-5240-0x0000000006C90000-0x0000000006C9A000-memory.dmp
memory/992-5241-0x0000000006D60000-0x0000000006D68000-memory.dmp
memory/992-5242-0x0000000006D70000-0x0000000006D7C000-memory.dmp
memory/992-5243-0x0000000006D80000-0x0000000006D88000-memory.dmp
memory/992-5245-0x0000000006D90000-0x0000000006DA2000-memory.dmp
memory/992-5246-0x0000000007F60000-0x000000000848C000-memory.dmp
memory/992-5247-0x00000000084E0000-0x00000000084EC000-memory.dmp
memory/992-5248-0x0000000008500000-0x000000000850C000-memory.dmp
memory/992-5249-0x0000000008510000-0x000000000851C000-memory.dmp
memory/992-5250-0x0000000008530000-0x000000000853C000-memory.dmp
memory/992-5251-0x0000000008540000-0x0000000008548000-memory.dmp
memory/992-5252-0x00000000088E0000-0x00000000088EA000-memory.dmp
memory/992-5253-0x00000000088F0000-0x00000000088FE000-memory.dmp
memory/992-5256-0x0000000008A80000-0x0000000008A8A000-memory.dmp
memory/992-5255-0x0000000008930000-0x0000000008938000-memory.dmp
memory/992-5257-0x0000000008940000-0x000000000894C000-memory.dmp
memory/992-5254-0x0000000008920000-0x0000000008928000-memory.dmp
memory/992-5258-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-5260-0x0000000008980000-0x00000000089E6000-memory.dmp
memory/992-7635-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-8550-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-15095-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/992-0-0x0000000074C72000-0x0000000074C73000-memory.dmp
memory/992-1-0x0000000005650000-0x0000000005908000-memory.dmp
memory/992-2-0x0000000074C60000-0x000000007541C000-memory.dmp
memory/2580-15766-0x0000000007990000-0x00000000079AA000-memory.dmp
memory/2580-15761-0x0000000006BD0000-0x0000000006BF0000-memory.dmp
memory/2580-15754-0x0000000071150000-0x000000007119C000-memory.dmp
memory/3284-15753-0x0000000006B50000-0x0000000006B86000-memory.dmp
memory/3284-15755-0x0000000071150000-0x000000007119C000-memory.dmp
memory/3284-15737-0x0000000006560000-0x000000000657E000-memory.dmp
memory/5844-12357-0x00000000058C0000-0x0000000005926000-memory.dmp
memory/5844-8701-0x0000000005270000-0x00000000058BA000-memory.dmp
memory/5844-15738-0x0000000005F00000-0x0000000005F4C000-memory.dmp
memory/5844-15756-0x0000000071150000-0x000000007119C000-memory.dmp
memory/5844-13981-0x00000000059A0000-0x0000000005CFB000-memory.dmp
memory/5844-15764-0x0000000007060000-0x0000000007103000-memory.dmp
memory/5844-15765-0x00000000077E0000-0x0000000007E5C000-memory.dmp
memory/5844-12089-0x00000000050C0000-0x00000000050E2000-memory.dmp
memory/5844-15767-0x0000000007210000-0x000000000721A000-memory.dmp
memory/5844-15768-0x0000000007410000-0x00000000074A6000-memory.dmp
memory/5844-8174-0x00000000028C0000-0x00000000028F6000-memory.dmp