Analysis
- max time kernel
67s - max time network
117s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/10/2026, 04:33
Static task
static1
Behavioral task
behavioral1
Sample
2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 2.0MB
- Sample261019-e6lqeacy5n
- SHA256 bce57133523827794df8d2a868b0e6656caa67e507e9261e8c632050cc022f68
- MD5 581db4b0090fece537685d88dc7e8989
- SHA1 8b2aa3bff071740e52342ec3159218fd0922ba92
- SHA512 26f9b2f241acec3c1f239f97b4307b51f5c0739040a055cf72038a463736133bf439e717192338cf493c343cc55a6fc659df03d44dbc32ac20527b4472396eb2
- SSDEEP 49152:ikQTApYS/v6h3+1uhZcT2NnvOyLXXjFpNXCym/hXmL9W6EppQpD:iap5CbhZcT2lvnDFpFW/twU7+D
- TLSH T1D9A5337470D1C1B2E5A6103584CACB32A636B062877EC1CB7ADD76F56F603F1623A6C6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: DcRat 19 IoCs
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
description ioc pid Process 240 schtasks.exe 4172 schtasks.exe 3988 schtasks.exe 6032 schtasks.exe 4928 schtasks.exe 5452 schtasks.exe 4656 schtasks.exe 940 schtasks.exe 5248 schtasks.exe 3928 schtasks.exe 5784 schtasks.exe File created C:\Windows\debug\6203df4a6bafc7 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 904 schtasks.exe 4088 schtasks.exe 5160 schtasks.exe 460 schtasks.exe 4152 schtasks.exe 2696 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\debug\\lsass.exe\"" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Process spawned unexpected child process 17 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4152 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4088 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 460 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4656 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3928 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4172 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 240 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3988 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2696 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5784 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5160 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 904 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5248 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5452 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 940 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 6032 3000 schtasks.exe 90 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4928 3000 schtasks.exe 90 - UAC bypass 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Detects executables packed with SmartAssembly 7 IoCs
resource yara_rule behavioral2/memory/2540-5233-0x00000000064E0000-0x00000000064F0000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5240-0x0000000006C50000-0x0000000006C5A000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5247-0x0000000007280000-0x000000000728C000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5248-0x00000000072A0000-0x00000000072AC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5250-0x00000000072D0000-0x00000000072DC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5252-0x00000000072E0000-0x00000000072EA000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2540-5257-0x0000000007680000-0x000000000768A000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\debug\\lsass.exe\"" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\debug\\lsass.exe\"" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Checks whether UAC is enabled 1 TTPs 2 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - SmartAssembly .NET packer 7 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/2540-5233-0x00000000064E0000-0x00000000064F0000-memory.dmp SmartAssembly behavioral2/memory/2540-5240-0x0000000006C50000-0x0000000006C5A000-memory.dmp SmartAssembly behavioral2/memory/2540-5247-0x0000000007280000-0x000000000728C000-memory.dmp SmartAssembly behavioral2/memory/2540-5248-0x00000000072A0000-0x00000000072AC000-memory.dmp SmartAssembly behavioral2/memory/2540-5250-0x00000000072D0000-0x00000000072DC000-memory.dmp SmartAssembly behavioral2/memory/2540-5252-0x00000000072E0000-0x00000000072EA000-memory.dmp SmartAssembly behavioral2/memory/2540-5257-0x0000000007680000-0x000000000768A000-memory.dmp SmartAssembly - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\debug\lsass.exe 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File created C:\Windows\debug\6203df4a6bafc7 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 17 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4928 schtasks.exe 5248 schtasks.exe 460 schtasks.exe 5784 schtasks.exe 940 schtasks.exe 3928 schtasks.exe 2696 schtasks.exe 5160 schtasks.exe 6032 schtasks.exe 904 schtasks.exe 4152 schtasks.exe 4088 schtasks.exe 4656 schtasks.exe 4172 schtasks.exe 240 schtasks.exe 3988 schtasks.exe 5452 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2540 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - 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\2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-17_581db4b0090fece537685d88dc7e8989_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Family: DcRat
- 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 Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:2540
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Windows\debug\lsass.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4152
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\debug\lsass.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4088
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Windows\debug\lsass.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:460
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\ShellHost.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4656
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\ShellHost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3928
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\ShellHost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4172
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:240
-
C:\Windows\debug\lsass.exe"C:\Windows\debug\lsass.exe"1⤵PID:1612
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3988
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2696
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5784
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5160
-
C:\Recovery\WindowsRE\ShellHost.exe"C:\Recovery\WindowsRE\ShellHost.exe"1⤵PID:5388
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:904
-
C:\Windows\Downloaded Program Files\sihost.exe"C:\Windows\Downloaded Program Files\sihost.exe"1⤵PID:5516
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Windows.old\dllhost.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5248
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows.old\dllhost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5452
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Windows.old\dllhost.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:940
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6032
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4928
Network
MITRE ATT&CK Enterprise v16
Persistence
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
- Path C:\Windows\debug\lsass.exe
- Size 2.0MB
- SHA256 bce57133523827794df8d2a868b0e6656caa67e507e9261e8c632050cc022f68
- MD5 581db4b0090fece537685d88dc7e8989
- SHA1 8b2aa3bff071740e52342ec3159218fd0922ba92
- SHA512 26f9b2f241acec3c1f239f97b4307b51f5c0739040a055cf72038a463736133bf439e717192338cf493c343cc55a6fc659df03d44dbc32ac20527b4472396eb2
- SSDEEP 49152:ikQTApYS/v6h3+1uhZcT2NnvOyLXXjFpNXCym/hXmL9W6EppQpD:iap5CbhZcT2lvnDFpFW/twU7+D
- TLSH T1D9A5337470D1C1B2E5A6103584CACB32A636B062877EC1CB7ADD76F56F603F1623A6C6
- MD5 SHA1 SHA512 SSDEEP TLSH