Analysis
- max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/10/2026, 15:22
Static task
static1
Behavioral task
behavioral1
Sample
2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 1.7MB
- Sample261001-sr38ssvbjd
- SHA256 657fa3fc32435e321e515514aa5b197f07db9135bb680be3658c3d2e879631b8
- MD5 451460287fbb20934914b8e928e613e4
- SHA1 384846301e1dd054bb88964953d0e485db8ad239
- SHA512 ceac4d167c52778059efd94855ccaf593cd3393655e327456f3d8bebf4e30e2200d47f40ca4a903b663653610e31e1fe5618907ac329ee0f4962bf7a71aaf734
- SSDEEP 49152:ckQzAwIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scu:c6ouRD9JdOR4m+lmY/4rx8cu
- TLSH T1158523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB665C9
- MD5 SHA1 SHA512 SSDEEP TLSH
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 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows.old\\fontdrvhost.exe\"" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Process spawned unexpected child process 12 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 4336 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2452 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4640 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3992 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4708 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 1320 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3356 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3232 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 4232 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5368 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3272 6028 schtasks.exe 89 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 5620 6028 schtasks.exe 89 - UAC bypass 3 TTPs 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Detects executables packed with SmartAssembly 5 IoCs
resource yara_rule behavioral2/memory/2688-5232-0x00000000065F0000-0x0000000006600000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2688-5236-0x00000000066C0000-0x00000000066CA000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2688-5241-0x0000000006FD0000-0x0000000006FDC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2688-5244-0x00000000073B0000-0x00000000073BC000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly behavioral2/memory/2688-5242-0x0000000007390000-0x000000000739A000-memory.dmp INDICATOR_EXE_Packed_SmartAssembly - Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 6760 powershell.exe 6724 powershell.exe 5744 powershell.exe 2616 powershell.exe 6292 powershell.exe 6868 powershell.exe 6844 powershell.exe 4668 powershell.exe 6796 powershell.exe 6996 powershell.exe 6964 powershell.exe 6920 powershell.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\Software\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows.old\\fontdrvhost.exe\"" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows.old\\fontdrvhost.exe\"" 2026-09-30_451460287fbb20934914b8e928e613e4_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 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - SmartAssembly .NET packer 5 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/2688-5232-0x00000000065F0000-0x0000000006600000-memory.dmp SmartAssembly behavioral2/memory/2688-5236-0x00000000066C0000-0x00000000066CA000-memory.dmp SmartAssembly behavioral2/memory/2688-5241-0x0000000006FD0000-0x0000000006FDC000-memory.dmp SmartAssembly behavioral2/memory/2688-5244-0x00000000073B0000-0x00000000073BC000-memory.dmp SmartAssembly behavioral2/memory/2688-5242-0x0000000007390000-0x000000000739A000-memory.dmp SmartAssembly - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\886983d96e3d3e 2026-09-30_451460287fbb20934914b8e928e613e4_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 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 2026-09-30_451460287fbb20934914b8e928e613e4_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 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 12 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4708 schtasks.exe 1320 schtasks.exe 3356 schtasks.exe 4232 schtasks.exe 3272 schtasks.exe 2452 schtasks.exe 3992 schtasks.exe 3232 schtasks.exe 5368 schtasks.exe 5620 schtasks.exe 4336 schtasks.exe 4640 schtasks.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 2688 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2688 2026-09-30_451460287fbb20934914b8e928e613e4_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\ConsentPromptBehaviorAdmin = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 2026-09-30_451460287fbb20934914b8e928e613e4_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
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C:\Users\Admin\AppData\Local\Temp\2026-09-30_451460287fbb20934914b8e928e613e4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_451460287fbb20934914b8e928e613e4_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
- 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:2688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:2616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:5744
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6724
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6760
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:4668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6844
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6868
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6920
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6996
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows.old/'2⤵
- Command and Scripting Interpreter: PowerShell
PID:6292
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C:\Windows.old\fontdrvhost.exe"C:\Windows.old\fontdrvhost.exe"2⤵PID:1172
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows.old\fontdrvhost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4336
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows.old\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2452
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Windows.old\fontdrvhost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4640
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3992
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4708
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1320
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Users\Default\StartMenuExperienceHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3356
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Users\Default\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3232
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Users\Default\StartMenuExperienceHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4232
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C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe"C:\Program Files\dotnet\shared\Microsoft.NETCore.App\csrss.exe"1⤵PID:2076
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C:\Windows.old\fontdrvhost.exe"C:\Windows.old\fontdrvhost.exe"1⤵PID:1228
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\ShellHost.exe'" /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5368
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHost" /sc ONLOGON /tr "'C:\Windows.old\ShellHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3272
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "ShellHostS" /sc MINUTE /mo 14 /tr "'C:\Windows.old\ShellHost.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5620
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C:\Windows.old\ShellHost.exe"C:\Windows.old\ShellHost.exe"1⤵PID:2996
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
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ktdcc54.kxk.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows.old\fontdrvhost.exe
- Size 1.7MB
- SHA256 657fa3fc32435e321e515514aa5b197f07db9135bb680be3658c3d2e879631b8
- MD5 451460287fbb20934914b8e928e613e4
- SHA1 384846301e1dd054bb88964953d0e485db8ad239
- SHA512 ceac4d167c52778059efd94855ccaf593cd3393655e327456f3d8bebf4e30e2200d47f40ca4a903b663653610e31e1fe5618907ac329ee0f4962bf7a71aaf734
- SSDEEP 49152:ckQzAwIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scu:c6ouRD9JdOR4m+lmY/4rx8cu
- TLSH T1158523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB665C9
- MD5 SHA1 SHA512 SSDEEP TLSH