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
07/10/2026, 00:42
Behavioral task
behavioral1
Sample
2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe
Resource
win10v2004-20260911-en
General
- Target 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe
- Size 87KB
- Sample261007-a2lgmah13s
- SHA256 a461dbf7e4122cbf79290bcfb69bacc4d3ed46c267551ee61d6a3a7c129e5c32
- MD5 4fb81dfc63e3860deb0f7372fa43b4dc
- SHA1 5105693cfec99e189c7ef8146d7e002ff168d94a
- SHA512 58f938966558ead83218c3e208cb46a4eb7a7d747100cadb0b53e849b4ebebe0d816f6a7fc97cea7cb44d86b42af77a4f33027626c5523606863d65c6da790d3
- SSDEEP 1536:UhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ES27NTh9E+JP19qkPDNe:yhzYTGWVvJ8f2v1TbPzuMsIFSmNThy+a
- TLSH T19593D713FA4AD0B2E42591F146426F31CEBCBC3636492173D38FCA41AD79892D456EBE
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
Host
-
vremea.me:443
-
www.vremea.me:443
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
vremea.me.exe
-
copy_folder
remcos
-
delete_file
true
-
hide_file
true
-
hide_keylog_file
false
-
install_flag
true
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_clubskjlibmmfta
-
screenshot_crypt
false
-
screenshot_flag
true
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Modifies WinLogon for persistence 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" vremea.me.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" vremea.me.exe - detects Windows exceutables potentially bypassing UAC using eventvwr.exe 1 IoCs
resource yara_rule behavioral2/files/0x000e00000001c47b-8.dat INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer - Adds policy Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run vremea.me.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" vremea.me.exe - Executes dropped EXE 2 IoCs
pid Process 2452 vremea.me.exe 4264 vremea.me.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" vremea.me.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\vremea.me.exe\"" vremea.me.exe - Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ vremea.me.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 1424 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 1 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 vremea.me.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vremea.me.exe - System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3008 PING.EXE - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3008 PING.EXE - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2100 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2100 AUDIODG.EXE - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2788 wrote to memory of 1424 2788 2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe 89 PID 1424 wrote to memory of 3008 1424 cmd.exe 93 PID 2452 wrote to memory of 4668 2452 vremea.me.exe 95 PID 1424 wrote to memory of 4264 1424 cmd.exe 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Windows\SysWOW64\PING.EXEPING 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3008
-
-
C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"3⤵
- Executes dropped EXE
PID:4264
-
-
-
C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Modifies WinLogon
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:4668
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004B81⤵
- Suspicious use of AdjustPrivilegeToken
PID:2100
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\install.bat
- Size 219B
- SHA256 e6fce2dd6575138c6dc257cccd8df1934a2151117e8f3b188abcfa6bfc9e67e7
- MD5 44e9848ce3a4e6842729f640df05d770
- SHA1 f4e7b37e3a9fa4433f9dc0d7e8cb40f5c355efb2
- SHA512 5a35634affa250721092da3a0e29becb4b4b38acfcd99a42062c028bdc7d912b2d0d822e9cec6b69bdbc171984e3b4820734facba99e7e352460db1aff8901fd
- TLSH T16AD023924B91C5FE240561770EF97D0DD07165D4361A37854717CDCC37CE824F4C1A09
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
- Size 87KB
- SHA256 a461dbf7e4122cbf79290bcfb69bacc4d3ed46c267551ee61d6a3a7c129e5c32
- MD5 4fb81dfc63e3860deb0f7372fa43b4dc
- SHA1 5105693cfec99e189c7ef8146d7e002ff168d94a
- SHA512 58f938966558ead83218c3e208cb46a4eb7a7d747100cadb0b53e849b4ebebe0d816f6a7fc97cea7cb44d86b42af77a4f33027626c5523606863d65c6da790d3
- SSDEEP 1536:UhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ES27NTh9E+JP19qkPDNe:yhzYTGWVvJ8f2v1TbPzuMsIFSmNThy+a
- TLSH T19593D713FA4AD0B2E42591F146426F31CEBCBC3636492173D38FCA41AD79892D456EBE
- MD5 SHA1 SHA512 SSDEEP TLSH