Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/10/2026, 00:23
Behavioral task
behavioral1
Sample
2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe
- Size 111KB
- Sample261008-apy7ysgt9w
- SHA256 48a1ba637b4a85273db18a2a8d68236aebbd5008e06f117b73f7a29985417dea
- MD5 f8aace58d1168f68fc274f91a25a18d6
- SHA1 59dc5ab720ffa464db2451696e6862aa35dc6022
- SHA512 1faf3c40df247321d0fdfb38aa01277757896db36a015a6d3943cf5c5dc5c6cbbe780ab9b7012845a62d4da673acf7e617bffced79573f14342fe63700f2aa0c
- SSDEEP 3072:JuHq1twP/RbZwNDWB5noHMQ++PumNSFB44OzqhCcr:JuHqwP/FZwl6osQ++PumNSFBROzqhC
- TLSH T1EFB3E867E20B80A3D87302B056507B72EEBCBC321A5D5157E7E4D8811DF588E9066AFF
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
2.4.3 Pro
-
TINo
-
185.140.53.140:2404
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
true
-
hide_file
false
-
hide_keylog_file
true
-
install_flag
true
-
install_path
%AppData%
-
keylog_crypt
true
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-5S9O07
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\WINDOWS\\system32\\userinit.exe, \"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_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\\remcos.exe\"" remcos.exe - detects Windows exceutables potentially bypassing UAC using eventvwr.exe 1 IoCs
resource yara_rule behavioral2/files/0x0004000000016b4d-7.dat INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer - Deletes itself 1 TTPs 1 IoCs
pid Process 3536 WScript.exe - Executes dropped EXE 2 IoCs
pid Process 1076 remcos.exe 4192 remcos.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe Set value (str) \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\remcos = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" remcos.exe - Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ remcos.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
pid Process 3536 WScript.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 3944 cmd.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 remcos.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain remcos.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 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1404337215-1550464601-2805570857-1000_Classes\Local Settings 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1076 remcos.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2692 wrote to memory of 3536 2692 2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe 89 PID 1076 wrote to memory of 1100 1076 remcos.exe 92 PID 3536 wrote to memory of 3944 3536 WScript.exe 93 PID 3944 wrote to memory of 4192 3944 cmd.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-07_f8aace58d1168f68fc274f91a25a18d6_elex_parallax_remcos_remocs_wannacry.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"2⤵
- Deletes itself
- Executes a VBScript file via the Windows Script Host.
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Users\Admin\AppData\Roaming\remcos\remcos.exeC:\Users\Admin\AppData\Roaming\remcos\remcos.exe4⤵
- Executes dropped EXE
PID:4192
-
-
-
-
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"1⤵
- Modifies WinLogon for persistence
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:1100
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\install.vbs
- Size 690B
- SHA256 59e08cf3325da3dd37387617abc330f0c9de56e498b10a63c52e1f07932d172e
- MD5 759f03855ed0045504ea181b9a80d36c
- SHA1 2160cbe69dea399500d37bfd2a3ef60c5578f6db
- SHA512 5697ad4a733d82a48e3fff1313eff48b2a97a80ae0f51407c109c53e0cdb8abf63b002050ea7537eb6ce5c056dd11f9d5d227523478242b4dd4348d429389bf7
- TLSH T14001C25493F81324F3F3AA19BDF990491D387A71A817EA4D00C04E4D0832E18CC62F1A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 91B
- SHA256 32e1fd9f1ffb1b45be33b3e6fb9da056b5d345209228606f51b78a3e326d63f5
- MD5 2005732eb83d2a20fc55438182e9ae8e
- SHA1 e18b29e16aed294f5c108bb5630caa988973515c
- SHA512 4afc18836269cb57b779c2eacd0d55c24b236b2cc2389474264796e6d4ab5b5282d1d66eb6f8a7a4254cc56baf4fb82af85f140cb5232daf7a169a2483ad3a57
- TLSH T1B5B012690EE41459009258CC2E4256FA08019343497044235384D1E88137370420D401
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
- Size 111KB
- SHA256 48a1ba637b4a85273db18a2a8d68236aebbd5008e06f117b73f7a29985417dea
- MD5 f8aace58d1168f68fc274f91a25a18d6
- SHA1 59dc5ab720ffa464db2451696e6862aa35dc6022
- SHA512 1faf3c40df247321d0fdfb38aa01277757896db36a015a6d3943cf5c5dc5c6cbbe780ab9b7012845a62d4da673acf7e617bffced79573f14342fe63700f2aa0c
- SSDEEP 3072:JuHq1twP/RbZwNDWB5noHMQ++PumNSFB44OzqhCcr:JuHqwP/FZwl6osQ++PumNSFBROzqhC
- TLSH T1EFB3E867E20B80A3D87302B056507B72EEBCBC321A5D5157E7E4D8811DF588E9066AFF
- MD5 SHA1 SHA512 SSDEEP TLSH