Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
17/10/2026, 04:30
Behavioral task
behavioral1
Sample
2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe
Resource
win11ltsc2024-20260911-en
General
- Target 2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe
- Size 111KB
- Sample261017-e42nvahy7w
- SHA256 ff1e41f4cbe25ff82c74cd95198f95f1ab426a94773adc5b1045d84df9cf6a92
- MD5 e44f464d41943d4d02d751dd6e95980b
- SHA1 2db9d760fc965dbb7208ed7c20e45c26f97b3817
- SHA512 7fc72ef16f414916c208bf99ce86b368c1e1439f12853d528b5610f3653cd7d0229c92e2b939a3a932d0eca49b48bd480abd7b3d469c2ee7da1c3f2235422af1
- SSDEEP 3072:2uHq1twP/RbZwNDWB5noHMQ++PumNSy+44OzqhCnr:2uHqwP/FZwl6osQ++PumNSlROzqhC
- TLSH T1CFB3E967E20B80A3D87302B056507B72EEBCBC321A5D5157E7E4D8811DF588E9066AFF
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
2.4.3 Pro
-
Talentino
-
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-KG5D4I
-
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\"" 2026-10-16_e44f464d41943d4d02d751dd6e95980b_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/0x000e00000001c5b5-7.dat INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer - Deletes itself 1 TTPs 1 IoCs
pid Process 5656 WScript.exe - Executes dropped EXE 2 IoCs
pid Process 4604 remcos.exe 400 remcos.exe - Adds Run key to start application 2 TTPs 2 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\\remcos.exe\"" 2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_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\\remcos.exe\"" remcos.exe - Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\ 2026-10-16_e44f464d41943d4d02d751dd6e95980b_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 5656 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 1084 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 2026-10-16_e44f464d41943d4d02d751dd6e95980b_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-1-5-21-4280978039-528710165-233981602-1000_Classes\Local Settings 2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4604 remcos.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3420 wrote to memory of 5656 3420 2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe 89 PID 4604 wrote to memory of 5724 4604 remcos.exe 92 PID 5656 wrote to memory of 1084 5656 WScript.exe 93 PID 1084 wrote to memory of 400 1084 cmd.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-16_e44f464d41943d4d02d751dd6e95980b_elex_parallax_remcos_remocs_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-16_e44f464d41943d4d02d751dd6e95980b_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:3420 -
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:5656 -
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:1084 -
C:\Users\Admin\AppData\Roaming\remcos\remcos.exeC:\Users\Admin\AppData\Roaming\remcos\remcos.exe4⤵
- Executes dropped EXE
PID:400
-
-
-
-
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:4604 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"2⤵PID:5724
-
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 fa0e2bf72770471a0772e28e4388095075bea0fa8bb404d63ecdf4e126896879
- MD5 b882fd6304be53b2a5e755364ad6e02d
- SHA1 21010a03ebb6faa801384bd1ba58a2a01e61dbf0
- SHA512 accda90cb2ff89173846c4c010cfffeeba965647ec47cf11e9d6f2c744653e931c996a7a111729a5d70c983cd5d76ac35add34e55444b4d78bdd01957a6acf21
- TLSH T13501C26597F81225F3F7AA457DF5944A5D787A70A817EA0D85C08F4D0C32E18CC21F1A
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\logs.dat
- Size 91B
- SHA256 077d7d220b9f59c254f394a09d4f7f887f94f780f70f0004a8e22b11d030f2d9
- MD5 452b47ff88c90f64e08a9320dc992669
- SHA1 da452669978d11ad686e38e231f2eb824fd60844
- SHA512 98e7c66624d1700ebd357c7c93473a5dba6b9a74fab92ff3a07614317b1b1cb7c50036a7660862c5f0381d58fa87f34d668fb17f543540d9b3857ac96d6b59df
- TLSH T1FAB01271539461404054042EF94081278B20180A1582EF96A241400552CF153C30318B
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
- Size 111KB
- SHA256 ff1e41f4cbe25ff82c74cd95198f95f1ab426a94773adc5b1045d84df9cf6a92
- MD5 e44f464d41943d4d02d751dd6e95980b
- SHA1 2db9d760fc965dbb7208ed7c20e45c26f97b3817
- SHA512 7fc72ef16f414916c208bf99ce86b368c1e1439f12853d528b5610f3653cd7d0229c92e2b939a3a932d0eca49b48bd480abd7b3d469c2ee7da1c3f2235422af1
- SSDEEP 3072:2uHq1twP/RbZwNDWB5noHMQ++PumNSy+44OzqhCnr:2uHqwP/FZwl6osQ++PumNSlROzqhC
- TLSH T1CFB3E967E20B80A3D87302B056507B72EEBCBC321A5D5157E7E4D8811DF588E9066AFF
- MD5 SHA1 SHA512 SSDEEP TLSH