Analysis
- user interaction
yes - max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260618-en - resource tags
- submitted
26/06/2026, 03:59
General
- Target WindowsUpdate.vbs
- Size 315KB
- Sample260626-ej9hysgx91
- SHA256 12b90771029678c3c092694dd2ead7e0f116aee871f16887b6b22a4c36aca7d6
Malware Config
Extracted
-
remcos
-
7.2.5 Light
-
hida
-
hidas.io:443
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-I3P90J
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 17 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.vbs"1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hidas.exe"C:\Users\Admin\AppData\Local\Temp\hidas.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hidas.exe
memory/5940-7-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-9-0x0000000000489000-0x000000000048A000-memory.dmp
memory/5940-10-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-11-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-12-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-13-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-14-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-15-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-16-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-17-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-18-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-19-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-20-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-21-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-22-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-23-0x0000000000400000-0x000000000048A000-memory.dmp
memory/5940-24-0x0000000000400000-0x000000000048A000-memory.dmp