Analysis
- max time kernel
31s - max time network
36s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
22/05/2024, 05:48
General
- Target 06 DOC FILE NO 006-24 SHEET.exe
- Size 808KB
- Sample240522-ghmnxaeb2y
- SHA256 a4d4b4f8a98007302b4a4fe901b145301af58dffe446007a2d39cffc32f130f9
Malware Config
Extracted
-
remcos
-
1218202300
-
softwareupdatexkwre.duckdns.org:45682
-
audio_folder
MicRecords
-
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
hdgd-8HWPTM
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\06 DOC FILE NO 006-24 SHEET.exe"C:\Users\Admin\AppData\Local\Temp\06 DOC FILE NO 006-24 SHEET.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\06 DOC FILE NO 006-24 SHEET.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2112-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-14-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-15-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-19-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2112-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2388-1-0x0000000000AC0000-0x0000000000C84000-memory.dmp
memory/2388-12-0x0000000004420000-0x0000000004424000-memory.dmp
memory/2388-17-0x0000000000AC0000-0x0000000000C84000-memory.dmp
memory/2388-0-0x0000000000AC0000-0x0000000000C84000-memory.dmp