Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
28/03/2023, 07:04
General
- Target TNT Original Invoice PDF.exe
- Size 3.0MB
- Sample230328-hvysdabc6w
- SHA256 3696d769fc0cfbf1d2e53dc532c7f33ac7fbad2eb7744f8df3e188734e2c5472
Malware Config
Extracted
-
remcos
-
RemoteHost
-
51.75.209.245:2406
-
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
Rmc-52YOYG
-
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.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice PDF.exe"C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/4800-147-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-139-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-144-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-145-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-133-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-148-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-149-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-154-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-134-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-155-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-167-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-161-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-160-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-168-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-173-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-174-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-179-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-181-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-186-0x0000000000960000-0x00000000009DF000-memory.dmp
memory/4800-187-0x0000000000960000-0x00000000009DF000-memory.dmp