Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
15/04/2026, 17:33
General
- Target $PLUGINSDIR/blvitae.dll
- Size 83KB
- Sample260415-v411baft7l
- SHA256 82f3d8e31e90e0250657e38806cff749e68a40676bee6883d9af5e056303c532
Malware Config
Extracted
-
remcos
-
4.7.2 Pro
-
RemoteHost
-
208.67.107.123:8780
-
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-1ZDEV4
-
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.
- Badlisted process makes network request 7 IoCs
Network request originating from process or tool commonly abused by malware.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blvitae.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blvitae.dll,#12⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"3⤵
- Badlisted process makes network request
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 7643⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3512 -ip 35121⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/1612-19-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-44-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-4-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-9-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-8-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-10-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-63-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-15-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-14-0x0000000000BA0000-0x0000000000E21000-memory.dmp
memory/1612-27-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-3-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-2-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-62-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-28-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-35-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-37-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-20-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-45-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-52-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1612-53-0x0000000000400000-0x0000000000481000-memory.dmp
memory/3512-0-0x0000000002BD0000-0x0000000002BD2000-memory.dmp
memory/3512-11-0x0000000000ED0000-0x0000000001151000-memory.dmp