Analysis
- max time kernel
119s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
18/08/2024, 12:54
General
- Target 5c482e2f743f26a08c2c635a631f2710N.exe
- Size 1.4MB
- Sample240818-p5a8dstgrf
- SHA256 44c60a89bb1a3de59c88bb8cd3e866ebd245d413c22fcbd0bf5d51bb5650d935
Malware Config
Extracted
-
remcos
-
RemoteHost
-
23.106.127.123:87
-
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-WAC4TL
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Drops startup file 1 IoCs
- Executes dropped EXE 1 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 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 FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5c482e2f743f26a08c2c635a631f2710N.exe"C:\Users\Admin\AppData\Local\Temp\5c482e2f743f26a08c2c635a631f2710N.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\jailkeeper\undiscernibleness.exe"C:\Users\Admin\AppData\Local\Temp\5c482e2f743f26a08c2c635a631f2710N.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\5c482e2f743f26a08c2c635a631f2710N.exe"3⤵
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
pensum
springmaker
undiscernibleness.exe
memory/4580-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-63-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-64-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-68-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-69-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-76-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-79-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-84-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4580-85-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5060-11-0x0000000001510000-0x0000000001514000-memory.dmp