Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/11/2024, 02:44
General
- Target 5777515ef44464d49aa0789d35faf78f0d3fd819887b3bc78a554726104f7eb2.exe
- Size 165KB
- Sample241120-c76qvstmfp
- SHA256 5777515ef44464d49aa0789d35faf78f0d3fd819887b3bc78a554726104f7eb2
Malware Config
Extracted
-
remcos
-
RemoteHost
-
162.251.122.76:7119
-
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-P2SX34
-
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.
- Remcos family
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
- Drops startup file 1 IoCs
- 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: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\5777515ef44464d49aa0789d35faf78f0d3fd819887b3bc78a554726104f7eb2.exe"C:\Users\Admin\AppData\Local\Temp\5777515ef44464d49aa0789d35faf78f0d3fd819887b3bc78a554726104f7eb2.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3156-0-0x00000000745EE000-0x00000000745EF000-memory.dmp
memory/3156-1-0x0000000000DA0000-0x0000000000DD0000-memory.dmp
memory/3156-2-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-3-0x0000000006F30000-0x0000000007054000-memory.dmp
memory/3156-4-0x0000000007630000-0x0000000007BD4000-memory.dmp
memory/3156-5-0x0000000007180000-0x0000000007212000-memory.dmp
memory/3156-11-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-9-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-7-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-6-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-30-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-31-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-27-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-25-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-23-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-21-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-19-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-17-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-15-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-13-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-41-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-49-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-67-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-69-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-65-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-63-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-61-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-57-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-55-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-53-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-51-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-47-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-45-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-43-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-39-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-37-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-35-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-59-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-33-0x0000000006F30000-0x000000000704E000-memory.dmp
memory/3156-681-0x00000000745EE000-0x00000000745EF000-memory.dmp
memory/3156-1081-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1082-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1083-0x0000000007390000-0x0000000007426000-memory.dmp
memory/3156-1084-0x0000000007130000-0x000000000717C000-memory.dmp
memory/3156-1088-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1090-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1089-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1091-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3156-1092-0x00000000068D0000-0x0000000006924000-memory.dmp
memory/3156-1101-0x00000000745E0000-0x0000000074D90000-memory.dmp
memory/3544-1100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3544-1107-0x0000000000400000-0x000000000047F000-memory.dmp