Analysis
- max time kernel
149s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/02/2026, 15:56
General
- Target e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe
- Size 1.4MB
- Sample260205-tdf2sact8f
- SHA256 e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c
Malware Config
Extracted
-
remcos
-
7.1.0 Pro
-
RemoteHost
-
77.83.39.247:2556
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audio_folder
MicRecords
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audio_path
ApplicationPath
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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
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-IBKT0I
-
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.
- Remcos family
- .NET Reactor proctector 64 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"C:\Users\Admin\AppData\Local\Temp\e7cfccae222568b1fa4e94afc51ffe55260a4d9aa0deed412e1a2d0a9ce94e0c.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Executes dropped EXE
-
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
remcos.exe
memory/452-505-0x0000000000400000-0x0000000000483000-memory.dmp
memory/452-517-0x0000000000400000-0x0000000000483000-memory.dmp
memory/672-518-0x0000000005AD0000-0x0000000005AE0000-memory.dmp
memory/672-1007-0x0000000005AD0000-0x0000000005AE0000-memory.dmp
memory/672-1008-0x00000000079D0000-0x00000000079E6000-memory.dmp
memory/4616-74-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-52-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-3-0x00000000058A0000-0x000000000593C000-memory.dmp
memory/4616-4-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/4616-5-0x0000000005940000-0x000000000594A000-memory.dmp
memory/4616-6-0x0000000007640000-0x0000000007690000-memory.dmp
memory/4616-64-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-108-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-106-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-104-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-102-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-128-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-132-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-130-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-68-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-124-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-122-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-120-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-118-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-116-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-114-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-495-0x0000000007800000-0x0000000007801000-memory.dmp
memory/4616-112-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-496-0x0000000006B80000-0x0000000006B96000-memory.dmp
memory/4616-100-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-98-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-96-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-94-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-497-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/4616-92-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-90-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-86-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-84-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-82-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-80-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-76-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-1-0x0000000005DB0000-0x0000000006354000-memory.dmp
memory/4616-72-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-126-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-2-0x0000000005800000-0x0000000005892000-memory.dmp
memory/4616-88-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-60-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-58-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-56-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-66-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-50-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-48-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-44-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-42-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-40-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-38-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-37-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-34-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-32-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-28-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-26-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-24-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-23-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-110-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-78-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-70-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-62-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-54-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-46-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-30-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-20-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-18-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-16-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-14-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-12-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-10-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-8-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-0-0x0000000000C80000-0x0000000000DF8000-memory.dmp
memory/4616-7-0x0000000007640000-0x00000000076B6000-memory.dmp
memory/4616-498-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/4616-499-0x00000000059A0000-0x00000000059B0000-memory.dmp
memory/4616-500-0x0000000007050000-0x0000000007066000-memory.dmp
memory/4616-501-0x0000000007340000-0x0000000007346000-memory.dmp