Analysis
- max time kernel
149s - max time network
158s - platform
windows11-21h2_x64 - resource
win11-20260130-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
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
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.
- Executes dropped EXE 2 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 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⤵
- 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
- Adds Run key to start application
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
remcos.exe
memory/3968-0-0x0000000000A80000-0x0000000000BF8000-memory.dmp
memory/3968-2-0x00000000056E0000-0x0000000005772000-memory.dmp
memory/3968-3-0x0000000005780000-0x000000000581C000-memory.dmp
memory/3968-1-0x0000000005BB0000-0x0000000006156000-memory.dmp
memory/3968-4-0x0000000005910000-0x0000000005920000-memory.dmp
memory/3968-5-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/3968-6-0x00000000075A0000-0x00000000075F0000-memory.dmp
memory/3968-102-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-108-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-133-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-130-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-128-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-126-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-124-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-122-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-120-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-118-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-116-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-495-0x0000000005A30000-0x0000000005A31000-memory.dmp
memory/3968-114-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-496-0x0000000007740000-0x0000000007756000-memory.dmp
memory/3968-112-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-110-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-497-0x0000000005910000-0x0000000005920000-memory.dmp
memory/3968-106-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-104-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-98-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-96-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-92-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-90-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-88-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-84-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-82-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-80-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-76-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-72-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-68-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-66-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-64-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-60-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-58-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-56-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-54-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-52-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-50-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-48-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-46-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-44-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-42-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-38-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-36-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-34-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-32-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-30-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-29-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-26-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-24-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-22-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-20-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-18-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-16-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-14-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-100-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-94-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-86-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-78-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-74-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-70-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-62-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-40-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-12-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-10-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-8-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-7-0x00000000075A0000-0x0000000007616000-memory.dmp
memory/3968-498-0x0000000005910000-0x0000000005920000-memory.dmp
memory/3968-499-0x0000000005910000-0x0000000005920000-memory.dmp
memory/3968-500-0x0000000007810000-0x0000000007826000-memory.dmp
memory/3968-501-0x000000000A9F0000-0x000000000A9F6000-memory.dmp
memory/4560-1006-0x0000000007900000-0x0000000007916000-memory.dmp
memory/5812-505-0x0000000000400000-0x0000000000483000-memory.dmp
memory/5812-517-0x0000000000400000-0x0000000000483000-memory.dmp