Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
12/09/2026, 11:16
General
- Target 27e999b97c48ce4cb7fe7e86bff08523c07504dd36c5f25566a037d2c77c0414.exe
- Size 525KB
- Sample260912-nc372avfkc
- SHA256 27e999b97c48ce4cb7fe7e86bff08523c07504dd36c5f25566a037d2c77c0414
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
RemoteHost
-
www.c168.design:443
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c168.design:8080
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www.e88-ee88.com:443
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e88-ee88.com:8080
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8888xx.xyz:8080
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www.8888xx.xyz:443
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s8net3.live:443
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www.s8net3.live:443
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www.s8-s8.com:443
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www.s88.red:443
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www.s88.coach:443
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www.s8.immo:443
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www.s8.moda:443
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www.s8.business:443
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www.s8-games.ink:443
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s8-games.ink:8080
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s8.business:8080
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s8.moda:8080
-
s8.immo:8080
-
s88.coach:8080
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audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
3
-
copy_file
WinService.exe
-
copy_folder
service
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
true
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc_c2-GYW49K
-
screenshot_crypt
true
-
screenshot_flag
true
-
screenshot_folder
Screenshots
-
screenshot_path
%Temp%
-
screenshot_time
20
- startup_value
-
take_screenshot_option
true
-
take_screenshot_time
5
-
take_screenshot_title
notepad;
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\27e999b97c48ce4cb7fe7e86bff08523c07504dd36c5f25566a037d2c77c0414.exe"C:\Users\Admin\AppData\Local\Temp\27e999b97c48ce4cb7fe7e86bff08523c07504dd36c5f25566a037d2c77c0414.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\service\WinService.exe"C:\Users\Admin\AppData\Roaming\service\WinService.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"3⤵
-
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x50c 0x4101⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
logs.dat
WinService.exe
memory/3872-8-0x0000000000660000-0x00000000006F0000-memory.dmp
memory/3872-13-0x0000000000660000-0x00000000006F0000-memory.dmp