Analysis
- max time kernel
148s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/05/2026, 00:03
General
- Target _ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe
- Size 635KB
- Sample260505-ab1tmady2v
- SHA256 ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09
Malware Config
Extracted
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remcos
-
7.2.1 Pro
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RemoteHost
-
104.168.5.25:2404
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104.168.5.25:5000
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audio_folder
MicRecords
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audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
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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-6JBVJK
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"C:\Users\Admin\AppData\Local\Temp\_ee0e4e3198fd8942c1241f276857745823901fbbdd73b6827517998e17f91e09.exe"3⤵
-
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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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⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"5⤵
- Executes dropped EXE
-
-
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
remcos.exe
05DDC6AA91765AACACDB0A5F96DF8199
0839ECC4815B5D8D5ED699ED1C20C543
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
75A092F4522006A97542D6AC4F4E69D2
05DDC6AA91765AACACDB0A5F96DF8199
0839ECC4815B5D8D5ED699ED1C20C543
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
75A092F4522006A97542D6AC4F4E69D2
System.dll
Kitchener.jpg
typografens.jpg
trosskiftet.txt
ankenvn.ini
dialysepatienter.ini
nonexpressive.ini
supplementvinklerne.txt
thomassine.ini
Rami.aet
Statsskattelovens
Unflared.txt
admiralsuniformer.she
afhster.ini
udslusningsinstitutionerne.ini
vaporlesses.jpg
vesiculata.txt
memory/456-115-0x00000000007F0000-0x0000000001B07000-memory.dmp
memory/1428-21-0x0000000074645000-0x0000000074646000-memory.dmp
memory/3272-50-0x000000000082B000-0x000000000082C000-memory.dmp
memory/3272-51-0x00000000007F0000-0x0000000001B07000-memory.dmp
memory/3272-105-0x00000000007F0000-0x0000000001B07000-memory.dmp
memory/3272-48-0x0000000077801000-0x0000000077923000-memory.dmp
memory/3272-43-0x00000000007F0000-0x0000000001B07000-memory.dmp
memory/3272-34-0x000000007792B000-0x000000007792C000-memory.dmp
memory/3272-33-0x00000000007F0000-0x0000000001B07000-memory.dmp
memory/3272-24-0x00000000778AB000-0x00000000778AC000-memory.dmp
memory/3272-23-0x000000007792B000-0x000000007792C000-memory.dmp
memory/3272-22-0x0000000077898000-0x0000000077899000-memory.dmp
memory/3272-63-0x00000000007F0000-0x000000000087A000-memory.dmp
memory/3272-62-0x00000000007F0000-0x0000000001B07000-memory.dmp