Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-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
-
RemoteHost
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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
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delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
true
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-6JBVJK
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
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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⤵
- Checks computer location settings
- 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⤵
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-
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
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
4FA45AE1010E09657982D8D28B3BD38E_E12A0B8EDC6D67D64FAC7F53C5B2DBC4
DDE8B1B7E253A9758EC380BD648952AF_A2D5CEEC2C581D0D49073AC0954273D3
05DDC6AA91765AACACDB0A5F96DF8199
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
4FA45AE1010E09657982D8D28B3BD38E_E12A0B8EDC6D67D64FAC7F53C5B2DBC4
DDE8B1B7E253A9758EC380BD648952AF_A2D5CEEC2C581D0D49073AC0954273D3
System.dll
Justeringstabellen
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/708-120-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/708-126-0x0000000035BB0000-0x0000000035BF5000-memory.dmp
memory/892-106-0x0000000000920000-0x0000000000965000-memory.dmp
memory/4368-67-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-65-0x00000000007F0000-0x000000000087A000-memory.dmp
memory/4368-61-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-51-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-64-0x00000000007F0000-0x000000000087A000-memory.dmp
memory/4368-63-0x0000000035B70000-0x0000000035BB5000-memory.dmp
memory/4368-50-0x0000000000865000-0x0000000000866000-memory.dmp
memory/4368-108-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-48-0x0000000076F51000-0x0000000077071000-memory.dmp
memory/4368-43-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-37-0x0000000077079000-0x000000007707A000-memory.dmp
memory/4368-35-0x00000000007F0000-0x0000000001A44000-memory.dmp
memory/4368-36-0x0000000035B70000-0x0000000035BB5000-memory.dmp
memory/4368-25-0x0000000076FF5000-0x0000000076FF6000-memory.dmp
memory/4368-24-0x0000000077079000-0x000000007707A000-memory.dmp
memory/4368-23-0x0000000076FD8000-0x0000000076FD9000-memory.dmp
memory/4836-22-0x0000000002480000-0x00000000024C5000-memory.dmp
memory/4836-21-0x0000000073CD5000-0x0000000073CD6000-memory.dmp