Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
11/11/2026, 11:49
General
- Target BOOKING#83651pdf.exe
- Size 928KB
- Sample261111-nzeg7agx6x
- SHA256 d9e58db8410d3d3989b238653ba9edb64070484f01d414d55ec3632b4af4add5
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
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Victory32
-
streetotarwtyru.duckdns.org:2879
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streetotarwtyru1.duckdns.org:2879
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streetotarwtyru2.duckdns.org:2879
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streetotarwtyru3.duckdns.org:2879
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streetotarwtyru4.duckdns.org:2879
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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
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copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
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hide_keylog_file
true
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install_flag
false
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keylog_crypt
false
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keylog_file
slatko.dat
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keylog_flag
false
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
kiurtgopdvh-P0W9IE
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication 5 IoCs
Network activity triggered a Suricata alert
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication 6 IoCs
Network activity triggered a Suricata alert
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- 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: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"2⤵
- Suricata alert: REMCOS RAT Malware Inbound C2 Communication
- Suricata alert: REMCOS RAT Malware Outbound C2 Communication
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"C:\Users\Admin\AppData\Local\Temp\BOOKING#83651pdf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Process Injection
1Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
slatko.dat
memory/2280-17-0x00000000746B5000-0x00000000746B6000-memory.dmp
memory/4664-33-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-50-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-19-0x0000000077E4D000-0x0000000077E4E000-memory.dmp
memory/4664-38-0x0000000077DE1000-0x0000000077F0F000-memory.dmp
memory/4664-39-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-40-0x0000000077F15000-0x0000000077F16000-memory.dmp
memory/4664-44-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-18-0x0000000077E8F000-0x0000000077E90000-memory.dmp
memory/4664-47-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-20-0x0000000077F15000-0x0000000077F16000-memory.dmp
memory/4664-53-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-56-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-59-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-62-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-65-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-68-0x0000000000810000-0x0000000001AF6000-memory.dmp
memory/4664-71-0x0000000000810000-0x0000000001AF6000-memory.dmp