Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
27/07/2026, 00:59
General
- Target 0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe
- Size 585KB
- Sample260727-bcjr6stema
- SHA256 0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391
Malware Config
Extracted
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remcos
-
7.2.1 Pro
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RemoteHost
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107.175.246.30:2404
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107.175.246.30:5000
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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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
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hide_file
false
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hide_keylog_file
false
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install_flag
true
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keylog_crypt
false
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keylog_file
logs.dat
-
keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-Y8INA4
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screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 4 IoCs
- Drops file in Windows directory 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 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\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe"C:\Users\Admin\AppData\Local\Temp\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.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\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe"C:\Users\Admin\AppData\Local\Temp\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe"C:\Users\Admin\AppData\Local\Temp\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.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\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.exe"C:\Users\Admin\AppData\Local\Temp\0fbc7664bfc893f983376909f8df30b964d4b8b78934aa42e8e966670d3cf391.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
Loading Replay Monitor...
Downloads
remcos.exe
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
B3513D73A177A2707D910183759B389B_7DD27661FE660D16AA99AE0402116C4E
DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
B3513D73A177A2707D910183759B389B_7DD27661FE660D16AA99AE0402116C4E
DDE8B1B7E253A9758EC380BD648952AF_DF1A6565DCD908C2FD1C90E4018E7B7A
System.dll
tmaz.ini
Besoege.kra
Hypersensibility.par
Logeredes184.sco
Mahsur.per
Samkvemsmulighed.bun
Sprechstallmeistere.dif
Tandklinik
akkordeons.fas
egeparketter.pig
krokettens.dog
passir.dap
pleomazia.ket
praeger.fab
prinsetitlen.bol
svenskheden.fed
verbless.jet
memory/1512-41-0x00000000004E0000-0x00000000017C6000-memory.dmp
memory/1512-47-0x00000000017D0000-0x0000000002A01000-memory.dmp
memory/1512-49-0x00000000017D0000-0x0000000002A01000-memory.dmp
memory/1512-31-0x0000000077D45000-0x0000000077D46000-memory.dmp
memory/1512-30-0x0000000077C7D000-0x0000000077C7E000-memory.dmp
memory/1512-29-0x0000000077CBF000-0x0000000077CC0000-memory.dmp
memory/1512-28-0x00000000017D0000-0x0000000002A01000-memory.dmp
memory/4584-103-0x00000000004E0000-0x00000000017C6000-memory.dmp
memory/5760-27-0x0000000074945000-0x0000000074946000-memory.dmp
memory/5760-26-0x0000000005AA0000-0x0000000006CD1000-memory.dmp