Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
01/08/2026, 03:18
General
- Target b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe
- Size 359KB
- Sample260801-dtr6zsch37
- SHA256 b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0
Malware Config
Extracted
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remcos
-
7.2.5 Pro
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RemoteHost
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107.175.148.68:2404
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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
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-S7EK0D
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
-
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.
- Loads dropped DLL 1 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 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 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 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 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"1⤵
- Loads dropped DLL
- 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\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"C:\Users\Admin\AppData\Local\Temp\b82f9e8db8498f52fe986a31acc6ec7ba2de38c4c7a1aa69f043f577497d87e0.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
System.dll
memory/2812-15-0x00000000033A0000-0x000000000586B000-memory.dmp
memory/2812-16-0x0000000010004000-0x0000000010005000-memory.dmp
memory/5340-17-0x0000000001780000-0x0000000003C4B000-memory.dmp
memory/5340-19-0x0000000001780000-0x0000000003C4B000-memory.dmp
memory/5340-35-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-41-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-44-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-18-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-47-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-50-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-53-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-56-0x0000000000490000-0x0000000001776000-memory.dmp
memory/5340-59-0x0000000000490000-0x0000000001776000-memory.dmp