Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
07/07/2026, 14:28
General
- Target 319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe
- Size 413KB
- Sample260707-rtatlaf19k
- SHA256 319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a
Malware Config
Extracted
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remcos
-
7.2.5 Pro
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RemoteHost
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204.10.160.254:2404
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-TXXNZX
-
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: 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 2 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
- Drops file in Windows directory 1 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\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.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\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"C:\Users\Admin\AppData\Local\Temp\319b75ccfd07cc7aaed69cd1e1363846480ef7b8ee532f0cc13e7631c1bfae9a.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
System.dll
memory/1536-22-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-37-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-67-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-64-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-27-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-28-0x0000000001780000-0x000000000347D000-memory.dmp
memory/1536-31-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-34-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-61-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-17-0x0000000001780000-0x000000000347D000-memory.dmp
memory/1536-40-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-43-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-46-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-49-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-52-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-55-0x0000000000490000-0x0000000001776000-memory.dmp
memory/1536-58-0x0000000000490000-0x0000000001776000-memory.dmp
memory/2652-15-0x0000000004FF0000-0x0000000006CED000-memory.dmp
memory/2652-16-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2652-18-0x0000000004FF0000-0x0000000006CED000-memory.dmp