Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 14:29
General
- Target fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe
- Size 858KB
- Sample260810-rt2bjs1ble
- SHA256 fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
TAx-EG
-
87.120.244.219:17598
-
audio_folder
audio
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audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
59
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
ecg_acqwkvncxt
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
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screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\bavvqug0xc3.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"C:\Users\Admin\AppData\Roaming\CnEWoQtoY.exe"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_kww5qaw3.vfv.ps1
bavvqug0xc3.ps1
CnEWoQtoY.exe
memory/4424-3-0x0000000004E20000-0x0000000004E30000-memory.dmp
memory/4424-6-0x0000000004F70000-0x0000000004F80000-memory.dmp
memory/4424-7-0x0000000004E20000-0x0000000004E30000-memory.dmp
memory/4424-8-0x0000000005990000-0x0000000005A44000-memory.dmp
memory/4424-5-0x0000000004ED0000-0x0000000004F6C000-memory.dmp
memory/4424-4-0x0000000004DA0000-0x0000000004DAA000-memory.dmp
memory/4424-0-0x0000000000130000-0x000000000020C000-memory.dmp
memory/4424-2-0x0000000004BF0000-0x0000000004C82000-memory.dmp
memory/4424-1-0x00000000050A0000-0x0000000005644000-memory.dmp
memory/5132-13-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-111-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-115-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-26-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-25-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-114-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-113-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-112-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-116-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-82-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-110-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-22-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-77-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-18-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-117-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-78-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-79-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-81-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5132-15-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5664-108-0x0000000007190000-0x00000000071A4000-memory.dmp
memory/5664-97-0x0000000005C70000-0x0000000005CBC000-memory.dmp
memory/5664-98-0x0000000071740000-0x000000007178C000-memory.dmp
memory/5664-106-0x0000000006E50000-0x0000000006EF3000-memory.dmp
memory/5664-107-0x0000000007130000-0x0000000007141000-memory.dmp
memory/5924-21-0x0000000005330000-0x0000000005340000-memory.dmp
memory/5924-63-0x0000000007980000-0x000000000799E000-memory.dmp
memory/5924-72-0x0000000007E30000-0x0000000007E4A000-memory.dmp
memory/5924-73-0x0000000007E10000-0x0000000007E18000-memory.dmp
memory/5924-70-0x0000000007D20000-0x0000000007D2E000-memory.dmp
memory/5924-69-0x0000000007CF0000-0x0000000007D01000-memory.dmp
memory/5924-68-0x0000000007D70000-0x0000000007E06000-memory.dmp
memory/5924-67-0x0000000007B60000-0x0000000007B6A000-memory.dmp
memory/5924-65-0x0000000008130000-0x00000000087AA000-memory.dmp
memory/5924-66-0x0000000007AF0000-0x0000000007B0A000-memory.dmp
memory/5924-64-0x00000000079B0000-0x0000000007A53000-memory.dmp
memory/5924-71-0x0000000007D30000-0x0000000007D44000-memory.dmp
memory/5924-54-0x0000000006D90000-0x0000000006DC2000-memory.dmp
memory/5924-55-0x0000000071BA0000-0x0000000071BEC000-memory.dmp
memory/5924-17-0x0000000005200000-0x0000000005236000-memory.dmp
memory/5924-40-0x0000000006810000-0x000000000685C000-memory.dmp
memory/5924-39-0x00000000067C0000-0x00000000067DE000-memory.dmp
memory/5924-38-0x0000000006200000-0x0000000006554000-memory.dmp
memory/5924-30-0x0000000006190000-0x00000000061F6000-memory.dmp
memory/5924-29-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/5924-28-0x0000000005800000-0x0000000005822000-memory.dmp
memory/5924-24-0x0000000005970000-0x0000000005F98000-memory.dmp
memory/5924-23-0x0000000005330000-0x0000000005340000-memory.dmp
memory/6092-48-0x000001A1E84A0000-0x000001A1E84C2000-memory.dmp