Analysis
- max time kernel
148s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-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
-
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.
- Executes dropped EXE 2 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 47 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"C:\Users\Admin\AppData\Local\Temp\fc48b40be3b232ad4cdd5630d857cfe50415fe05b6677f74510cb6af109328c0.exe"1⤵
- 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
-
-
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\bzqvsdwcazd.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⤵
- 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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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ctkjs5q5.sv1.ps1
bzqvsdwcazd.ps1
CnEWoQtoY.exe
memory/1492-65-0x00000000075C0000-0x0000000007663000-memory.dmp
memory/1492-62-0x0000000071330000-0x000000007137C000-memory.dmp
memory/1492-61-0x0000000006850000-0x000000000689C000-memory.dmp
memory/1492-57-0x0000000005D70000-0x00000000060CB000-memory.dmp
memory/3556-48-0x0000000007400000-0x0000000007496000-memory.dmp
memory/3556-22-0x00000000051B0000-0x00000000057FA000-memory.dmp
memory/3556-45-0x00000000077D0000-0x0000000007E4C000-memory.dmp
memory/3556-44-0x0000000007060000-0x0000000007103000-memory.dmp
memory/3556-15-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3556-43-0x0000000007040000-0x0000000007060000-memory.dmp
memory/3556-47-0x0000000007200000-0x000000000720A000-memory.dmp
memory/3556-40-0x0000000075480000-0x00000000754CC000-memory.dmp
memory/3556-23-0x0000000002580000-0x0000000002590000-memory.dmp
memory/3556-46-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/3556-20-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3556-16-0x0000000002630000-0x0000000002666000-memory.dmp
memory/3556-25-0x0000000005100000-0x0000000005166000-memory.dmp
memory/3556-26-0x00000000058F0000-0x0000000005956000-memory.dmp
memory/3556-39-0x0000000006FE0000-0x0000000007016000-memory.dmp
memory/3556-24-0x0000000005060000-0x0000000005082000-memory.dmp
memory/3556-30-0x0000000005960000-0x0000000005CBB000-memory.dmp
memory/3556-31-0x0000000005E10000-0x0000000005E2E000-memory.dmp
memory/3556-32-0x0000000005E40000-0x0000000005E8C000-memory.dmp
memory/3556-51-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3724-27-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3724-5-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3724-0-0x0000000074BD2000-0x0000000074BD3000-memory.dmp
memory/3724-1-0x00000000005C0000-0x000000000069C000-memory.dmp
memory/3724-2-0x0000000005780000-0x0000000005D3A000-memory.dmp
memory/3724-3-0x00000000051C0000-0x0000000005252000-memory.dmp
memory/3724-4-0x0000000005270000-0x000000000527A000-memory.dmp
memory/3724-10-0x00000000068F0000-0x00000000069A4000-memory.dmp
memory/3724-9-0x0000000074BC0000-0x000000007537C000-memory.dmp
memory/3724-8-0x0000000074BD2000-0x0000000074BD3000-memory.dmp
memory/3724-7-0x0000000005340000-0x0000000005350000-memory.dmp
memory/3724-6-0x0000000005350000-0x00000000053EC000-memory.dmp
memory/3740-14-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3740-52-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3740-12-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3740-17-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3740-21-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5772-53-0x00000000057D0000-0x0000000005884000-memory.dmp
memory/5820-35-0x000001DCA5970000-0x000001DCA5992000-memory.dmp