Analysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
05/02/2026, 15:03
General
- Target 2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.exe
- Size 505KB
- Sample260205-se7epagy4e
- SHA256 2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
3-servers
-
185.156.174.155:42830
-
146.70.76.35:42830
-
185.216.35.150:42830
-
audio_folder
audio
-
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
3ssss.dat
-
keylog_flag
false
-
keylog_folder
3s
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_vrmgfobijw
-
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
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 1 IoCs
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 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 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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.exe"C:\Users\Admin\AppData\Local\Temp\2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.exe"1⤵
- Checks computer location settings
- Drops startup file
- 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\Local\Temp\2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.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\2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.exe"C:\Users\Admin\AppData\Local\Temp\2705f75704043f80705fd0f19b3c38b4253c5c072edd8b183a8664a972107599.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_e242ey44.wt3.ps1
memory/932-45-0x0000020B661A0000-0x0000020B661C2000-memory.dmp
memory/932-46-0x0000020B66220000-0x0000020B66264000-memory.dmp
memory/932-47-0x0000020B66660000-0x0000020B666D6000-memory.dmp
memory/1500-4-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
memory/1500-2-0x0000000004C20000-0x0000000004CB2000-memory.dmp
memory/1500-6-0x0000000004E80000-0x0000000004E90000-memory.dmp
memory/1500-7-0x00000000060A0000-0x00000000060FA000-memory.dmp
memory/1500-8-0x0000000005FE0000-0x000000000607C000-memory.dmp
memory/1500-1-0x0000000005130000-0x00000000056D4000-memory.dmp
memory/1500-0-0x0000000000120000-0x00000000001A2000-memory.dmp
memory/1500-5-0x0000000004D90000-0x0000000004D9E000-memory.dmp
memory/1500-3-0x0000000004E80000-0x0000000004E90000-memory.dmp
memory/1860-70-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1860-19-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1860-15-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1860-22-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1860-13-0x0000000000400000-0x0000000000417000-memory.dmp
memory/6044-16-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/6044-57-0x0000000006400000-0x000000000641E000-memory.dmp
memory/6044-26-0x00000000056B0000-0x0000000005716000-memory.dmp
memory/6044-35-0x0000000005840000-0x0000000005B94000-memory.dmp
memory/6044-36-0x0000000005E30000-0x0000000005E4E000-memory.dmp
memory/6044-37-0x0000000005E70000-0x0000000005EBC000-memory.dmp
memory/6044-25-0x0000000004F80000-0x0000000004FA2000-memory.dmp
memory/6044-24-0x0000000005080000-0x00000000056A8000-memory.dmp
memory/6044-23-0x0000000004A40000-0x0000000004A50000-memory.dmp
memory/6044-48-0x0000000006420000-0x0000000006452000-memory.dmp
memory/6044-49-0x0000000070CC0000-0x0000000070D0C000-memory.dmp
memory/6044-27-0x00000000057D0000-0x0000000005836000-memory.dmp
memory/6044-58-0x0000000007030000-0x00000000070D3000-memory.dmp
memory/6044-60-0x0000000007160000-0x000000000717A000-memory.dmp
memory/6044-59-0x00000000077A0000-0x0000000007E1A000-memory.dmp
memory/6044-61-0x00000000071D0000-0x00000000071DA000-memory.dmp
memory/6044-62-0x00000000073E0000-0x0000000007476000-memory.dmp
memory/6044-63-0x0000000007360000-0x0000000007371000-memory.dmp
memory/6044-64-0x0000000007390000-0x000000000739E000-memory.dmp
memory/6044-66-0x00000000074A0000-0x00000000074BA000-memory.dmp
memory/6044-67-0x0000000007480000-0x0000000007488000-memory.dmp
memory/6044-65-0x00000000073A0000-0x00000000073B4000-memory.dmp
memory/6044-18-0x00000000048B0000-0x00000000048E6000-memory.dmp