Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
27/03/2026, 14:01
General
- Target x97a735c3554f9984a4e2720795b139afad5c506fe85651f836ce7ebe3aad6b26.exe
- Size 4.8MB
- Sample260327-rbl4xaev21
- SHA256 97a735c3554f9984a4e2720795b139afad5c506fe85651f836ce7ebe3aad6b26
Malware Config
Extracted
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remcos
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7.2.1 Pro
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remember
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remccccs.fartit.com:2405
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
winsvc.exe
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copy_folder
Remcs
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delete_file
false
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hide_file
true
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hide_keylog_file
true
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install_flag
true
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install_path
%Temp%
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keylog_crypt
false
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keylog_file
lgs.dat
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keylog_flag
false
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keylog_folder
remcs
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mouse_option
false
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mutex
Rmc-Z07M0X
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screenshot_crypt
false
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screenshot_flag
true
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screenshot_folder
Scrs
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- Looks for VMWare drivers on disk 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 6 IoCs
- Enumerates processes with tasklist 1 TTPs 1 IoCs
- 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\x97a735c3554f9984a4e2720795b139afad5c506fe85651f836ce7ebe3aad6b26.exe"C:\Users\Admin\AppData\Local\Temp\x97a735c3554f9984a4e2720795b139afad5c506fe85651f836ce7ebe3aad6b26.exe"1⤵
- Looks for VMWare drivers on disk
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\tasklist.exetasklist2⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
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C:\ProgramData\winsvc.exeC:\ProgramData\winsvc.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Remcs\winsvc.exe"C:\Users\Admin\AppData\Local\Temp\Remcs\winsvc.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"4⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"5⤵
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Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
lgs.dat
winsvc.exe
memory/1700-39-0x0000000000A90000-0x0000000000B05000-memory.dmp
memory/2248-51-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-87-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-45-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-46-0x0000000001770000-0x00000000017E5000-memory.dmp
memory/2248-117-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-111-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-105-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-99-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-57-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-62-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-68-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-74-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-80-0x0000000000400000-0x000000000048A000-memory.dmp
memory/2248-93-0x0000000000400000-0x000000000048A000-memory.dmp
memory/3108-4-0x0000025D557E0000-0x0000025D55810000-memory.dmp
memory/3584-47-0x0000000000400000-0x000000000048A000-memory.dmp
memory/3584-48-0x0000000001900000-0x0000000001975000-memory.dmp
memory/3680-0-0x0000014391750000-0x0000014391780000-memory.dmp
memory/4348-40-0x00000000007C0000-0x0000000000835000-memory.dmp