Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
17/04/2026, 05:45
General
- Target Approved bonuses.exe
- Size 719KB
- Sample260417-gf2eaabt7t
- SHA256 5646873f89e3468c306385ef3d65b7daf63aeee4128553c3224c75cb0e6902ca
Malware Config
Extracted
-
remcos
-
7.2.2 Pro
-
RemoteHost
-
192.227.135.240:3000
-
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
true
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-40TJWS
-
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.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Drops file in System32 directory 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- NSIS installer 2 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"C:\Users\Admin\AppData\Local\Temp\Approved bonuses.exe"3⤵
-
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Executes dropped EXE
-
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Remcos\remcos.exe"C:\ProgramData\Remcos\remcos.exe"5⤵
- Executes dropped EXE
-
-
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
remcos.exe
05DDC6AA91765AACACDB0A5F96DF8199
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
C02877841121CC45139CB51404116B25_BC09EBDB09AD35D6668D6BA2AFCDC914
DDE8B1B7E253A9758EC380BD648952AF_29234DE985D6C338FD1A56F68F3D76F4
05DDC6AA91765AACACDB0A5F96DF8199
24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
C02877841121CC45139CB51404116B25_BC09EBDB09AD35D6668D6BA2AFCDC914
DDE8B1B7E253A9758EC380BD648952AF_29234DE985D6C338FD1A56F68F3D76F4
nsbA170.tmp
nsc88F5.tmp
nsh96FF.tmp
System.dll
nsrAD97.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
nss3299.tmp
Flatterers.vap
Fodboldbanens.pol
heliophobe.sha
dadl.ini
memory/324-1188-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1194-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1192-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1190-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1180-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1186-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1184-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1182-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1196-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1173-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/324-1179-0x00000000360F0000-0x0000000036154000-memory.dmp
memory/324-1178-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/3056-559-0x0000000073D35000-0x0000000073D36000-memory.dmp
memory/3592-560-0x0000000077028000-0x0000000077029000-memory.dmp
memory/3592-562-0x000000007703B000-0x000000007703C000-memory.dmp
memory/3592-561-0x00000000770BB000-0x00000000770BC000-memory.dmp
memory/3592-577-0x00000000004D0000-0x00000000017E7000-memory.dmp
memory/3592-582-0x0000000076F91000-0x00000000770B3000-memory.dmp
memory/3592-595-0x0000000076F91000-0x00000000770B3000-memory.dmp
memory/3592-594-0x00000000360F0000-0x0000000036154000-memory.dmp
memory/3592-593-0x00000000004D0000-0x00000000017E7000-memory.dmp