Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
12/08/2025, 15:45
General
- Target 8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e.exe
- Size 1.0MB
- Sample250812-s67jrssls4
- SHA256 8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e
Malware Config
Extracted
-
remcos
-
3.8.0 Pro
-
boxx
-
abby.work.gd:4132
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
vlc
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
true
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
ios
-
mouse_option
false
-
mutex
Rmc-KVV5H5
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
sos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e.exe"C:\Users\Admin\AppData\Local\Temp\8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e.exe"C:\Users\Admin\AppData\Local\Temp\8b45845bf90a11a1cddf71ad83042a7908e1a721a1e6db90ca6cc7f6600f765e.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/2404-31-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-51-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-9-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-10-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-16-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-17-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-13-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2404-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/5400-0-0x0000000000120000-0x000000000022C000-memory.dmp
memory/5400-1-0x00000000053E0000-0x0000000005986000-memory.dmp
memory/5400-2-0x0000000004D20000-0x0000000004DB2000-memory.dmp
memory/5400-8-0x0000000006450000-0x0000000006510000-memory.dmp
memory/5400-7-0x0000000004F10000-0x0000000004F20000-memory.dmp
memory/5400-6-0x0000000004F00000-0x0000000004F14000-memory.dmp
memory/5400-5-0x0000000005010000-0x00000000050AC000-memory.dmp
memory/5400-4-0x0000000004CF0000-0x0000000004CFA000-memory.dmp
memory/5400-3-0x0000000004F10000-0x0000000004F20000-memory.dmp