Analysis
- max time kernel
147s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
28/09/2024, 03:23
General
- Target RETURNED PAYMENT.exe
- Size 866KB
- Sample240928-dxq34avanp
- SHA256 34d3c312a8cb63c3e7be469f70ec3270b66c7d47cb38ed63a87e27ac1fd9c440
Malware Config
Extracted
-
remcos
-
2.7.2 Pro
-
tips
-
185.140.53.148:1011
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-OZF05G
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
wikipedia;solitaire;
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RETURNED PAYMENT.exe"C:\Users\Admin\AppData\Local\Temp\RETURNED PAYMENT.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\glsofWVaFVnYx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86DE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\RETURNED PAYMENT.exe"C:\Users\Admin\AppData\Local\Temp\RETURNED PAYMENT.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp86DE.tmp
logs.dat
memory/804-28-0x0000000000400000-0x0000000000421000-memory.dmp
memory/804-21-0x0000000000400000-0x0000000000421000-memory.dmp
memory/804-24-0x0000000000400000-0x0000000000421000-memory.dmp
memory/804-25-0x0000000000400000-0x0000000000421000-memory.dmp
memory/804-20-0x0000000000400000-0x0000000000421000-memory.dmp
memory/804-17-0x0000000000400000-0x0000000000421000-memory.dmp
memory/4668-5-0x0000000005950000-0x000000000595A000-memory.dmp
memory/4668-9-0x000000007525E000-0x000000007525F000-memory.dmp
memory/4668-10-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/4668-11-0x0000000006830000-0x000000000688C000-memory.dmp
memory/4668-8-0x00000000059A0000-0x00000000059AA000-memory.dmp
memory/4668-7-0x0000000005B80000-0x0000000005BD6000-memory.dmp
memory/4668-6-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/4668-0-0x000000007525E000-0x000000007525F000-memory.dmp
memory/4668-4-0x00000000059C0000-0x0000000005A52000-memory.dmp
memory/4668-3-0x0000000005ED0000-0x0000000006474000-memory.dmp
memory/4668-26-0x0000000075250000-0x0000000075A00000-memory.dmp
memory/4668-2-0x0000000005880000-0x000000000591C000-memory.dmp
memory/4668-1-0x0000000000E20000-0x0000000000EFE000-memory.dmp