Analysis
- max time kernel
148s - max time network
144s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
05/04/2024, 11:41
General
- Target TSTS 0005A.exe
- Size 922KB
- Sample240405-ntewrsbd44
- SHA256 f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
Malware Config
Extracted
-
remcos
-
RemoteHost
-
sembe.duckdns.org:14645
-
audio_folder
MicRecords
-
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
true
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
notess
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Rmc-P0AEMX
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"1⤵
- Suspicious use of SetThreadContext
- 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\Roaming\vcEDbAjawlTHE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp48A4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp48A4.tmp
logs.dat
memory/1980-39-0x0000000001D20000-0x0000000001D60000-memory.dmp
memory/1980-42-0x000000006E880000-0x000000006EE2B000-memory.dmp
memory/1980-38-0x0000000001D20000-0x0000000001D60000-memory.dmp
memory/1980-36-0x0000000001D20000-0x0000000001D60000-memory.dmp
memory/1980-34-0x000000006E880000-0x000000006EE2B000-memory.dmp
memory/2276-3-0x00000000002A0000-0x00000000002B0000-memory.dmp
memory/2276-4-0x0000000000420000-0x000000000042C000-memory.dmp
memory/2276-5-0x00000000054D0000-0x0000000005590000-memory.dmp
memory/2276-2-0x0000000004340000-0x0000000004380000-memory.dmp
memory/2276-1-0x00000000742A0000-0x000000007498E000-memory.dmp
memory/2276-31-0x00000000742A0000-0x000000007498E000-memory.dmp
memory/2276-0-0x00000000002C0000-0x00000000003A8000-memory.dmp
memory/2784-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2784-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-70-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-78-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-79-0x0000000000400000-0x0000000000482000-memory.dmp