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240406-b8dk2ahd7510Analysis
- max time kernel
149s - max time network
151s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
06/04/2024, 01:48
General
- Target f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2.exe
- Size 922KB
- Sample240406-b8dk2ahd75
- 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.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 26 IoCs
- Detects executables packed with SmartAssembly 2 IoCs
- 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\f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2.exe"C:\Users\Admin\AppData\Local\Temp\f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2.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\tmp8FD1.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2.exe"C:\Users\Admin\AppData\Local\Temp\f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp8FD1.tmp
logs.dat
memory/2308-3-0x0000000000310000-0x0000000000320000-memory.dmp
memory/2308-27-0x00000000741D0000-0x00000000748BE000-memory.dmp
memory/2308-4-0x0000000000330000-0x000000000033C000-memory.dmp
memory/2308-5-0x00000000051C0000-0x0000000005280000-memory.dmp
memory/2308-2-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/2308-1-0x00000000741D0000-0x00000000748BE000-memory.dmp
memory/2308-0-0x0000000000D90000-0x0000000000E78000-memory.dmp
memory/2588-40-0x000000006E580000-0x000000006EB2B000-memory.dmp
memory/2588-38-0x0000000002480000-0x00000000024C0000-memory.dmp
memory/2588-37-0x0000000002480000-0x00000000024C0000-memory.dmp
memory/2588-36-0x0000000002480000-0x00000000024C0000-memory.dmp
memory/2588-34-0x000000006E580000-0x000000006EB2B000-memory.dmp
memory/2588-33-0x000000006E580000-0x000000006EB2B000-memory.dmp
memory/2724-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2724-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-81-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2724-82-0x0000000000400000-0x0000000000482000-memory.dmp