Analysis
- max time kernel
147s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
16/08/2024, 14:34
General
- Target 20240816138f3e98b496c8f3b17cb1c418e56a2epoetratsnatch.exe
- Size 21.4MB
- Sample240816-rxk4qszcqa
- SHA256 01fef4b2e1500e9ab7c52455175381c902315f1a052809cc2e487951ef758e3b
Malware Config
Extracted
-
remcos
-
4.9.4 Light
-
RemoteHost
-
192.168.0.195:2404
-
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
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-OOWFKS
-
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 NtCreateUserProcessOtherParentProcess 1 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Themida packer 38 IoCs
Detects Themida, an advanced Windows software protection system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\20240816138f3e98b496c8f3b17cb1c418e56a2epoetratsnatch.exe"C:\Users\Admin\AppData\Local\Temp\20240816138f3e98b496c8f3b17cb1c418e56a2epoetratsnatch.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
-
-
C:\Windows\SysWOW64\grpconv.exeC:\Windows\SysWOW64\grpconv.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/3524-0-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-1-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-2-0x0000000077624000-0x0000000077626000-memory.dmp
memory/3524-3-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-8-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-11-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-13-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-12-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-14-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-10-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-9-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-5-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-4-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-7-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-6-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-16-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-15-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-19-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-20-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-22-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-21-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-23-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-18-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-17-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-24-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-25-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-26-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-27-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-28-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-29-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-30-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-31-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-32-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-33-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-34-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-35-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-36-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-37-0x0000000000600000-0x0000000000D2F000-memory.dmp
memory/3524-38-0x0000000000600000-0x0000000000D2F000-memory.dmp