Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/12/2024, 17:16
General
- Target a1b6ec86bff84ed72257daaf6a11811f71027b8a02592d39bda47c36a1a91afb.exe
- Size 2.2MB
- Sample241207-vs94vaxkft
- SHA256 a1b6ec86bff84ed72257daaf6a11811f71027b8a02592d39bda47c36a1a91afb
Malware Config
Extracted
-
xenorat
-
96.126.118.61
-
Microsoft Windows_3371808
-
delay
5000
-
install_path
appdata
-
port
5037
-
startup_name
svchost.exe
Signatures
- XenorRat
XenorRat is a remote access trojan written in C#.
- Xenorat family
- 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 2 IoCs
Detects Themida, an advanced Windows software protection system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1b6ec86bff84ed72257daaf6a11811f71027b8a02592d39bda47c36a1a91afb.exe"C:\Users\Admin\AppData\Local\Temp\a1b6ec86bff84ed72257daaf6a11811f71027b8a02592d39bda47c36a1a91afb.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "svchost.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC813.tmp" /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpC813.tmp
memory/400-4-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-13-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-3-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-0-0x0000000000700000-0x0000000000DCE000-memory.dmp
memory/400-5-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-8-0x0000000000700000-0x0000000000DCE000-memory.dmp
memory/400-9-0x0000000000700000-0x0000000000DCE000-memory.dmp
memory/400-10-0x0000000000700000-0x0000000000DCE000-memory.dmp
memory/400-2-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-11-0x0000000076B70000-0x0000000076B71000-memory.dmp
memory/400-12-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-1-0x0000000076B70000-0x0000000076B71000-memory.dmp
memory/400-16-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-17-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-18-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-20-0x0000000076B50000-0x0000000076C40000-memory.dmp
memory/400-21-0x0000000006220000-0x0000000006286000-memory.dmp
memory/400-22-0x0000000076B50000-0x0000000076C40000-memory.dmp