Analysis
- max time kernel
136s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240910-en - resource tags
- submitted
14/09/2024, 22:50
General
- Target Nitro.exe
- Size 45KB
- Sample240914-2sg7ds1epn
- SHA256 57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1
Malware Config
Extracted
-
xenorat
-
148.0.169.121
-
Nitro
-
delay
5000
-
install_path
appdata
-
port
4444
-
startup_name
Nitro
Signatures
- Detect XenoRat Payload 2 IoCs
- XenorRat
XenorRat is a remote access trojan written in C#.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 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 WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Nitro.exe"C:\Users\Admin\AppData\Local\Temp\Nitro.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe"C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /Create /TN "Nitro" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6BB.tmp" /F3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Nitro.exe.log
tmpC6BB.tmp
Nitro.exe
memory/1400-15-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1400-18-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1400-19-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4848-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/4848-1-0x0000000000D90000-0x0000000000DA2000-memory.dmp