Analysis
- max time kernel
120s - max time network
106s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
23/11/2024, 04:34
General
- Target 495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe
- Size 527KB
- Sample241123-e686psykfv
- SHA256 495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e
Malware Config
Signatures
- Osiris
- Osiris family
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.
- Suspicious use of SetThreadContext 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 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"C:\Users\Admin\AppData\Local\Temp\495c8abf54ea82c59e1ac41a9b486b3d8ea72ebb58cd370c0aba4c753b1cdd6e.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
GetX64BTIT.exe
x64btit.txt
System.dll
memory/2616-12-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-24-0x0000000010000000-0x0000000010015000-memory.dmp
memory/2616-10-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-14-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-13-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-16-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-15-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-9-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-7-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-11-0x0000000000400000-0x0000000000456000-memory.dmp
memory/2616-26-0x00000000007A0000-0x00000000007BE000-memory.dmp
memory/2616-29-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-28-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-32-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-33-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-38-0x0000000000350000-0x00000000003EF000-memory.dmp
memory/2616-43-0x0000000000350000-0x00000000003EF000-memory.dmp