Analysis
- max time kernel
94s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/11/2024, 01:46
General
- Target 5cfb76b4cd1290b82763392cd3f2620430d1b220f1947d1df5373b6c34ea4cbaN.exe
- Size 76KB
- Sample241108-b62vvasemn
- SHA256 5cfb76b4cd1290b82763392cd3f2620430d1b220f1947d1df5373b6c34ea4cba
Score
10/10
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Drops file in System32 directory 3 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5cfb76b4cd1290b82763392cd3f2620430d1b220f1947d1df5373b6c34ea4cbaN.exe"C:\Users\Admin\AppData\Local\Temp\5cfb76b4cd1290b82763392cd3f2620430d1b220f1947d1df5373b6c34ea4cbaN.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svñhîst.exeC:\Windows\system32\svñhîst.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
srcsize32d.dat
svñhîst.exe
memory/2200-6-0x0000000000400000-0x0000000000415000-memory.dmp
memory/2200-10-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4544-0-0x0000000000400000-0x0000000000415000-memory.dmp
memory/4544-9-0x0000000000400000-0x0000000000415000-memory.dmp