Analysis
- max time kernel
149s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/10/2024, 23:35
General
- Target 4def7d147f85b17eecf60e3a5277c30b645df85006879e742e73f0f1469307c1N.exe
- Size 326KB
- Sample241003-3lfweswfpf
- SHA256 4def7d147f85b17eecf60e3a5277c30b645df85006879e742e73f0f1469307c1
Malware Config
Extracted
-
urelas
-
218.54.31.226
-
218.54.31.165
-
218.54.31.166
Signatures
- Urelas
Urelas is a trojan targeting card games.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4def7d147f85b17eecf60e3a5277c30b645df85006879e742e73f0f1469307c1N.exe"C:\Users\Admin\AppData\Local\Temp\4def7d147f85b17eecf60e3a5277c30b645df85006879e742e73f0f1469307c1N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\nuamn.exe"C:\Users\Admin\AppData\Local\Temp\nuamn.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\jyvue.exe"C:\Users\Admin\AppData\Local\Temp\jyvue.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_uinsey.bat
golfinfo.ini
jyvue.exe
nuamn.exe
memory/2544-20-0x0000000000EA0000-0x0000000000F21000-memory.dmp
memory/2544-41-0x0000000000EA0000-0x0000000000F21000-memory.dmp
memory/2544-14-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/2544-13-0x0000000000EA0000-0x0000000000F21000-memory.dmp
memory/2544-21-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/4308-46-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-38-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-39-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-42-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-47-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-48-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-49-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-50-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4308-51-0x00000000003D0000-0x0000000000469000-memory.dmp
memory/4636-17-0x0000000000CB0000-0x0000000000D31000-memory.dmp
memory/4636-1-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/4636-0-0x0000000000CB0000-0x0000000000D31000-memory.dmp