Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
03/03/2026, 08:00
General
- Target 8325ff9c585668aafee7499983616920d347b6e778c5c183484cb0aa5738f45d.exe
- Size 30KB
- Sample260303-jv6nnahs2e
- SHA256 8325ff9c585668aafee7499983616920d347b6e778c5c183484cb0aa5738f45d
Malware Config
Signatures
- CobianRAT
CobianRAT is a Windows RAT written in C#.
- Cobianrat family
- Detects CobianRAT 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8325ff9c585668aafee7499983616920d347b6e778c5c183484cb0aa5738f45d.exe"C:\Users\Admin\AppData\Local\Temp\8325ff9c585668aafee7499983616920d347b6e778c5c183484cb0aa5738f45d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
-
-
C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe" ...1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
svchost.exe
memory/2852-20-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/2852-3-0x000000001C740000-0x000000001C7E6000-memory.dmp
memory/2852-4-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/2852-5-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/2852-2-0x000000001C270000-0x000000001C73E000-memory.dmp
memory/2852-0-0x00007FFE354E5000-0x00007FFE354E6000-memory.dmp
memory/2852-1-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/2852-18-0x0000000000FD0000-0x0000000001000000-memory.dmp
memory/3012-31-0x00000000015D0000-0x0000000001600000-memory.dmp
memory/3012-32-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/3012-25-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/3012-26-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/3764-21-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/3764-27-0x0000000000C30000-0x0000000000C60000-memory.dmp
memory/3764-29-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp
memory/3764-28-0x000000001BD20000-0x000000001BD2C000-memory.dmp
memory/3764-19-0x00007FFE35230000-0x00007FFE35BD1000-memory.dmp