Analysis
- max time kernel
149s - max time network
134s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
31/05/2026, 10:25
General
- Target 2026-05-31_625f154c4c06f24654b2140778e2364a_cobalt-strike_icedid_luca-stealer_njrat.exe
- Size 205KB
- Sample260531-mf9csagy3k
- SHA256 eefcaf150ba268a65a124d30c90a4f45f58ec9ee68a2afa664d0fbf59112f29c
Score
10/10
Malware Config
Extracted
Family
-
neptunerat
C2
-
tcp.cloudpub.ru:38193
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 3 IoCs
- Detects Windows executables referencing non-Windows User-Agents 3 IoCs
- Executes dropped EXE 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-31_625f154c4c06f24654b2140778e2364a_cobalt-strike_icedid_luca-stealer_njrat.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-31_625f154c4c06f24654b2140778e2364a_cobalt-strike_icedid_luca-stealer_njrat.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\svchost_upd.exe"C:\Users\Admin\AppData\Local\Temp\svchost_upd.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
svchost_upd.exe
memory/5308-11-0x0000000000350000-0x0000000000364000-memory.dmp
memory/5308-12-0x000000001C880000-0x000000001C890000-memory.dmp