Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 22:49
General
- Target 2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe
- Size 1.8MB
- Sample261029-2rpj3sty2n
- SHA256 7b4b5c1204b69141ea3d87d680ca4cdece242f20257103b3e6c8884b205a5db3
Malware Config
Signatures
- Drops file in System32 directory 4 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: LoadsDriver 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_9ae473615b1cbf9c88b9963ee8bd3f7f_icedid_mespinoza_njrat_ryuk.exe" uninstall2⤵
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/3548-14-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3548-17-0x0000000002060000-0x00000000020C0000-memory.dmp
memory/3548-22-0x0000000002060000-0x00000000020C0000-memory.dmp
memory/3548-27-0x0000000002060000-0x00000000020C0000-memory.dmp
memory/3548-28-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/3548-23-0x0000000002060000-0x00000000020C0000-memory.dmp
memory/5944-0-0x0000000140000000-0x00000001401D8000-memory.dmp
memory/5944-1-0x0000000002070000-0x00000000020D0000-memory.dmp
memory/5944-8-0x0000000002070000-0x00000000020D0000-memory.dmp
memory/5944-7-0x0000000002070000-0x00000000020D0000-memory.dmp
memory/5944-13-0x0000000002070000-0x00000000020D0000-memory.dmp
memory/5944-15-0x0000000140000000-0x00000001401D8000-memory.dmp