Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 08:05
General
- Target 2026-10-20_31c875c4b8d413103494928aba63b991_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe
- Size 991KB
- Sample261020-jza3jsbs3j
- SHA256 b771f5adf79afee1d5e9abb89ec471be0f58da6ab97ef6b5e5526a2d04b23b21
Score
5/10
Malware Config
Signatures
- Drops file in System32 directory 3 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-20_31c875c4b8d413103494928aba63b991_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-20_31c875c4b8d413103494928aba63b991_cobalt-strike_icedid_mespinoza_njrat_ryuk_vidar.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/5648-0-0x00007FF7AC520000-0x00007FF7AC6A1000-memory.dmp
memory/5648-1-0x000001A49A920000-0x000001A49A9A3000-memory.dmp
memory/5648-3-0x000001A49A920000-0x000001A49A9A3000-memory.dmp
memory/5648-2-0x000001A49A920000-0x000001A49A9A3000-memory.dmp
memory/5648-10-0x000001A49A920000-0x000001A49A9A3000-memory.dmp
memory/5648-12-0x00007FF7AC520000-0x00007FF7AC6A1000-memory.dmp