Analysis
- max time kernel
150s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 01:38
General
- Target a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe
- Size 314KB
- Sample240403-b2mkcsca91
- SHA256 a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166
Malware Config
Signatures
- Detect ZGRat V1 2 IoCs
- LimeRAT
Simple yet powerful RAT for Windows machines written in .NET.
- ZGRat
ZGRat is remote access trojan written in C#.
- Detects executables packed with unregistered version of .NET Reactor 2 IoCs
- .NET Reactor proctector 2 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"C:\Users\Admin\AppData\Local\Temp\a1f8bb5990775f277540eb4c7579695477445afd90262cb819567cc9b3042166.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Necobit.exe'"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Roaming\Necobit.exe"C:\Users\Admin\AppData\Roaming\Necobit.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Necobit.exe
memory/1340-20-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1340-19-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1340-17-0x0000000004DD0000-0x0000000004DE0000-memory.dmp
memory/1340-15-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1620-6-0x0000000006260000-0x0000000006804000-memory.dmp
memory/1620-1-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1620-5-0x00000000012A0000-0x0000000001306000-memory.dmp
memory/1620-4-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1620-18-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1620-3-0x00000000057B0000-0x000000000584C000-memory.dmp
memory/1620-2-0x0000000005860000-0x0000000005870000-memory.dmp
memory/1620-0-0x0000000000D00000-0x0000000000D54000-memory.dmp