Analysis
- max time kernel
162s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/03/2024, 03:10
General
- Target b65b194c6cc134d56ba3acdcc7bd3051.exe
- Size 328KB
- Sample240306-dn32asba37
- SHA256 acd6287f7fa2e10f6cd00f8fc8e9d8aa6553b2e95186c3190958f5ef40259f66
Malware Config
Signatures
- Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
- Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
- 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b65b194c6cc134d56ba3acdcc7bd3051.exe"C:\Users\Admin\AppData\Local\Temp\b65b194c6cc134d56ba3acdcc7bd3051.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\vt2.exe"C:\Users\Admin\AppData\Local\Temp\vt2.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
vt2.exe
vt2.exe
OSIRIS-4473.htm
memory/1576-20-0x00000000024F0000-0x0000000002517000-memory.dmp
memory/1576-17-0x0000000002250000-0x0000000002251000-memory.dmp
memory/1576-11-0x0000000002A50000-0x0000000002AF0000-memory.dmp
memory/1576-12-0x0000000002250000-0x0000000002251000-memory.dmp
memory/1576-13-0x0000000002A50000-0x0000000002AF0000-memory.dmp
memory/1576-14-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1576-16-0x00000000024F0000-0x0000000002517000-memory.dmp
memory/1576-30-0x00000000024F0000-0x0000000002517000-memory.dmp
memory/1576-18-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1576-29-0x00000000024F0000-0x0000000002517000-memory.dmp
memory/1576-28-0x00000000024F0000-0x0000000002517000-memory.dmp
memory/1968-0-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1968-9-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1968-6-0x0000000000400000-0x0000000000458000-memory.dmp