Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
12/07/2026, 09:28
General
- Target 2026-07-12_536d871194d18f132cd884000b58967b_avaddon_cobalt-strike_quasar-rat.exe
- Size 4.0MB
- Sample260712-lffj2afw5m
- SHA256 948c977fe68a2a7ba0a405e0eac9c7de8b3873fd41249e61fdd04bcf84700b13
Score
9/10
Malware Config
Signatures
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs
When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.
- Enumerates system info in registry 2 TTPs 5 IoCs
- NTFS ADS 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-12_536d871194d18f132cd884000b58967b_avaddon_cobalt-strike_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-12_536d871194d18f132cd884000b58967b_avaddon_cobalt-strike_quasar-rat.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Subvert Trust Controls: Mark-of-the-Web Bypass
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/4852-1-0x00007FF79C730000-0x00007FF79C9AE000-memory.dmp