Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
12/07/2026, 08:03
General
- Target 2026-07-12_f73ae56221ddbab78c859fc24c322b6a_avaddon_cobalt-strike_quasar-rat.exe
- Size 2.3MB
- Sample260712-jx627set5l
- SHA256 5b41a660c99c3a0f880d688a7dc6a8942a68833cf2b3a7e26cc067c3e7e3666c
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_f73ae56221ddbab78c859fc24c322b6a_avaddon_cobalt-strike_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-12_f73ae56221ddbab78c859fc24c322b6a_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/2152-1-0x00007FF7375B0000-0x00007FF737808000-memory.dmp