General
- Target Installer.iso
- Size 18.9MB
- Sample260910-lml1dst1bx
- SHA256 c489ffa503624d6de25bed8ea8b340c6f9caa239010b47bb4e433c4dc360b30c
Score
10/10
Malware Config
Targets
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- Target Installer_v3931_x64_.exe
- Size 18.8MB
- SHA256 3d006229cbe5f32f036b0f10ee2876a1d2e9434639c8ba934704d31f73688f0c
Score10/10-
Family: CNBackdoor
CNBackdoor aka CNB Bot is a backdoor that polls its C2 to download and execute additional malware.
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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VirtualBox Guest Additions in registry
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Command and Scripting Interpreter: PowerShell
Run Powershell and hide display window.
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Themida packer
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1