General
- Target Installer157372X64.exe
- Size 15.4MB
- Sample260919-n782rsfb24
- SHA256 8175a605125bce3e2a31bba5ebd9211d88cb05d2fbd448474db9aac56fea63e0
Score
10/10
Malware Config
Targets
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- Target Installer157372X64.exe
- Size 15.4MB
- SHA256 8175a605125bce3e2a31bba5ebd9211d88cb05d2fbd448474db9aac56fea63e0
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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Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1