NCC Group Team9 June 2020

Bazar has the ability to use an alternative C2 server if the primary server fails.

Bazar can query Windows\CurrentVersion\Uninstall for installed applications.

Bazar can hash then resolve API calls at runtime.

Bazar has used XOR, RSA2, and RC4 encrypted files.

Bazar can identify the username of the infected user.

The Bazar loader has named malicious shortcuts "adobe" and mimicked communications software.

Bazar can create a scheduled task for persistence.

Bazar can inject into a target process including Svchost, Explorer, and cmd using process hollowing.

Bazar can inject into a target process using process doppelgänging.

Bazar can execute a PowerShell script received from C2.

Bazar can delete its loader using a batch file in the Windows temporary folder.

Bazar's loader can delete scheduled tasks created by a previous instance of the malware.

Bazar can use HTTP and HTTPS over ports 80 and 443 in C2 communications.

Bazar can fingerprint architecture, computer name, and OS version on the compromised host. Bazar can also check if the Russian language is installed on the infected machine and terminate if it is found.

Bazar can enumerate the victim's desktop.

Bazar can identify administrator accounts on an infected host.

Bazar has the ability to identify domain administrator accounts.

Bazar can download and deploy additional payloads, including ransomware and post-exploitation frameworks such as Cobalt Strike.

Bazar can collect the time on the compromised host.

Bazar can enumerate shared drives on the domain.

Bazar can decrypt downloaded payloads. Bazar also resolves strings and other artifacts at runtime.

Bazar has been downloaded via Windows BITS functionality.

Bazar can use Nltest tools to obtain information about the domain.

Bazar can use a timer to delay execution of core functionality.

Bazar can create or add files to Registry Run Keys to establish persistence.

Bazar can establish persistence by writing shortcuts to the Windows Startup folder.

Bazar can send C2 communications with XOR encryption.

Bazar can perform a check to ensure that the operating system's keyboard and language settings are not set to Russian.

Bazar has manually loaded ntdll from disk in order to identity and remove API hooks set by security products.