Managed XDR

auslogics.driver.updat....1.24.0.1.portable.rar (Bazar Loader) — malware analysis report

File info

Filename
auslogics.driver.updater.1.24.0.1.portable.rar
File type
RAR archive data, v80, flags: Locked, Solid, Authenticated, os: MS-DOS
File size
13.1 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
ed22809b29e7161618f4a7af38f950322ab5f3f0
SHA256
7a104f0445d0fe4bb62cabc7e215e992bf63d9a5460e81712998f14df878f981
MD5
0eab4a83f267d1265c5567abc9eb2dad

Malwares

  • Bazar Loader

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 persistence_services: Modifies Services registry key
T1574.011 persistence_services: Modifies Services registry key
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 persistence_services: Modifies Services registry key
T1574.011 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1574.011 persistence_services: Modifies Services registry key
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1518 recon_programs: Collects information about installed programs
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1095 network_icmp: Creates ICMP traffic
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suricata_alert: Malicious traffic detected
event_hook: Hooks Windows events associated with UI
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
creates_in_windows: Creates files in the Windows directory
valid_authenticode: The digital signature has been verified
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
error_drawtext: An error occurred while executing the file
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files
yara_rules: Static rules
many_files_in_archive: The archive contains more than 5 files

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Managed XDR