Managed XDR

vtdl_1787829502_o9sd1r2l (Bazar Loader) — malware analysis report

File info

Filename
vtdl_1787829502_o9sd1r2l
File type
Zip archive data, at least v2.0 to extract
File size
1.9 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a1ddac3293135cc857251c66ccd3451e356139bf
SHA256
c7477cfbf267fa18cc7042c3051dd7e32b9479a31e228a58e334190a3c0da920
MD5
ba4c622f752c44cef6d06da8118b9c7d

Malwares

  • Bazar Loader

Signatures

Execution

T1059.003 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1070.004 cmd_ping_del: Uses cmd.exe for pausing and deletion of the original file
T1055.012 injection_runpe: Injects code into another process
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1070.004 self_removal_command: Executes command to delete itself

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1016 get_hostname: Attempts to get hostname
T1016.001 system_network_configuration_discovery: System network configuration discovery detected

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_process: Spawns a suspicious process
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
pe_overlay: PE file contains overlay
yara_rules: Static rules

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