Managed XDR

vtdl_1781867998_g6j7qz7z (Bazar Loader) — malware analysis report

File info

Filename
vtdl_1781867998_g6j7qz7z
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
39.9 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
52f699826991699fb6f682891b9a9fe2164645c7
SHA256
225d18b544fb5be9346ceb9ec0a1d58380944647f093149aa27e584e0c6784b7
MD5
71dc700d15944902b7037e483e6119f6

Malwares

  • Bazar Loader

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files
T1204.002 mimics_extension: Attempts to mimic the file extension

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1036 mimics_extension: Attempts to mimic the file extension

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions

Command and Control

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

Other

creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
message_box: Displays a message
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
static_big_overlay: Executable file contains an enormously big overlay

Related reports

Managed XDR