Managed XDR

c-programdata-microsof...grams-startup-7766.exe (Bazar Loader) — malware analysis report

File info

Filename
c-programdata-microsoft-windows-start-menu-programs-startup-7766.exe
File type
PE32+ executable (GUI) x86-64, for MS Windows
File size
616 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
eb037043d799b1d7a9f580890e0ca45e98c6e701
SHA256
b4b7139c8dbf3304c062523f6333d91c4a7574884300d8008aefef9ebd3947b3
MD5
e0768a610342a2070a5f0bc86a8a9daf

Malwares

  • Bazar Loader

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 has_wmi: Executes one or several WMI requests
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Defense Evasion

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
creates_exe: Creates executable files in the file system
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services

Related reports