Managed XDR

bsnas.exe — malware analysis report

File info

Filename
bsnas.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
152 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e1380bc75d63684aaaa0d0e8ee5f426f3928db82
SHA256
d625b75a4efbca07d5ed1bdb81c9e6bf8ead73023b5928f72ca5b19362b57f5b
MD5
4eaaec89125e622d4028b604814f3295

Signatures

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_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 hides_original_file: Makes original executable file hidden
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.001 disables_windowsupdate: Disables Windows Auto Updates
T1564.001 stealth_file: Creates hidden or system files
T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 packer_vb: The executable file is packed using VB
T1480 system_default_lang_id_present: Checks the system language
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1057 process_interest: Enumerates processes

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
dns_without_resolve: DNS query without a response
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object