Managed XDR

volumes-samsung-x5-mal...d6c040c8dd142a4cfa1f83 (TrickBot) — malware analysis report

File info

Filename
volumes-samsung-x5-malware-2018-virusshare_dfe6f99c9fd6c040c8dd142a4cfa1f83
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
401.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
387f64fae590604efee78213557e851f00c4433f
SHA256
74a584868516d65addf4deb8f7088f76429f0a70bfce696cec3bd4a0b399dd18
MD5
dfe6f99c9fd6c040c8dd142a4cfa1f83

Malwares

  • TrickBot

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1562.001 disables_security: Disables Windows Security options
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
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_queries_computername: Retrieves the computer name
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

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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