Managed XDR

f-2019-virusshare_0036...fd2855552551e4e1d9afca (TrickBot) — malware analysis report

File info

Filename
f-2019-virusshare_00369-virusshare_cd136c61acfd2855552551e4e1d9afca
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
440.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5af5be977881b60e0fb5e3f8f33121a30294953d
SHA256
9e3178fcbe69f18e6e3c8c71664202dc74dbe20fbbe2686a5e25da27a90de250
MD5
cd136c61acfd2855552551e4e1d9afca

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
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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
T1574.011 persistence_services: Modifies Services registry key
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Impact

T1489 stops_service: Stops Windows services
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
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
pe_overlay: PE file contains overlay

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