Managed XDR

vtdl_1761603255_9g_1ja46 — malware analysis report

File info

Filename
vtdl_1761603255_9g_1ja46
File type
CDFV2 Microsoft Outlook Message
File size
1.2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
c48ee4de7fb030f5489e64ae2144232fcec957dc
SHA256
6d87d47759b964f99fe3258529f339283b567f4303c7b757c0ebc386dcae7d97
MD5
6b69179b259e64cc231c323fb640cd6c

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 suspicious_batch: Suspicious batch

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

T1497 debugs_self: Creates a process and debugs it
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027 many_env_vars: An extensive number of environment variables has been created (possible sign of obfuscation)
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

T1497 debugs_self: Creates a process and debugs it
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
ps_ep_changed: Changes Powershell execution policy
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