Managed XDR

vtdl_lx1t90y1 — malware analysis report

File info

Filename
vtdl_lx1t90y1
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
22.1 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
069da01149dc6af4681b61fc030ec81921e3ff12
SHA256
4b464a58551fff284dc7ef3deb8c1e004931df2734ecbafd07475fd85ffbf543
MD5
2bdfd37adae32ff8c85489e94fea542e

Signatures

Execution

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

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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.004 compiles_code: Compiles C# code
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.001 static_overlay_padding: Overlay contents padding
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070.004 self_removal_command: Executes command to delete itself

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1102.003 references_google: Contains links to cloud services of Google (potentially for malicious payload delivery)

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
unpacker_wrong_base: Possibly, an error occured in the file unpacker
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
static_big_overlay: Executable file contains an enormously big overlay
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
static_compression_ratio: Very high compression ratio of a file
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay