Managed XDR

vtdl_1748400727_2oyt30t6 — malware analysis report

File info

Filename
vtdl_1748400727_2oyt30t6
File type
RFC 822 mail, UTF-8 Unicode text, with CRLF line terminators
File size
4.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
0e19bfafd3db4ae61b724cd2d3423623e9813938
SHA256
d35ed39be97d8a01846316181281dcbf4442b47f04e718c93cbbb48256e42321
MD5
5f9275126510535813ca904922f1e9b9

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059 autoit: AutoIt script execution detected
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1059.003 suspicious_batch: Suspicious batch
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1134.004 ppid_spoofing: Parent pid spoofing detected
T1055.012 injection_runpe: Injects code into another process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
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

T1134.004 ppid_spoofing: Parent pid spoofing detected
T1218 bypass_dev_utils: Copies and runs a .NET utility in a suspended state, potentially causing code injection
T1055.012 injection_runpe: Injects code into another process
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1140 unpacking_utilities: Uses Windows utilities to unpack data
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
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
T1070 stealth_window: A process created a hidden window
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1105 lolbin_extrac32: Download or Copy file with Extrac32
T1568.002 dga_domains: Connects to DGA domains

Other

drops_interpreter: Creates intrepreter binary file
opens_document: Opens office documents
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
creates_doc: Creates (office) documents in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
yara_rules: Static rules