Managed XDR

vtdl_paylyxzp (Emotet) — malware analysis report

File info

Filename
vtdl_paylyxzp
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Last Saved By: Devo, Create Time/Date: Fri Jan 5 01:04:19 2024, Last Saved Time/Date: Tue Feb 13 05:04:46 2024, Security: 0
File size
180 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
240f3f8a82f5de6b7ac58c8949854a80502cd153
SHA256
49c05279d0a20a906ac10ffbe1c62ea8ac25f347ed21f829775459bd68932b82
MD5
23c39ff6592cf8afc184919c1dbef2f0

Malwares

  • Emotet

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1203 office_write_exe: Office document dropped an executable file
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

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

T1564.001 stealth_file: Creates hidden or system files
T1064 office_macros_suspicious: Document contains suspicious macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
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 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file

Command and Control

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
suspicious_explorer_cmdline: Starts explorer.exe process with suspicious command line
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
error_drawtext: An error occured while executing the file
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

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