Managed XDR

vtdl_pnenn4mc — malware analysis report

File info

Filename
vtdl_pnenn4mc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: Wilbert, Last Saved By: Taimur, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Dec 7 11:06:25 2015, Last Saved Time/Date: Sun Feb 14 21:50:52 2016, Security: 0
File size
66.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d51044964b5df5f8bd0e25ad7f46f4f82f7674b9
SHA256
11b4bac844c6dc0e5e6fc1c4e7299b2b78ddfd1de8838807362b7cb8ee87635a
MD5
1d8c37e5f648f7b582f76c94a8684e7f

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
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)

Privilege Escalation

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

T1064 office_macros_suspicious: Document contains suspicious macro
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1105 office_dl_write_exe: Probably malicious office document (downloads/drops EXE files to disk)
T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
dead_link: Attempts to run a file from a dead or blocked URL
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
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