Managed XDR

vtdl_gki91jes — malware analysis report

File info

Filename
vtdl_gki91jes
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Author: Microsoft Office, Last Saved By: alex, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Jun 19 17:19:06 2019, Last Saved Time/Date: Wed Jun 19 17:42:09 2019, Security: 0
File size
171 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
eabc508112766676ebc4fe5bfcbd9078526c8589
SHA256
cfe7a0643dfe6243aec9f289894af4c9af2739054e5c2b979c66fa946f5931db
MD5
33b4db3ceaa991ed7de65e78a965f4f4

Signatures

Execution

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
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro

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

T1218 suspicious_cmdline: Executes a suspicious command
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

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 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
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