Managed XDR

vtdl_440a32sn — malware analysis report

File info

Filename
vtdl_440a32sn
File type
Microsoft Word 2007+
File size
25.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cfb312893f2e3ead7e59a12fbd10101f40675882
SHA256
51c5588932b308da5db07401b343bd50e4bc358394fd3a7e812e329d01fed3a7
MD5
b971a2e1c9da0ae6151cde00ab917598

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains 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

T1027.004 compiles_code: Compiles C# code
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
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
checktokenmembership: Checks user token with CheckTokenMembership call