Managed XDR

vtdl_umkh19ka — malware analysis report

File info

Filename
vtdl_umkh19ka
File type
Microsoft Excel 2007+
File size
23.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7477d07d79c9ea16d7d9132ca7c93bb3727ce499
SHA256
e18a0f14f1da266da06324cb4517d6577d0376e64d5c6e6ff6312c7910b1fb4e
MD5
8213e2a0f2bb007fc11e327764577368

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
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

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the 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