Managed XDR

vtdl_rj1zezfu — malware analysis report

File info

Filename
vtdl_rj1zezfu
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1252, Author: Daniel Silva, Last Saved By: Linky, Name of Creating Application: Microsoft Excel, Create Time/Date: Wed Feb 7 01:19:21 2024, Last Saved Time/Date: Thu Feb 15 02:55:43 2024, Security: 0
File size
66 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8f2b718b06d3475b17df656ec3f798ec9acb146d
SHA256
4ab5f90aff55ef4b883c0fd1ace2e37f4115b798bfe3b9abf358dfd56f6ab654
MD5
ad107754d928ba63e758f0346d7d6535

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains macroses (total: 4)
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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 4)
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

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

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
process_crashed: One of the processes has failed
office_summary: The document contains suspicious metadata
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