Managed XDR

vtdl_1v4zn1bg — malware analysis report

File info

Filename
vtdl_1v4zn1bg
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1252, Author: TVM, Template: Normal.dotm, Last Saved By: TVM, Revision Number: 1, Name of Creating Application: Microsoft Office Word, Total Editing Time: 05:00, Create Time/Date: Thu Jul 27 06:56:00 2023, Last Saved Time/Date: Thu Jul 27 07:01:00 2023, Number of Pages: 1, Number of Words: 4, Number of Characters: 23, Security: 0
File size
1.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
edd706dc0ed8de7e608a4890e3c7ee000956a21c
SHA256
016cd4171d1e14dea93b5347a5b12016f6816ac81a7a5c0f7a711bee7875be03
MD5
c65aaac8d61cc36c0caba4ca0bb9bab0

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1559 suspicious_process: Spawns a suspicious 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
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
T1497.001 antivm_queries_computername: Retrieves the computer name
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
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

T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
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