Managed XDR

vtdl_am94rbbv — malware analysis report

File info

Filename
vtdl_am94rbbv
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1255, Author: Sav Vol, Last Saved By: Sav Vol, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Mar 4 13:44:48 2024, Last Saved Time/Date: Sun Mar 10 10:16:27 2024, Security: 0
File size
33.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9027a57b501e7d8df2079bb891b07cfb0542404b
SHA256
0d3d9e5b75150f547417c3473e2975d84c8f7841399f889a31dd15af03271800
MD5
b400335da2d5b0e4bf105d0dd18b55c0

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
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

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 4)
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

Other

yara_rules: Static rules
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