Managed XDR

2p82-98987-manual-term.xls (ZLoader) — malware analysis report

File info

Filename
2p82-98987-manual-term.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Kazanjian, Ashlee, Last Saved By: Carpenter, Brooke, Name of Creating Application: Microsoft Excel, Last Printed: Mon Nov 9 16:00:28 2020, Create Time/Date: Thu Dec 17 23:50:29 1998, Last Saved Time/Date: Fri Apr 19 14:58:16 2024, Security: 0
File size
213.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
dbb8b49bbb62ae621298e5b4b2d050f56de4b457
SHA256
9b884f664b550bf4a8ff62a7b655fe35c2cf7cfc84e7bf69bd05aacbd8a31ef0
MD5
08fb2d6ce067a5ca3c86089267339401

Malwares

  • ZLoader

Signatures

Execution

T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1064 office_macros: The document contains macroses (total: 5)
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_hidden: Document contains suspicious Excel 4.0 macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 5)
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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

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