Managed XDR

tkb-viet-my-cs1-cs2-av-3_10_2022-.xls — malware analysis report

File info

Filename
tkb-viet-my-cs1-cs2-av-3_10_2022-.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1258, Author: G21, Last Saved By: G21, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Sep 17 10:21:23 2022, Last Saved Time/Date: Wed Sep 28 14:45:17 2022, Security: 0
File size
63.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
92fbd39173876c629462dd00a86875b3dcf552d7
SHA256
bae2709eb0ff1d875e1318589d965ac93ca0a7aa44c7cd8dfb574ef6c9b51b06
MD5
a328d553f66789c38809e6226e148de9

Signatures

Execution

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
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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
creates_doc: Creates (office) documents in the file system
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card