Managed XDR

c-users-user-desktop-sheet_vaggrfkb.xls — malware analysis report

File info

Filename
c-users-user-desktop-sheet_vaggrfkb.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: IEUser, Last Saved By: IEUser, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jul 10 09:50:38 2020, Last Saved Time/Date: Tue Jul 14 07:51:09 2020, Security: 0
File size
572 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b8b742916ce57d14d158f110eb9ebe41fd574ba0
SHA256
e68fbd778bbb8fee52778f7e8780baa7086ce0f2c7fc424d4421db5ac3989e90
MD5
3a4d9ce7581543bb9e27f76d23c63f03

Signatures

Execution

T1203 suspicious_msapp: Suspicious execution of Microsoft Application (possible exploitation)
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 3)

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
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 3)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

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
yara_rules: Static rules