Managed XDR

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

File info

Filename
c-users-user-desktop-test.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: WORK, Last Saved By: WORK, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Jan 25 07:16:37 2025, Last Saved Time/Date: Sat Jan 25 07:20:02 2025, Security: 0
File size
29 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2a9df267f3f3d59bc64a7beaf26337dc528e9e88
SHA256
5beac2965a643ca04a6ab469a2d3cbb435b3958c3d7e16d4a4e0e039a01847a5
MD5
44a408ff2670b89fc800aa76fe44df8b

Signatures

Resource Development

T1608.005 contacts_url_shortener: Connects to url shortening services

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1059 cmd_vbs: Uses cmd.exe to generate VBS
T1203 suspicious_msapp: Suspicious execution of Microsoft Application (possible exploitation)
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
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

T1070 cmd_vbs: Uses cmd.exe to generate VBS
T1064 office_macros_suspicious: Document contains suspicious macro
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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
suricata_alert: Malicious traffic detected