Managed XDR

b9b50000 — malware analysis report

File info

Filename
b9b50000
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Last Saved By: Bruno, Name of Creating Application: Microsoft Excel, Last Printed: Fri Jan 20 19:12:13 2006, Create Time/Date: Tue Nov 5 10:16:36 1996, Last Saved Time/Date: Sat Jul 5 01:17:15 2025, Security: 0
File size
70.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
dc5aa25b69727d98270af9959f1069db78aa5d4e
SHA256
58ba806b4b24c15f270cacf47bc2ddf59f10f971aa0ef4c0395568e3fd33842a
MD5
55d9318ef6d8582fac04de4ae7a4dd11

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_strings: Feature lines found in document macro
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)
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

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
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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_strings: Feature lines found in document macro
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

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
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