Managed XDR

bb170000 — malware analysis report

File info

Filename
bb170000
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: WORK, Last Saved By: george, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Jan 25 07:27:51 2025, Last Saved Time/Date: Mon Jan 27 16:11:18 2025, Security: 0
File size
46.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e7c573e0363e93ed6cc4723dc6b9470acde00c90
SHA256
6e9adc4e21de0b4bd4b20078e30783f99d9f32ac1d6ed8e92f4d2fc445b4c715
MD5
8c07f127b13e8f4f0ca7033a6d5fede9

Signatures

Execution

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)
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 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

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1518 locates_browser: Attempts to identify where browsers are installed
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

Other

creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
yara_rules: Static rules