Managed XDR

c-users-user-desktop-attachment.doc-copy — malware analysis report

File info

Filename
c-users-user-desktop-attachment.doc-copy
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: steve, Template: Normal, Last Saved By: george, Revision Number: 31, Name of Creating Application: Microsoft Office Word, Total Editing Time: 04:40:00, Create Time/Date: Sat Dec 31 22:30:00 2022, Last Saved Time/Date: Tue Dec 10 14:02:00 2024, Number of Pages: 2, Number of Words: 1223, Number of Characters: 6976, Security: 0
File size
1.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
05703a576940e639d5e7912c3d295e80d9667116
SHA256
9cb0a790f0c6b29f8005de78856da8c743ad6f68edbf543dcbc7db10d2d2407b
MD5
6366fa146e4c00817d5418c2b7bc993a

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains 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)

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

T1202 suspicious_process: Spawns a suspicious process
T1027 office_macros_hex_strings: Lines in hex found in document macro
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords

Discovery

T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
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