Managed XDR

turodmx1oj.doc (XWorm) — malware analysis report

File info

Filename
turodmx1oj.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1200, Author: Tiago Ol, Number of Characters: 0, Create Time/Date: Tue Feb 28 04:44:00 2023, Last Saved By: Tiago Ol, Last Saved Time/Date: Tue Feb 28 05:12:00 2023, Name of Creating Application: Microsoft O, Number of Pages: 1, Revision Number: 4, Security: 0, Template: Normal, Number of Words: 0
File size
19.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
b392aab23a3ea0e7f35a1668392b39304848f7dc
SHA256
b3fb96b9e6ebd6f522b2cc9e75769fd7896303b6b41de6245487ad539ef11aeb
MD5
228fd2c8a3cf5a9a4443f62b25f4a3e9

Malwares

  • XWorm

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.001 suspicious_process: Spawns a suspicious process
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
ce_info: XWorm Configuration Data found
unexpected_exception: Unexpected exception
network_powershell: Powershell process network connection detected
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
writes_data: Writes big amount of data to disk
suricata_alert: Malicious traffic detected
dotnet_suspicious_cultureidentifier: Dotnet program contains invalid CultureIdentifier

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