Managed XDR

virtualfactory_planningbook.xls (Nymeria) — malware analysis report

File info

Filename
virtualfactory_planningbook.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Camp, Hugo, Last Saved By: Windows User, Name of Creating Application: Microsoft Excel, Create Time/Date: Thu Jun 8 12:43:16 2017, Last Saved Time/Date: Thu Jan 2 12:50:14 2025, Security: 0
File size
2.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ee3727e88bbd654dd1da5ae6507cb052ed70f1e3
SHA256
4c14737ae5da87bfe44520362a89b8332fc20e611cdf4fab9bfdd39b7cc0df08
MD5
7d2aeb837f9fd8679d66475321f8f8ab

Malwares

  • Nymeria

Signatures

Execution

T1059 autoit: AutoIt script execution detected
T1059 autoit_suspicious_script: Autoit contains suspicious script
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
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
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
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 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros: The document contains macroses (total: 4)
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
T1070 stealth_window: A process created a hidden window

Credential Access

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_network_adapters: Checks NIC addresses
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 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
office_embedded: Office document contains embedded executable file(s)
ip_domains: Identifies an IP address using external resources
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
creates_doc: Creates (office) documents in the file system
process_crashed: One of the processes has failed
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

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