Managed XDR

c-users-user-desktop-macro-dfir-reto.xls — malware analysis report

File info

Filename
c-users-user-desktop-macro-dfir-reto.xls
File type
CDFV2 Microsoft Excel
File size
648.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c4047cf891b2d1da7a6c1c34f7eea7a6c8774a5a
SHA256
c52fe5364999e7393d4d7020f8976456117ac057ed7352febf84e6aac730151b
MD5
1ac89caf906a6778619451ce23fd1d05

Signatures

Execution

T1203 office_runs_dll: Suspicious document behaviour (tries to execute dll file in hidden window)
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1559 suspicious_process: Spawns a suspicious process
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros: The document contains macroses (total: 2)

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_hidden: Document contains suspicious Excel 4.0 macro
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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 macroses (total: 2)

Credential Access

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

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

dns_without_resolve: DNS query without a response
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
suricata_alert: Malicious traffic detected
yara_rules: Static rules