Managed XDR

2020-02-18_235021.doc — malware analysis report

File info

Filename
2020-02-18_235021.doc
File type
Rich Text Format data, version 1, unknown character set
File size
717.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fcd300094ec0f22a7906202ae0ecaefd10891d42
SHA256
3e429858218a4525bc116756be3fd8d730b88ec640072f884004daa5207b54b3
MD5
576269c759a1d9ac914c8497b5f1e80f

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1059.001 amsi_bypass_attempt: Attempts to bypass Microsoft AMSI protection in PowerShell
T1064 office_macros_suspicious: Document contains suspicious 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

T1027 office_macros_empty_space: The document contains a macro with a lot of spaces or empty lines
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1064 office_macros_hidden: Document contains suspicious Excel 4.0 macro
T1027.004 compiles_code: Compiles C# code
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros_autoexec: The document contains an auto-start macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
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
suricata_alert: Malicious traffic detected