Managed XDR

k4.xls — malware analysis report

File info

Filename
k4.xls
File type
Microsoft Excel 2007+
File size
2.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9e9563077375d3bcb5eb3610812450fc6a6e7683
SHA256
45840bcfb90d52bd8ebc7cda9fd68470dccdb3ee31b04cde510d2d140997ec17
MD5
410869afd139614b9e9238a0f5991ade

Signatures

Execution

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

T1562.001 office_security: Attempts to modify Microsoft Office security settings
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
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