Managed XDR

ec_a4_91__eb_a7_8c_eb_..._ec_b4_88_ec_95_88.xls — malware analysis report

File info

Filename
ec_a4_91__eb_a7_8c_eb_8f_84_20idb_esc__ec_b4_88_ec_95_88.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 949, Author: chunghoan.an, Last Saved By: kh.park, Name of Creating Application: Microsoft Excel, Last Printed: Thu Aug 17 09:36:32 2023, Create Time/Date: Tue Jul 11 05:17:07 2023, Last Saved Time/Date: Thu Apr 11 09:33:09 2024, Security: 0
File size
4.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
aff10eac1b0db253bdaf9188d349f687842047be
SHA256
e386c718b185e5f3147ec09c5cf492975dfac77476c2622be652e1f6dbb19b73
MD5
bb72a07aa8f1758456d1fac47b6cafcd

Signatures

Execution

T1064 office_macros: The document contains 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 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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macro
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

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

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
dead_host: Connects to IP addresses that do not respond to requests
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
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card