Managed XDR

cc7db1b3 — malware analysis report

File info

Filename
cc7db1b3
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.3, Code page: 1252, Last Saved By: Administrator, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Jun 22 10:41:03 2020, Last Saved Time/Date: Fri Aug 7 12:20:17 2020, Security: 0
File size
685.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bc56523f12990da1047a53ebb4da40ba6c70943b
SHA256
60edc452d312a330fa22a44bdea58d4dc41af05fc8264349194e4e8d4b21d4ac
MD5
e22f963dddcc297c3aa46212b0cec53d

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 12)
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)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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_suspicious: Document contains suspicious macro
T1564.001 stealth_file: Creates hidden or system files
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 12)
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
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
checktokenmembership: Checks user token with CheckTokenMembership call