Managed XDR

cymulatewormhtazipxls_xls.bin — malware analysis report

File info

Filename
cymulatewormhtazipxls_xls.bin
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: FileServer License, Last Saved By: FileServer License, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Nov 11 11:28:50 2024, Last Saved Time/Date: Mon Nov 11 11:28:50 2024, Security: 0
File size
143 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5a090ba83304bc878d64a4d9d8afa6edd49c8eaf
SHA256
9cc22ef22f29a0ec4ad35c42af5fcfadc8297da1009a70ef2fc92c268a49c478
MD5
0cabb85e9ecdebbcb843ca290ce01ca8

Signatures

Execution

T1064 office_macros: The document contains macroses (total: 3)
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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros: The document contains macroses (total: 3)
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

T1057 process_interest: Enumerates processes
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1082 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
executes_dropped_exe: Executes dropped exe files
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
open_winlogon_process: Trying to open winlogon process