Managed XDR

cymulatecryptowsfxlspdfxls.xls — malware analysis report

File info

Filename
cymulatecryptowsfxlspdfxls.xls
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: Sun Jan 7 23:31:45 2024, Last Saved Time/Date: Sun Jan 7 23:31:45 2024, Security: 0
File size
209 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3ba009bbfcc46d2714f7140667c74d7c3eacc340
SHA256
838a6e125ef1fcea8f58bd0cd511e9dfbbd3e94030657d5a2b8e6bf87f09ac21
MD5
ba1e482feed67e55a2d2eb95284d0889

Signatures

Execution

T1059.003 suspicious_process: Spawns a suspicious process
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

T1070 stealth_window: A process created a hidden window
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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
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
office_embedded: Office document contains embedded executable file(s)
creates_exe: Creates executable files in the file system
pdf_page: Contains only one page
executes_dropped_exe: Executes dropped exe files
office_summary: The document contains suspicious metadata
pdf_compressed_stream: Contains an object with compressed stream
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
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