Managed XDR

pupyovxh.xltm.xls — malware analysis report

File info

Filename
pupyovxh.xltm.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 5.1, Code page: 1252, Author: Microsoft Corporation, Last Saved By: sk0r, Name of Creating Application: Microsoft Excel, Create Time/Date: Thu Oct 17 05:27:31 1996, Last Saved Time/Date: Sat Mar 18 21:28:48 2006, Security: 0
File size
48 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f5ef7af4f67c8ae3caf74bf0775394292569afa9
SHA256
16b40c772ea2efa09383847000df803be9d53accd7cbbd730a230c42de42c2dc
MD5
ba9293054e5d4d715cc4e5265d67411c

Signatures

Execution

T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_wmi_load: Microsoft Office loads WMI DLL files (WMI usage indicator in macros)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_strings: Feature lines found in document 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)

Persistence

T1098 changes_user_password: Attempts to change user password

Privilege Escalation

T1098 changes_user_password: Attempts to change user password
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

T1112 stealth_hidden_extension: Attempts to change system settings so that file extensions won't be displayed
T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1552.002 infostealer_steam: Attempts to collect information about Steam account
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 reads_csrss: Attempts to read csrss.exe memory
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

Impact

T1565 modifies_hostfile: Writes data to system hosts file
T1531 changes_user_password: Attempts to change user password

Other

creates_in_windows: Creates files in the Windows directory
creates_doc: Creates (office) documents in the file system
browser_startpage: Changes Internet Explorer homepage
office_summary: The document contains suspicious metadata
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
yara_rules: Static rules