Managed XDR

c-users-user-desktop-readme.doc-copy — malware analysis report

File info

Filename
c-users-user-desktop-readme.doc-copy
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: -535, Author: User, Template: Normal.dotm, Last Saved By: JonMMx 2000, Revision Number: 4, Name of Creating Application: Microsoft Office Word, Total Editing Time: 49:00, Last Printed: Wed Aug 14 21:22:00 2019, Create Time/Date: Wed Nov 13 03:35:00 2019, Last Saved Time/Date: Fri Dec 6 07:03:00 2024, Number of Pages: 3, Number of Words: 390, Number of Characters: 2223, Security: 0
File size
314 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
45c51998e5434553e8b02a1a09ecef78f1fc1ba2
SHA256
e86952352fbaeec1977c4ef709ac514e94eb920cedecaa08d945356c82d75315
MD5
65821bd56437b801f7166256fc864d51

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)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
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 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
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
checktokenmembership: Checks user token with CheckTokenMembership call