Managed XDR

c-users-user-desktop-64470000 — malware analysis report

File info

Filename
c-users-user-desktop-64470000
File type
Microsoft Excel 2007+
File size
8.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
90c4c5cf76c66a129361485a4d50b52a1b63a39e
SHA256
8d20180e3acfd8b6a83232793edf43f492da52766db278986cf13e12d103d1e0
MD5
b855da12c3538812ec491d686f5adaee

Signatures

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1203 suspicious_msapp: Suspicious execution of Microsoft Application (possible exploitation)

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 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
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