Managed XDR

amy-cheng.pdf.lnk — malware analysis report

File info

Filename
amy-cheng.pdf.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon number=13, Archive, ctime=Sat May 8 08:14:16 2021, mtime=Sat May 8 08:14:16 2021, atime=Sat May 8 08:14:16 2021, length=331776, window=hidenormalshowminimized
File size
2.2 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
19569786d634adac1e0ff9fb922b104df654aca4
SHA256
f0842f9083d0965e7de29183ce27493986d144f173c6c1e00975adfd6ed31082
MD5
3b6dd440cc9c2835edd80e7a48e03f3c

Signatures

Execution

T1204 suspicious_lnk: LNK file with suspicious content
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process

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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed

Other

create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
checktokenmembership: Checks user token with CheckTokenMembership call
yara_rules: Static rules