Managed XDR

invoice.txt.lnk — malware analysis report

File info

Filename
invoice.txt.lnk
File type
MS Windows shortcut, Item id list present, Has Description string, Has Relative path, Has Working directory, Has command line arguments, Icon number=97, Normal, ctime=Mon Jan 1 00:00:00 1601, mtime=Mon Jan 1 00:00:00 1601, atime=Mon Jan 1 00:00:00 1601, length=461824, window=hidenormalshowminimized
File size
1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
80c8a231ec6f86bed6cbca10b6e54a5b29cc8212
SHA256
bb422a053ae739a8bf542197a6025099f00b67f9c061f32782f7c62a13a432c7
MD5
880cdae9585a8acce941b10905adb652

Signatures

Execution

T1204 suspicious_lnk: LNK file with suspicious content

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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
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

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Other

unexpected_exception: Unexpected exception
creates_suspended_process: Creates suspended process
yara_rules: Static rules