Managed XDR

gate-access-roster-2024.lnk — malware analysis report

File info

Filename
gate-access-roster-2024.lnk
File type
MS Windows shortcut, Has Description string, Has command line arguments, Icon number=1, 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=0, window=hidenormalshowminimized
File size
40 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
506ffe6a5bb460ec943ee247c280de1dbe1775bf
SHA256
c25e5e87d1e665197209e7aaec64e484ce30e2dabcc9e457c5593ac6c7bb5686
MD5
e4ddd5cc8b5f4d791f27d676d809f668

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1027.004 compiles_code: Compiles C# code
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
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

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
opens_document: Opens office documents
creates_doc: Creates (office) documents in the file system
unexpected_exception: Unexpected exception
network_powershell: Powershell process network connection detected
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
suricata_alert: Malicious traffic detected