Managed XDR

84578.lnk — malware analysis report

File info

Filename
84578.lnk
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has command line arguments, Icon, Archive, ctime=Sat Dec 7 09:10:32 2019, mtime=Tue Jan 30 09:07:58 2024, atime=Sat Dec 7 09:10:32 2019, length=925, window=hidenormalshowminimized
File size
5.2 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
83f411afe3581f38358d5a2b0271b4499459f8e4
SHA256
dbcf827b33a29d4911b08e4f380e65b1495ff97d6893e4ce568c67cd1a8bbc7d
MD5
62db572025433cd850fa106a4643178f

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_process: Spawns a suspicious process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.004 compiles_code: Compiles C# code
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
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

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

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

Other

network_bind: Starts servers listening at None
opens_document: Opens office documents
creates_exe: Creates executable files in the file system
creates_doc: Creates (office) documents in the file system
network_powershell: PowerShell process network connection detected
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules