Managed XDR

vtdl_1p826on4 — malware analysis report

File info

Filename
vtdl_1p826on4
File type
MS Windows shortcut, Item id list present, Points to a file or directory, Has Relative path, Has Working directory, Has command line arguments, Icon number=0, Archive, ctime=Mon Oct 30 09:59:20 2023, mtime=Mon Oct 30 09:59:20 2023, atime=Mon Oct 30 09:59:20 2023, length=278528, window=hidenormalshowminimized
File size
1.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6f0740f010ec8343125d7a0bc583bd06af9590dc
SHA256
fed91276f21980ad70c37b21854dc3b66ce585da7b803bc57ac79ef75a874829
MD5
4db5aaa911ae5f016a935f04616493f8

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1204 suspicious_lnk: LNK file with suspicious content
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1059.005 bad_vbs: Suspicious VBScript file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.009 suspicious_desktop_ini: Creates desktop.ini file with suspicious content
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

T1564.001 stealth_file: Creates hidden or system files
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style 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

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
creates_exe: Creates executable files in the file system
modifies_certs: Attempts to generate or modify system certificates
unexpected_exception: Unexpected exception
network_ftp: Performs FTP requests
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected