Managed XDR

vtdl_542ml_yj — malware analysis report

File info

Filename
vtdl_542ml_yj
File type
Rich Text Format data, version 1, unknown character set
File size
1.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
263619eabc83a8e335d3ef69450a75a059f7d257
SHA256
a7d361e5232d6d33dc4d69cf6b7831c9bdac33c68cbd91187610706c25041ea9
MD5
2ffc7e13a9ba53e46217edd49c287b8e

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_write_exe: Office document dropped an executable file
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 bad_vbs: Suspicious VBScript file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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 debugs_self: Creates a process and debugs it
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

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

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

T1102.003 cloud_discord: Connects to cloud services of Discord (potentially for malicious payload delivery)
T1095 network_icmp: Creates ICMP traffic
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
office_embedded: Office document contains embedded executable file(s)
modifies_certs: Attempts to generate or modify system certificates
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
network_powershell: Powershell process network connection detected
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected