Managed XDR

vtdl_81k4uobr — malware analysis report

File info

Filename
vtdl_81k4uobr
File type
SMTP mail, UTF-8 Unicode (with BOM) text, with CRLF, NEL line terminators
File size
21.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d03cfaeab5ddccbcc67ecc1d050a8183f303e330
SHA256
f150293f22fb2da11734758f93d17b9c1a6a385cb3c51ebcf9d756e2849733f6
MD5
15ddd989b95545f144ae2c2510aa220e

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_process: Spawns a suspicious process
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

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

T1070 stealth_window: A process created a hidden window
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

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Command and Control

T1102.003 references_github: Contains links to cloud services of Github (potentially for malicious payload delivery)

Other

no_graphical_activity: No graphic activity
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call