Managed XDR

banned-20251105t101653-01609-20 (XWorm) — malware analysis report

File info

Filename
banned-20251105t101653-01609-20
File type
SMTP mail, ASCII text
File size
95.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
70b2428bbfffda658214dd59babf8e093232c418
SHA256
de334399e568a25dcf664cc82cdd061db88590400dd84f0c0d806fb9262abe6a
MD5
5937817ab889009b43da8b9e9019d425

Malwares

  • XWorm

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
T1204.002 mimics_extension: Attempts to mimic the file extension
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process

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

T1036 mimics_extension: Attempts to mimic the file extension
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_queries_computername: Retrieves the computer name
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

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
ps_ep_changed: Changes Powershell execution policy
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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