Managed XDR

banned-20251027t135744-14427-15 (XWorm) — malware analysis report

File info

Filename
banned-20251027t135744-14427-15
File type
SMTP mail, ASCII text
File size
577.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
5e5ea71111907f9c73d88c95efff4f581d1e0c4a
SHA256
6b7993c862370884fde1d7cf5612ad33ea28e8205944068bd0a53d2fae28cfe8
MD5
d8492994039c7612aaf3b8aaab2405c2

Malwares

  • XWorm

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests

Persistence

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

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1070 stealth_window: A process created a hidden window
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
suricata_alert: Malicious traffic detected
ce_info: XWorm Configuration Data found
creates_exe: Creates executable files in the file system
copies_self: Creates a copy of itself
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
dotnet_obfuscated: Dotnet program is potentially obfuscated
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint

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