Managed XDR

vtdl_1791325888_827longf (XWorm) — malware analysis report

File info

Filename
vtdl_1791325888_827longf
File type
news or mail, ASCII text, with CRLF line terminators
File size
438.9 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
28416786f30cb957ebd5e96d79904e18336729b5
SHA256
9ef164ab5996092c85354e2af8da5e9b6811c1f68c21d8e774a3e42cea7574e5
MD5
c4628fb17d18f4a930c42258236db453

Malwares

  • XWorm

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497 debugs_self: Debugs itself to prevent analysis
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_msi: Checks installed MSI packages, possibly for anti-virtualization
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497 debugs_self: Debugs itself to prevent analysis
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_generic_msi: Checks installed MSI packages, possibly for anti-virtualization
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Exfiltration

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

Other

suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
network_bind: Starts servers listening at None
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
msi_has_custom_action: MSI file contains custom action
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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