Managed XDR

vtdl_1780940901_mtsvys0e (XWorm) — malware analysis report

File info

Filename
vtdl_1780940901_mtsvys0e
File type
news or mail, ASCII text, with CRLF line terminators
File size
1.5 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
ab39e79d57d5cdf68ce284bdeb1b6bb088b82008
SHA256
85fe01beb24326956ad9870908109c96ef16e5bfa859bcdfe0944894ca1727c9
MD5
078ee5633dc057768ad7130e5cc824ed

Malwares

  • XWorm

Signatures

Execution

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

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Credential Access

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

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

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

Other

yara_rules: Static rules
ce_info: XWorm Configuration Data found
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
valid_authenticode: The digital signature has been verified
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
pe_overlay: PE file contains overlay

Related reports

Managed XDR