Managed XDR

vahvistamaton-869330.crdownload (XWorm) — malware analysis report

File info

Filename
vahvistamaton-869330.crdownload
File type
Zip archive data, at least v2.0 to extract
File size
23.1 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
f8c1d8413534d71e9eff02f9d9096252151ad796
SHA256
b0ddac7dee8ad3473a2feb829c443b1bc14d20ac8851fd608dfd892f09339352
MD5
33d3952b1e38c796c331ed56a3a5e798

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.001 antivm_network_adapters: Checks NIC addresses
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

Discovery

T1497.001 antivm_sandboxie: Attempts to detect Sandboxie
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Exfiltration

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

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
ip_domains: Identifies an IP address using external resources
suspicious_process: Spawns a suspicious process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected

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