Managed XDR

vtdl_1751741103_hd2bs0ro (DCRat) — malware analysis report

File info

Filename
vtdl_1751741103_hd2bs0ro
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
2.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
d1441b396048082edb1718a2d77e17f12cf5d70d
SHA256
75c646890577083392a1c038cd0c469a9ca1a22dcf5e0757931ab2c3a02ca6c9
MD5
4fd84fc1dcf50a7884605480d150bc5f

Malwares

  • DCRat

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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
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

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_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected
dotnet_downloader_possible_network_problem: Dotnet program possibly has network problem
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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