Managed XDR

vtdl_oa685v1m (DCRat) — malware analysis report

File info

Filename
vtdl_oa685v1m
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
978.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
9f503ba661df82f42acb562083ef624f3d1f5357
SHA256
550f9bed132a6f997e333638b2ef4baf2efb0828bf5a0b7bfd8c9360756c950b
MD5
4cd8c545f81ac9dc0ec9d6c41f20ca3b

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_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Discovery

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
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
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
dotnet_suspicious_module_name: Dotnet has suspicious module name
dotnet_import_unmanaged_code: Dotnet malware statically imports unmanaged functions/modules
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet has suspicious entrypoint
dotnet_downloader_possible_network_problem: Dotnet downloader possibly has network problem

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