Managed XDR

vtdl_z1e3xvma — malware analysis report

File info

Filename
vtdl_z1e3xvma
File type
RAR archive data, v5
File size
7.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
32c7bf42a600d86a5cbe679391299521775c623f
SHA256
da20ef868634c013b7d7862d0b9945b67cdef62fa3c78e24403ed13ccf8d002d
MD5
3ed5796260889cb63c6fe9cda0b1cbc1

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 suspicious_process: Spawns a suspicious process
T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.006 drops_python_dll: Drops python dll

Persistence

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

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

Defense Evasion

T1562 windefender_rollback: Rolls back signature definitions in Windows Defender
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1036 mimics_extension: Attempts to mimic the file extension
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
T1082 has_wmi: Executes one or several WMI requests
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
ip_domains: Identifies an IP address using external resources
static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
dotnet_embeded_dependencies_by_costura: Dotnet program has embedded dependencies by Costura
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
test_check_service: Starts services
dotnet_use_suspicious_functions: Dotnet program potentially uses suspicious functions/modules
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected