Managed XDR

vtdl_w6gsh3hk — malware analysis report

File info

Filename
vtdl_w6gsh3hk
File type
Zip archive data, at least v1.0 to extract
File size
5.4 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
6564efca99459ae112d3bd43b810f4c31b0643a2
SHA256
2422a31194c8db4e36ee8d361417c50429da7bf299634fc176abf96db0d76605
MD5
b4f013da8bfb6afa49fb628d9553d225

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

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
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055 injection_runpe_2: Executes injected code in another process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1033 recon_beacon: The process has sent information about the computer over the network
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network

Other

yara_rules: Static rules
dotnet_import_unmanaged_code: Dotnet malware statically imports unmanaged functions/modules
creates_exe: Creates executable files in the file system
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_use_suspicious_functions: Dotnet malware potentially uses suspicious functions/modules
dotnet_suspicious_entrypoint: Dotnet has suspicious entrypoint
dotnet_downloader_possible_network_problem: Dotnet downloader possibly has network problem
many_files_in_archive: The archive contains more than 5 files