Managed XDR

vtdl_5tkwrt1n — malware analysis report

File info

Filename
vtdl_5tkwrt1n
File type
Zip archive data, at least v2.0 to extract
File size
12.3 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
9f4a8bf5ca20028171a8304871201c6921e4cf7c
SHA256
7051230fad11900efb9ab6429bc7aaed3460b8ebabeaf28f61b6e18c623c2658
MD5
f52607429f32fcffee9dd4c4559383de

Signatures

Execution

T1203 office_exploit_crash: Microsoft Office process crashes (failed exploitation of a vulnerability is possible)
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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
T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1027.002 packer_vmprotect: Executable file is likely compressed using VMProtect
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1082 has_wmi: Executes one or several WMI requests
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1032 internet_security_options: Sets Internet connections options that are not secure
T1071 internet_security_options: Sets Internet connections options that are not secure
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

static_pe_anomaly: The PE file structure contains anomalies
process_crashed: One of the processes has failed
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
office_suspicious_data: Office file contains suspicious data
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
static_compression_ratio: Very high compression ratio of a file
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
pe_overlay: PE file contains overlay
static_big_overlay: Executable file contains an enormously big overlay
many_files_in_archive: The archive contains more than 5 files