Managed XDR

vtdl_1flr8onu — malware analysis report

File info

Filename
vtdl_1flr8onu
File type
Zip archive data, at least v2.0 to extract
File size
331.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
eb2d0089a38f9b416ae557f9baae736cf2ef25b0
SHA256
ff1641210f27b995997bde8d950b5ef4bb895624bb8dc434347431a1715a732b
MD5
4c13a53d9e951b65810076e384a3f2db

Signatures

Persistence

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

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

Defense Evasion

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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

Discovery

T1497.001 antivm_network_adapters: Checks NIC addresses
T1016 get_hostname: Attempts to get hostname

Other

yara_rules: Static rules
has_pdb: This executable file has a PDB path
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_downloader_possible_network_problem: Dotnet program possibly has network problem