Managed XDR

vtdl_80uzsmz7 — malware analysis report

File info

Filename
vtdl_80uzsmz7
File type
RAR archive data, v5
File size
87.6 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
3557479a80213031164e8cc6ce3ee63993e70383
SHA256
d57642658d2fb2422aa0814627e189d52aadf89dbc7ccc4e77c1d12f4f1ed713
MD5
54afdcd305f9a084bda3c3174248d138

Signatures

Execution

T1072 detect_putty: Traces typical for Putty are detected in the system
T1059.006 compiled_with_pyinstaller: Compiled with pyinstaller
T1047 has_wmi: Executes one or several WMI requests

Persistence

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

Privilege Escalation

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

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.001 browser_security: Modifies browser security settings
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)
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
T1070 stealth_window: A process created a hidden window
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1057 process_interest: Enumerates processes
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Lateral Movement

T1072 detect_putty: Traces typical for Putty are detected in the system

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 127.0.0.1:0, 127.0.0.1:27015
creates_exe: Creates executable files in the file system
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
valid_authenticode: The digital signature has been verified
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
break_limit_exceeded: Warning: function calls limit has been exceeded
error_drawtext: An error occured while executing the file
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files
susp_callbacks: Suspicious usage of some WinAPI with callbacks
suricata_alert: Malicious traffic detected
static_big_overlay: Executable file contains an enormously big overlay
many_files_in_archive: The archive contains more than 5 files