Managed XDR

vtdl_1750490664_hj8x_cjv — malware analysis report

File info

Filename
vtdl_1750490664_hj8x_cjv
File type
news or mail, UTF-8 Unicode text
File size
215.3 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c3731ac74e1f10b9fd1605df8524d6540f8b1c74
SHA256
e2cc17f82db54b4dd4da306593c447098197db9c53dbf4926545934334563f71
MD5
e1e3af1472ec8b9da33bc3bab2418ace

Signatures

Initial Access

T1091 spreading_autoruninf: Creates an autorun.inf file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1574.011 persistence_services: Modifies Services registry key
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1027.002 packer_aspack: Executable file is packed with ASPack
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
T1070 stealth_window: A process created a hidden window

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518.001 antidbg_devices: Checks for devices typical for debuggers and forensic tools
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Lateral Movement

T1091 spreading_autoruninf: Creates an autorun.inf file

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1071.003 network_smtp: Sends emails, possibly SPAM
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_ftp: Performs FTP requests
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
access_recyclebin: Manipulation with recyclebin detected
get_policy_info: Retrieves information about a Policy object
open_winlogon_process: Trying to open winlogon process