Managed XDR

vtdl_ixizv1vu (AsyncRAT) — malware analysis report

File info

Filename
vtdl_ixizv1vu
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
209.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e7e5d2758012a5f56ce0fde567e0a4599d115833
SHA256
01527463b4361a39b6f47a1b197089cb687dfaef090ccfeb9d5add6399d70e9f
MD5
a93a68aa4056159d6d759937d166cab3

Malwares

  • AsyncRAT

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 mimics_extension: Attempts to mimic the file extension
T1055 injection_runpe_2: Executes injected code in another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1027.002 nsis_archive: One of the packages is NSIS archive
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1486 nsis_cryptor: NSIS cryptor indicators detected

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
net_dumps_in_native: .Net dumps have been found in native PE
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port
asyncrat_mutexes: Creates mutexes typical for AsyncRAT
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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