Managed XDR

819405cf66cba4753247b2...ea458ea58103532cdf.eml (XWorm) — malware analysis report

File info

Filename
819405cf66cba4753247b25db57d5064dea3266145f70aea458ea58103532cdf.eml
File type
HTML document, ASCII text, with very long lines, with CRLF line terminators
File size
2.2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
3369440dc1864c278ee551bb1f1d1fbf5a0c8766
SHA256
84f518b6cd793b59f8c088e3270b35a15d702bb49b671cad4de680331b522c7e
MD5
81b5f43162297f46e929179be27e731c

Malwares

  • XWorm

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 suspicious_batch: Suspicious batch
T1059.003 url_cmdline: Cmdline of process contains URL
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
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_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

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

Discovery

T1057 process_interest: Enumerates processes
T1010 browser_needed: Repeatedly searches for browser windows
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1518 locates_browser: Attempts to identify where browsers are installed

Command and Control

T1105 lolbin_extrac32: Download or Copy file with Extrac32
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unpacker_wrong_base: Possibly, an error occured in the file unpacker
dbatloader_behaviour: DBatLoader/ModiLoader behaviour
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
message_box: Displays a message
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
enables_execute_access_on_stack: Enable execution access on stack
js_suspicious: Suspicious javascript

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