Managed XDR

help_eml.eml (XWorm) — malware analysis report

File info

Filename
help_eml.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
31.3 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
7515eec174fbfab76cfc9fdbf4e151ef7db1b8a3
SHA256
d31541b0858320d1e26027dc3043ac52131b7d1fb486448aa798da5cfe3122d3
MD5
bb121e061013ba5f5be18cba11975943

Malwares

  • XWorm

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1134.004 ppid_spoofing: Parent pid spoofing detected
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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

T1134.004 ppid_spoofing: Parent pid spoofing detected
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
dead_dotnet_downloader: Dead hosted dotnet downloader
creates_exe: Creates executable files in the file system
critical_process: Makes the process critical to the system (the system shuts down when it's terminated)
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
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
suricata_alert: Malicious traffic detected
dotnet_downloader_possible_network_problem: Dotnet program possibly has network problem

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