Managed XDR

rv_-sucesi_n-jur_dica_...l-cual-se-concurre.eml — malware analysis report

File info

Filename
rv_-sucesi_n-jur_dica_-normativa-vigente-el-cual-se-concurre.eml
File type
RFC 822 mail, ASCII text, with very long lines, with CRLF line terminators
File size
25.6 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
7ce99f288d8f0c5579ba6f048086e15dc1ed1201
SHA256
0fe38cedee8afef8002e8f8d5db868d23796076f445c2d12bb35ea75eaf92d14
MD5
17d4fc41f402fe5e31571cf02abfcda5

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
T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Discovery

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

Command and Control

T1102.003 references_google: Contains links to cloud services of Google (potentially for malicious payload delivery)

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
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
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
dotnet_obfuscated: Dotnet program is potentially obfuscated
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_suspicious_module_name: Dotnet program has suspicious module name