Managed XDR

estado-de-cuenta.eml — malware analysis report

File info

Filename
estado-de-cuenta.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
1.3 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
9a92aca1eb74cad52fb0583eccffcc3378a63d7c
SHA256
f9c90f5e0cd6d10cd6f509a675b7cb6710a26ac58a825eb7f8d87bc0fadc3188
MD5
941d3006f8c6bac55ae8722d68abcd9c

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1204.002 mimics_extension: Attempts to mimic the file extension

Privilege Escalation

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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

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
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
T1036 mimics_extension: Attempts to mimic the file extension
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1480 system_default_lang_id_present: Checks the system language
T1055 injection_failed: The attempt to inject into a process has failed
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
unpacker_wrong_base: Possibly, an error occured in the file unpacker
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
dotnet_obfuscated: Dotnet program is potentially obfuscated
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_suspicious_module_name: Dotnet program has suspicious module name