Managed XDR

smtp-1-.eml — malware analysis report

File info

Filename
smtp-1-.eml
File type
RFC 822 mail, ASCII text, with very long lines, with CRLF, LF line terminators
File size
1.9 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1c5d82c90bfe25c8d83b0a59c211ee32e10ad8ed
SHA256
6e94a9fe9c8809f5999c30c2594ec51884e2391e56985d1e7369ef8bb535e680
MD5
d627f59c5ea7f3ecc9295e9fd8ac1c9d

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1036 mimics_extension: Attempts to mimic the file extension
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files