Managed XDR

email_temp-02.eml — malware analysis report

File info

Filename
email_temp-02.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
2.9 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
639f9420a185b0cba5ba81e2bef6395e66dea5e3
SHA256
997a1765fc24470f1ad83bb0b8f8ed0f512020aa2742c29e51f80cda9816180d
MD5
871daf57083e246e17476cf38b55efc6

Signatures

Execution

T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks
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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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
T1055 injection_failed: The attempt to inject into a process has failed
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1082 reads_csrss: Attempts to read csrss.exe memory

Other

creates_many_processes: Spawns a lot of processes (over 70)
kills_explorer: Terminates explorer.exe process
creates_in_windows: Creates files in the Windows directory
create_process_failed: Could not start the process
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
unsigned_driver_drop: Sample is not signed and drops a device driver
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_exe: Creates executable files in the file system
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay