Managed XDR

sendmail.api — malware analysis report

File info

Filename
sendmail.api
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
2.4 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
9554d79159de75b26438b0041e86ec1d41c612c9
SHA256
af893f0fa8c0863e588a815614323589f30f3e0c5d8ea279429459a20bfbaeac
MD5
63ace465f25eec0a4e71a4d1682244e6

Signatures

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_process_token: Opens the access token associated with a process

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1518 locates_browser: Attempts to identify where browsers are installed

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
error_drawtext: An error occured while executing the file
writes_data: Writes big amount of data to disk