Managed XDR

ransomware_stopcrypt_2020_786.exe — malware analysis report

File info

Filename
ransomware_stopcrypt_2020_786.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
754 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6f9c7068df40a95ad65eeb6d19db7917881d3fe0
SHA256
35ea66d2beee4d22bcf027a10c2214e7eb420b31a712f4bb1d7574b84aedab1a
MD5
5e51ec75faeeac347bcf8da8075ed2fe

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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
T1055.012 injection_runpe: Injects code into another 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

T1055.012 injection_runpe: Injects code into another process
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
suspicious_process_network: Unusual process network activity detected
process_crashed: One of the processes has failed
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
test_check_service: Starts services