Managed XDR

vtdl_yk3d83ys (STOP Ransomware) — malware analysis report

File info

Filename
vtdl_yk3d83ys
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
728.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4d3f3eb7c08ad7de0bc03c68af003ac1e3be2c0f
SHA256
bbc4ce20c20538d4257b075d1330de87c506a1a03984e32d4b2a7caf5db6c7be
MD5
3d25be163552d3a3aa22aeeaf79958c5

Malwares

  • STOP Ransomware

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in 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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1070.004 self_delete_bat: Creates and runs a .bat file that removes the original binary file
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055 injection_runpe_2: Executes injected code in another process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1070 stealth_window: A process created a hidden window
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
suricata_alert: Malicious traffic detected

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