Managed XDR

c-users-user-appdata-l...34d311a-executable.exe (STOP Ransomware) — malware analysis report

File info

Filename
c-users-user-appdata-local-f5db5859-67d3-45e2-9a65-a955234d311a-executable.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
792 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
617b60b6bcc2be43a233732b20f7f99854538ae3
SHA256
65918c4db96fb66459d9e692d792e6ddd5c512715f5f059ebdd703696c0bcfad
MD5
c6dbdb92ebb32b138a6a01613ffe66f7

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
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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1070.004 self_delete_bat: Creates and runs a .bat file that removes the original binary file
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1562 registry_hide_tracing: Modifies File/Console tracing settings (often used to hide iocs from the system)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Credential Access

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

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime

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
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
suricata_alert: Malicious traffic detected

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