Managed XDR

localappdata-57700c04-...631e5712f6ff-rvgzl.exe (STOP Ransomware) — malware analysis report

File info

Filename
localappdata-57700c04-3122-4efc-b44f-631e5712f6ff-rvgzl.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
751 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
ad3683629ae352e8f42c3ffaa8d434cf13cae827
SHA256
1404eecc806f687f91ee14d0693edbb20e274a85d9c02bf544eb7eb533b8b73c
MD5
d050e31a1a45d48f16848445e80fcc0f

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
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

T1552 cookie_files: Accesses cookie files
T1555.003 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
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
suricata_alert: Malicious traffic detected

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