Managed XDR

localappdata-7c980d7f-...47aa12607dd5-tnjxe.exe (STOP Ransomware) — malware analysis report

File info

Filename
localappdata-7c980d7f-ec19-4b35-a313-47aa12607dd5-tnjxe.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
774 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
1cf7b27af78d099cceb891dc83d11b0c44b31e97
SHA256
3db7ace246b7ceb73ceb8f086cb36bb8366cf1c6e1009b41913b93a083a75dfe
MD5
384c3b29fa6133e729935cfc7e1c5472

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
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
creates_exe: Creates executable files in the file system
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
suricata_alert: Malicious traffic detected

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