Managed XDR

c-users-user-appdata-l...3425346dd352a3b117.exe (STOP Ransomware) — malware analysis report

File info

Filename
c-users-user-appdata-local-caa59414-437c-4911-ab9f-2fccf7e8a084-37315d9081efa1c39abcdb3612c531dcf01c303425346dd352a3b117.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
775 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d2220ded6685f7f633b9f47fb8bcdc74061decf1
SHA256
786bb21f95e657b07a7bfb151e4e0d0f27fe443ac855e467e9b7d3fa643c62ab
MD5
c4821791923520d4d4f593429fe5b73c

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)
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
static_pe_anomaly: The PE file structure contains anomalies
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
create_process_failed: Could not start the process
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
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
access_recyclebin: Manipulation with recyclebin detected
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services

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