Managed XDR

raid-kostada2-outputs_...6cb5d4117b1f8.oa.oa.oa (STOP Ransomware) — malware analysis report

File info

Filename
raid-kostada2-outputs_reduced_dataset-mab_1772715072-minimal-bazaar.2023.01__heur-trojan.win32.chapak_chapak.gen-38466b75668958b3772607bffd47dd2c51a42acf1f7e6f831e56cb5d4117b1f8.oa.oa.oa
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
3.2 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
2a185cbb7c1d5d3c9230d89416b53b942a9393d7
SHA256
524ef4b83824810f9cf39f4c723d8fa709c860d8e1e9d9d48adb8ade88305ae7
MD5
3d47c38abaa8ad3e4f7d71e596778514

Malwares

  • STOP Ransomware

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.007 bad_js: Suspicious Javascript file

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Command and Control

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
suricata_alert: Malicious traffic detected
modifies_certs: Attempts to generate or modify system certificates
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
dns_without_resolve: DNS query without a response
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
creates_exe: Creates executable files in the file system
origin_langid: Unconventional language of the executable file
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
js_suspicious: Suspicious javascript

Related reports

Managed XDR