Managed XDR

raid-kostada2-outputs_...099ea37.oa.oa.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-90fa54cc8a95bb6ddc7cb5e907b543bcd98358eb9efdffb9b9385241c099ea37.oa.oa.oa.oa.oa
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.7 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
212d2702d9a977159d69a6e4e714fe79b9e7822c
SHA256
a1968ddc7a68aea5d8265c4ac5c5f95430ad58a41b837a8d18862d1e8ede2f11
MD5
e34cbc2b5bbd88bbbb60d4d872099943

Malwares

  • STOP Ransomware

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1070 stealth_window: A process created a hidden window

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_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
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
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

Related reports

Managed XDR