Managed XDR

312ca1a8e35dcf5b80b152...635e9f048f3fe5eb83.exe (Conti) — malware analysis report

File info

Filename
312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
465.7 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a4bdd6cef0ed43a4d08f373edc8e146bb15ca0f9
SHA256
312ca1a8e35dcf5b80b1526948bd1081fed2293b31d061635e9f048f3fe5eb83
MD5
15634dc79981e7fba25fb8530cedb981

Malwares

  • Conti

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1569.002 persistence_service: Starts newly created service

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 creates_service: Creates a service

Privilege Escalation

T1068 integrity_level: Process privileges have been escalated
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1543.003 creates_service: Creates a service
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_mail: Collects personal data from local email clients
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 locates_browser: Attempts to identify where browsers are installed
T1016 get_hostname: Attempts to get hostname
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

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behavior)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at None
unsigned_driver_drop: Sample is not signed and drops a device driver
driver_load: Loads a driver
create_rpc_bindings: Creates RPC connection
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
weak_drivers: The vulnerable driver was detected in the system, probably BYOVD attack

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