Managed XDR

c-users-user-appdata-l...83f30015f6df9e0dbce1c5 (Conti) — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-ymnkxc2u.nkl-exe.ransomware.conti-64-f1-a2-64f1a2e5f52292fba8f64a8...58f1607cac783f30015f6df9e0dbce1c5-64f1a2e5f52292fba8f64a851c466d558f1607cac783f30015f6df9e0dbce1c5
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
185.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
124d9ce50a4b0dfa0b150b44c77c85cd2589148c
SHA256
64f1a2e5f52292fba8f64a851c466d558f1607cac783f30015f6df9e0dbce1c5
MD5
3a3001ecddb08440a659d49e4e29a697

Malwares

  • Conti

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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 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

Credential Access

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

Discovery

T1057 process_interest: Enumerates processes
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
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
T1016 get_hostname: Attempts to get hostname

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
network_bind: Starts servers listening at None
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

Related reports