Managed XDR

vtdl_eelghku4 (Raccoon Stealer, RedLine Stealer, STOP Ransomware, Nemucod, Tinba) — malware analysis report

File info

Filename
vtdl_eelghku4
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
384 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
89d5109e9a72e97803c046fcb93a4109bc4a697e
SHA256
008595897dd043b24ce16fc72e7d2c3d2b1a85f519fb69a5408b431fe3b57071
MD5
802d9fd06971d0133b5053ebda405909

Malwares

  • Raccoon Stealer
  • RedLine Stealer
  • STOP Ransomware
  • Nemucod
  • Tinba

Signatures

Resource Development

T1586.001 social_twitter: Connects to Twitter domains (potentially for information gathering)
T1586.001 social_telegram: Connects to Telegram (potentially for information gathering)
T1585.001 social_twitter: Connects to Twitter domains (potentially for information gathering)
T1585.001 social_telegram: Connects to Telegram (potentially for information gathering)

Execution

T1559 executes_dropped_exe: Executes dropped exe files
T1559 suricata_alert: Malicious traffic detected
T1559 creates_exe: Creates executable files in the file system
T1559 modifies_certs: Attempts to generate or modify system certificates
T1559 ip_domains: Identifies an IP address using external resources
T1559 multiple_useragents: Uses more than one unique User-Agent
T1559 code_share_services: Connects to text storage services (potentially for malicious payload delivery)
T1559 dead_host: Connects to IP addresses that do not respond to requests
T1559 break_limit_exceeded: Warning: function calls limit has been exceeded
T1559 message_box: Displays a message
T1559 origin_langid: Unconventional language of the executable file
T1559 create_rpc_bindings: Creates RPC connection
T1559 require_administrator: Requests administrator privileges
T1559 checktokenmembership: Checks user token with CheckTokenMembership call
T1559 writes_data: Writes big amount of data to disk
T1559 has_pdb: This executable file has a PDB path
T1559 raccoon_stealer_beacon: Raccoon Stealer is detected: beacon

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory

Defense Evasion

T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1070 stealth_webhistory: Clears browsing history
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers

Discovery

T1033 recon_beacon: The process has sent information about the computer over the network
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 recon_beacon: The process has sent information about the computer over the network
T1102.003 cloud_discord: Connects to cloud services of Discord (potentially for malicious payload delivery)
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
get_memory_status: Gets information about the virtual and physical memory of the system
get_username: Gets username

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