Sponsored by Hudson Rock – Use Hudson Rock's free cybercrime intelligence tools to learn how Infostealer infections are leading to ransomware attacks
Windows_Ransomware_Ransomexx_fabff49c.yarrule Windows_Ransomware_Ransomexx_fabff49c
{
meta:
author = "Elastic Security"
id = "fabff49c-8e1a-4020-b081-2f432532e529"
fingerprint = "a7a1e6d5fafdddc7d4699710edf407653968ffd40747c50f26ef63a6cb623bbe"
creation_date = "2021-08-07"
last_modified = "2021-10-04"
threat_name = "Windows.Ransomware.Ransomexx"
reference_sample = "480af18104198ad3db1518501ee58f9c4aecd19dbbf2c5dd7694d1d87e9aeac7"
severity = 100
arch_context = "x86, arm64"
scan_context = "file, memory"
license = "Elastic License v2"
os = "windows"
strings:
$a1 = "ransom.exx" ascii fullword
$a2 = "Infrastructure rebuild will cost you MUCH more." wide fullword
$a3 = "Your files are securely ENCRYPTED." wide fullword
$a4 = "delete catalog -quiet" wide fullword
condition:
all of them
}