Ransomware Research

Sirattacker Ransomware

Sirattacker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Sirattacker
First Seen
February 1, 2023

How Sirattacker ransomware works

File modification behavior

Sirattacker updates file modification timestamps after encryption.

File encryption patterns

Sirattacker modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • ./\.[a-z\d]{4}$/

Ransom note and payment demands

After encrypting files, Sirattacker displays ransom notes demanding payment for file recovery:

fileHow to Recovery.bat
notes/How to Recovery.bat

Location: EveryFolder

screenshot
notes/blf1rsw3f.jpg

Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with Sirattacker ransomware:

  • ETH 200.exe
  • svchost.exe
  • file.exe

About this analysis

This Sirattacker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like Sirattacker.

Last updated: July 13, 2023

Detection coverage

Elastio detects Sirattacker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Sirattacker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.