SynAck

MITRE ATT&CK: S0242 View on attack.mitre.org

Aliases: Syn Ack, SynAck

First seen
2017-09-01 00:00:00
Malware type
ransomware, trojan
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 15:43:21

Targeted industries: financial-services government-and-public-sector technology-and-telecommunications

Targeted regions: country_code:us country_code:gb country_code:ca

Context

SynAck is variant of Trojan ransomware targeting mainly English-speaking users since at least fall 2017.

Detection coverage

  • 302 Sigma rules

Malware & tools used

  • File and Directory Discovery (attack-pattern)
  • Modify Registry (attack-pattern)
  • Obfuscated Files or Information (attack-pattern)
  • System Owner/User Discovery (attack-pattern)
  • System Checks (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Process Doppelgänging (attack-pattern)
  • Native API (attack-pattern)
  • Query Registry (attack-pattern)
  • Data Encrypted for Impact (attack-pattern)
  • System Service Discovery (attack-pattern)
  • Clear Windows Event Logs (attack-pattern)
  • System Language Discovery (attack-pattern)
  • Process Discovery (attack-pattern)

Reports & references

  • bleepingcomputer.com — Synack Ransomware Sees Huge Spike In Activity (report)
  • bleepingcomputer.com — Synack Ransomware Uses Process Doppelg Nging Technique (report)
  • id-ransomware.blogspot.com — Synack Ransomware (report)
  • zdnet.com — Synack Ransomware Group Releases Decryption Keys As They Rebrand To El Cometa (report)
  • Kaspersky — 85431 (report)
  • therecord.media — Synack Ransomware Gang Releases Decryption Keys For Old Victims (report)
  • ransomlook.io — Synack (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Synack (report)
  • MITRE ATT&CK — S0242 (report)
  • usa.kaspersky.com — 2018 Synack Doppelganging (report)

External references