ThiefQuest
MITREOther
Unknown
Unknown
[ThiefQuest](https://attack.mitre.org/software/S0595) is a virus, data stealer, and wiper that presents itself as ransomware targeting macOS systems. [ThiefQuest](https://attack.mitre.org/software/S0595) was first seen in 2020 distributed via trojanized pirated versions of popular macOS software on Russian forums sharing torrent links.(Citation: Reed thiefquest fake ransom) Even though [ThiefQuest](https://attack.mitre.org/software/S0595) presents itself as ransomware, since the dynamically generated encryption key is never sent to the attacker it may be more appropriately thought of as a form of wiper malware.(Citation: wardle evilquest partii)(Citation: reed thiefquest ransomware analysis)
Associated Techniques (18)
| ID | ATT&CK | Tactics |
|---|---|---|
| T1036.005 | Match Legitimate Resource Name or Location | - |
| T1041 | Exfiltration Over C2 Channel | - |
| T1056.001 | Keylogging | - |
| T1057 | Process Discovery | - |
| T1059.002 | AppleScript | - |
| T1071.001 | Web Protocols | - |
| T1105 | Ingress Tool Transfer | - |
| T1106 | Native API | - |
| T1486 | Data Encrypted for Impact | - |
| T1497.003 | Time Based Checks | - |
| T1518.001 | Security Software Discovery | - |
| T1543.001 | Launch Agent | - |
| T1543.004 | Launch Daemon | - |
| T1554 | Compromise Host Software Binary | - |
| T1562.001 | Disable or Modify Tools | - |
Aliases (210)
Metadata
| ID: | 327 |
| Created: | 13/01/2026 17:48 |
| Updated: | 06/03/2026 16:00 |