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ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923)

ThiefQuest is a virus, data stealer, and wiper that presents itself as ransomware targeting macOS systems. ThiefQuest 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 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)

Cluster A Galaxy A Cluster B Galaxy B Level
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware AppleScript - T1059.002 (37b11151-1776-4f8f-b328-30939fbf2ceb) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Match Legitimate Resource Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Reflective Code Loading - T1620 (4933e63b-9b77-476e-ab29-761bc5b7d15a) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Exfiltration Over C2 Channel - T1041 (92d7da27-2d91-488e-a00c-059dc162766d) Attack Pattern 1
Compromise Host Software Binary - T1554 (960c3c86-1480-4d72-b4e0-8c242e84a5c5) Attack Pattern ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Launch Agent - T1543.001 (d10cbd34-42e3-45c0-84d2-535a09849584) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 1
Disable or Modify Tools - T1685 (bbde9781-60aa-4b8a-a911-895b0c1b3872) Attack Pattern ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Time Based Checks - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0) Attack Pattern 1
Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware 1
Launch Daemon - T1543.004 (573ad264-1371-4ae0-8482-d2673b719dba) Attack Pattern ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern 1
ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware Data Encrypted for Impact - T1486 (b80d107d-fa0d-4b60-9684-b0433e8bdba0) Attack Pattern 1
Debugger Evasion - T1622 (e4dc8c01-417f-458d-9ee0-bb0617c1b391) Attack Pattern ThiefQuest - S0595 (727afb95-3d0f-4451-b297-362a43909923) Malware 1
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern AppleScript - T1059.002 (37b11151-1776-4f8f-b328-30939fbf2ceb) Attack Pattern 2
Match Legitimate Resource Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2) Attack Pattern Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern 2
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern 2
Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern Launch Agent - T1543.001 (d10cbd34-42e3-45c0-84d2-535a09849584) Attack Pattern 2
Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern 2
Hide Artifacts - T1564 (22905430-4901-4c2a-84f6-98243cb173f8) Attack Pattern Hidden Files and Directories - T1564.001 (ec8fc7e2-b356-455c-8db5-2e37be158e7d) Attack Pattern 2
Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d) Attack Pattern Time Based Checks - T1497.003 (4bed873f-0b7d-41d4-b93a-b6905d1f90b0) Attack Pattern 2
Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2) Attack Pattern 2
Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern Launch Daemon - T1543.004 (573ad264-1371-4ae0-8482-d2673b719dba) Attack Pattern 2