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TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff)

TONESHELL is a custom backdoor that has been used since at least Q1 2021.(Citation: Palo Alto Unit42 STATELY TAURUS TONESHELL September 2023) TONESHELL malware has previously been leveraged by Chinese affiliated actors identified as Mustang Panda.(Citation: ATTACKIQ MUSTANG PANDA TONESHELL March 2023)(Citation: Zscaler)

Cluster A Galaxy A Cluster B Galaxy B Level
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware System Owner/User Discovery - T1033 (03d7999c-1f4c-42cc-8373-e7690d318104) Attack Pattern 1
Delay Execution - T1678 (a1df809c-7d0e-459f-8fe5-25474bab770b) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Binary Padding - T1027.001 (5bfccc3f-2326-4112-86cc-c1ece9d8a2b5) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
DLL - T1574.001 (2fee9321-3e71-4cf4-af24-d4d40d355b34) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Windows Service - T1543.003 (2959d63f-73fd-46a1-abd2-109d7dcede32) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Environmental Keying - T1480.001 (f244b8dd-af6c-4391-a497-fc03627ce995) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Archive via Utility - T1560.001 (00f90846-cbd1-4fc5-9233-df5c2bf2a662) Attack Pattern 1
User Activity Based Checks - T1497.002 (91541e7e-b969-40c6-bbd8-1b5352ec2938) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Execution Guardrails - T1480 (853c4192-4311-43e1-bfbb-b11b14911852) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
System Information Discovery - T1082 (354a7f88-63fb-41b5-a801-ce3b377b36f1) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Process Discovery - T1057 (8f4a33ec-8b1f-4b80-a2f6-642b2e479580) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Application Window Discovery - T1010 (4ae4f953-fe58-4cc8-a327-33257e30a830) Attack Pattern 1
LNK Icon Smuggling - T1027.012 (887274fc-2d63-4bdc-82f3-fae56d1d5fdc) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Account Discovery - T1087 (72b74d71-8169-42aa-92e0-e7b04b9f5a08) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern 1
Inter-Process Communication - T1559 (acd0ba37-7ba9-4cc5-ac61-796586cd856d) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Dynamic API Resolution - T1027.007 (ea4c2f9c-9df1-477c-8c42-6da1118f2ac4) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Non-Application Layer Protocol - T1095 (c21d5a77-d422-4a69-acd7-2c53c1faa34b) Attack Pattern 1
Code Signing - T1553.002 (32901740-b42c-4fdd-bc02-345b5dc57082) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Protocol or Service Impersonation - T1001.003 (c325b232-d5bc-4dde-a3ec-71f3db9e8adc) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Native API - T1106 (391d824f-0ef1-47a0-b0ee-c59a75e27670) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Mutual Exclusion - T1480.002 (49fca0d2-685d-41eb-8bd4-05451cc3a742) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Windows Management Instrumentation - T1047 (01a5a209-b94c-450b-b7f9-946497d91055) Attack Pattern 1
Screen Capture - T1113 (0259baeb-9f63-4c69-bf10-eb038c390688) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 1
Deobfuscate/Decode Files or Information - T1140 (3ccef7ae-cb5e-48f6-8302-897105fbf55c) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Regsvr32 - T1218.010 (b97f1d35-4249-4486-a6b5-ee60ccf24fab) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Masquerade Task or Service - T1036.004 (7bdca9d5-d500-4d7d-8c52-5fd47baf4c0c) Attack Pattern 1
Match Legitimate Resource Name or Location - T1036.005 (1c4e5d32-1fe9-4116-9d9d-59e3925bd6a2) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern 1
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Traffic Signaling - T1205 (451a9977-d255-43c9-b431-66de80130c8c) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Create Process with Token - T1134.002 (677569f9-a8b0-459e-ab24-7f18091fa7bf) Attack Pattern 1
Mavinject - T1218.013 (1bae753e-8e52-4055-a66d-2ead90303ca9) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
Local Storage Discovery - T1680 (f2514ae4-4e9b-4f26-a5ba-c4ae85fe93c3) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Ingress Tool Transfer - T1105 (e6919abc-99f9-4c6c-95a5-14761e7b2add) Attack Pattern 1
Non-Standard Encoding - T1132.002 (d467bc38-284b-4a00-96ac-125f447799fc) Attack Pattern TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Debugger Evasion - T1622 (e4dc8c01-417f-458d-9ee0-bb0617c1b391) Attack Pattern 1
TONESHELL - S1239 (2683fde8-1dc4-415c-94bd-9bb95cc5b7ff) Malware Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 1
Symmetric Cryptography - T1573.001 (24bfaeba-cb0d-4525-b3dc-507c77ecec41) Attack Pattern Encrypted Channel - T1573 (b8902400-e6c5-4ba2-95aa-2d35b442b118) Attack Pattern 2
Binary Padding - T1027.001 (5bfccc3f-2326-4112-86cc-c1ece9d8a2b5) Attack Pattern Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 2
DLL - T1574.001 (2fee9321-3e71-4cf4-af24-d4d40d355b34) Attack Pattern Hijack Execution Flow - T1574 (aedfca76-3b30-4866-b2aa-0f1d7fd1e4b6) Attack Pattern 2
Create or Modify System Process - T1543 (106c0cf6-bf73-4601-9aa8-0945c2715ec5) Attack Pattern Windows Service - T1543.003 (2959d63f-73fd-46a1-abd2-109d7dcede32) Attack Pattern 2
Execution Guardrails - T1480 (853c4192-4311-43e1-bfbb-b11b14911852) Attack Pattern Environmental Keying - T1480.001 (f244b8dd-af6c-4391-a497-fc03627ce995) Attack Pattern 2
Archive Collected Data - T1560 (53ac20cd-aca3-406e-9aa0-9fc7fdc60a5a) Attack Pattern Archive via Utility - T1560.001 (00f90846-cbd1-4fc5-9233-df5c2bf2a662) Attack Pattern 2
User Activity Based Checks - T1497.002 (91541e7e-b969-40c6-bbd8-1b5352ec2938) Attack Pattern Virtualization/Sandbox Evasion - T1497 (82caa33e-d11a-433a-94ea-9b5a5fbef81d) Attack Pattern 2
Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384) Attack Pattern Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58) Attack Pattern 2
LNK Icon Smuggling - T1027.012 (887274fc-2d63-4bdc-82f3-fae56d1d5fdc) Attack Pattern Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 2
Input Capture - T1056 (bb5a00de-e086-4859-a231-fa793f6797e2) Attack Pattern Keylogging - T1056.001 (09a60ea3-a8d1-4ae5-976e-5783248b72a4) Attack Pattern 2
Process Injection - T1055 (43e7dc91-05b2-474c-b9ac-2ed4fe101f4d) Attack Pattern Dynamic-link Library Injection - T1055.001 (f4599aa0-4f85-4a32-80ea-fc39dc965945) Attack Pattern 2
Dynamic API Resolution - T1027.007 (ea4c2f9c-9df1-477c-8c42-6da1118f2ac4) Attack Pattern Obfuscated Files or Information - T1027 (b3d682b6-98f2-4fb0-aa3b-b4df007ca70a) Attack Pattern 2
Code Signing - T1553.002 (32901740-b42c-4fdd-bc02-345b5dc57082) Attack Pattern Subvert Trust Controls - T1553 (b83e166d-13d7-4b52-8677-dff90c548fd7) Attack Pattern 2
Protocol or Service Impersonation - T1001.003 (c325b232-d5bc-4dde-a3ec-71f3db9e8adc) Attack Pattern Data Obfuscation - T1001 (ad255bfe-a9e6-4b52-a258-8d3462abe842) Attack Pattern 2
Execution Guardrails - T1480 (853c4192-4311-43e1-bfbb-b11b14911852) Attack Pattern Mutual Exclusion - T1480.002 (49fca0d2-685d-41eb-8bd4-05451cc3a742) Attack Pattern 2
Command and Scripting Interpreter - T1059 (7385dfaf-6886-4229-9ecd-6fd678040830) Attack Pattern Windows Command Shell - T1059.003 (d1fcf083-a721-4223-aedf-bf8960798d62) Attack Pattern 2
Regsvr32 - T1218.010 (b97f1d35-4249-4486-a6b5-ee60ccf24fab) Attack Pattern System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4) Attack Pattern 2
Registry Run Keys / Startup Folder - T1547.001 (9efb1ea7-c37b-4595-9640-b7680cd84279) Attack Pattern Boot or Logon Autostart Execution - T1547 (1ecb2399-e8ba-4f6b-8ba7-5c27d49405cf) Attack Pattern 2
Masquerading - T1036 (42e8de7b-37b2-4258-905a-6897815e58e0) Attack Pattern Masquerade Task or Service - T1036.004 (7bdca9d5-d500-4d7d-8c52-5fd47baf4c0c) 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
Scheduled Task/Job - T1053 (35dd844a-b219-4e2b-a6bb-efa9a75995a9) Attack Pattern Scheduled Task - T1053.005 (005a06c6-14bf-4118-afa0-ebcd8aebb0c9) Attack Pattern 2
File Deletion - T1070.004 (d63a3fb8-9452-4e9d-a60a-54be68d5998c) Attack Pattern Indicator Removal - T1070 (799ace7f-e227-4411-baa0-8868704f2a69) Attack Pattern 2
Create Process with Token - T1134.002 (677569f9-a8b0-459e-ab24-7f18091fa7bf) Attack Pattern Access Token Manipulation - T1134 (dcaa092b-7de9-4a21-977f-7fcb77e89c48) Attack Pattern 2
Mavinject - T1218.013 (1bae753e-8e52-4055-a66d-2ead90303ca9) Attack Pattern System Binary Proxy Execution - T1218 (457c7820-d331-465a-915e-42f85500ccc4) Attack Pattern 2
Data Encoding - T1132 (cc7b8c4e-9be0-47ca-b0bb-83915ec3ee2f) Attack Pattern Non-Standard Encoding - T1132.002 (d467bc38-284b-4a00-96ac-125f447799fc) Attack Pattern 2
Application Layer Protocol - T1071 (355be19c-ffc9-46d5-8d50-d6a036c675b6) Attack Pattern Web Protocols - T1071.001 (df8b2a25-8bdf-4856-953c-a04372b1c161) Attack Pattern 2