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Analysis
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max time kernel
93s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/09/2024, 08:05
Static task
static1
Behavioral task
behavioral1
Sample
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
Resource
win10v2004-20240802-en
General
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Target
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
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Size
293KB
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MD5
849e7d206dc382c53e6b1947f55e7ada
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SHA1
82e990d981279f85c29e6bb0bcaff8f340685964
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SHA256
3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f
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SHA512
4c891fe3418ea839bf7b4610a5879432d83f5aad746aef3ceb5ff5c43e3ea01f0b0fcd820078f27a464c5e664dd62bc5bd73f1fbca519679cdf085143505d908
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SSDEEP
6144:+L3eSCmxdvcT6WUZJp1tQf+omj06nAP2mfAFyEO:sem/YU10KjAP2BFyEO
Malware Config
Extracted
vidar
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Signatures
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Detect Vidar Stealer 20 IoCs
resource yara_rule behavioral2/memory/552-4-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-11-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-9-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-25-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-26-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-42-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-43-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-59-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-60-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-84-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-85-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-92-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/552-93-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-139-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-143-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-142-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-152-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-153-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-168-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 behavioral2/memory/1192-169-0x0000000000400000-0x0000000000657000-memory.dmp family_vidar_v7 -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Executes dropped EXE 2 IoCs
pid Process 3740 CBFCFBFBFB.exe 3896 ECBGHCGCBK.exe -
Loads dropped DLL 2 IoCs
pid Process 552 RegAsm.exe 552 RegAsm.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1856 set thread context of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 3740 set thread context of 1468 3740 CBFCFBFBFB.exe 94 PID 3896 set thread context of 1192 3896 ECBGHCGCBK.exe 97 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CBFCFBFBFB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ECBGHCGCBK.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4868 timeout.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 552 RegAsm.exe 1192 RegAsm.exe 1192 RegAsm.exe 1192 RegAsm.exe 1192 RegAsm.exe -
Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 1856 wrote to memory of 552 1856 3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe 83 PID 552 wrote to memory of 3740 552 RegAsm.exe 91 PID 552 wrote to memory of 3740 552 RegAsm.exe 91 PID 552 wrote to memory of 3740 552 RegAsm.exe 91 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 3740 wrote to memory of 1468 3740 CBFCFBFBFB.exe 94 PID 552 wrote to memory of 3896 552 RegAsm.exe 95 PID 552 wrote to memory of 3896 552 RegAsm.exe 95 PID 552 wrote to memory of 3896 552 RegAsm.exe 95 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 3896 wrote to memory of 1192 3896 ECBGHCGCBK.exe 97 PID 552 wrote to memory of 3464 552 RegAsm.exe 98 PID 552 wrote to memory of 3464 552 RegAsm.exe 98 PID 552 wrote to memory of 3464 552 RegAsm.exe 98 PID 3464 wrote to memory of 4868 3464 cmd.exe 100 PID 3464 wrote to memory of 4868 3464 cmd.exe 100 PID 3464 wrote to memory of 4868 3464 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe"C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:552 -
C:\ProgramData\CBFCFBFBFB.exe"C:\ProgramData\CBFCFBFBFB.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
PID:1468
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C:\ProgramData\ECBGHCGCBK.exe"C:\ProgramData\ECBGHCGCBK.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"4⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1192
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JEHIIDGCFHIE" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4868
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
355KB
MD5731a25a9b1f2c31056f7bd75c71deac4
SHA1ac95005a75add78f8226e553ff3bb32bcfeef1ea
SHA256d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d
SHA512efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4
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Filesize
293KB
MD56d1999f1096cee3f06507e0d896d7c4a
SHA1947cde63e799d23622468caecd0172a4ce8e8c17
SHA2566f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c
SHA512eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1
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Filesize
160KB
MD5f310cf1ff562ae14449e0167a3e1fe46
SHA185c58afa9049467031c6c2b17f5c12ca73bb2788
SHA256e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855
SHA5121196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize2KB
MD5912f27bcbbbdd339d73baf2ecec184e7
SHA1de4c42adf7c06de811958807014887a4c0d41c95
SHA256ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2
SHA5123315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize2KB
MD59541342916b0c5b0ee2f6062398b867f
SHA146fc51b5aa29f366ef96946c16cbe9b7f67c9392
SHA256e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740
SHA512d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize1KB
MD59ea353ed4fed6ed641da2a1a1e66cbf3
SHA142cf55d3608819795042c23df5f18fcd2b6b0c58
SHA2565245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485
SHA5127476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE
Filesize458B
MD5b3835c9427ffde66e931c450a662c562
SHA1233f9bcc28c9d86554688fb2855aeb00020f4e21
SHA25613d56fdc617c04cf1fc6b6fa69bcbcb4162bd92ab19e8e711e8705227a3d4496
SHA512cad1be4004d49569a1b2fd65a2a912ef221e7612cfa940cc552cb9c7bd688d3f620ec56cb56c36be51f0bbf461ab103a923f037fe57591e84484f1044c1f9ea7
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
Filesize450B
MD502bd3bf43d1767b3d36d0774807865a5
SHA16df033c1ea2b129d18e8179e7e45c5f13e965267
SHA2569d3b421236116fa1ed39a434615ebf03410520e817fcc7caf3c54a6661d3988d
SHA512e048c835a9d5f383f9ca99271aac8165bab390e63b161bb8dc2672f4d618ee0e739c9ac30f9f115c9860a3cfae90ef1f569b751cd2977d065ca029eec085037f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D
Filesize458B
MD5adc72ca948c66550262bbbc52ed6649b
SHA18c88e2c6a4d903df2d883ad4ccf6e304bcb5c64c
SHA256fb45d1a0cba358912d7a16362758fbd4a1a8fab27ce4d9f2521276d0915147ca
SHA512e71eeae3b0c3748e40bdd88ae3cb32ba381d3963a799aa9593188b1727667d6c5ac33b1edfc6cf3acba173d9df898441a7d38ce3bb0121dfa4efbdb45a89fde0