Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
13/08/2026, 16:14
Behavioral task
behavioral1
Sample
93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe
- Size 13.3MB
- Sample260813-tpvpbaca82
- SHA256 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d
- MD5 2f82ff38511732e425252d9c73ce01c2
- SHA1 67d2d90c2e0b47aa9be251db23b237299939cc1f
- SHA512 803f948451a81eb1067bda48adb8e1824a00a3ca4f0b1025e43615103b09ec1ba8809c3ab7e8989022f2bf9a61328319d9d68b646d01936381e6b591e1108575
- SSDEEP 393216:LcY9cIxy1xs2V3DESE8injTWJkhMgiyVnfeJI3kGT:5JxUWc3DE98EPWJkhMgicfoqkk
- TLSH T1F5E6233BF28FA43EE06A593636B69111493B7A2164138C0796ECF88CCF655711E3E787
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4944 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp 1480 letsflutssh.exe - Loads dropped DLL 9 IoCs
pid Process 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe 1480 letsflutssh.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp - Inno Setup is an open-source installation builder for Windows applications. 3 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/5164-0-0x00000000000F0000-0x00000000001D9000-memory.dmp innosetup behavioral2/memory/5164-8-0x00000000000F0000-0x00000000001D9000-memory.dmp innosetup behavioral2/memory/5164-98-0x00000000000F0000-0x00000000001D9000-memory.dmp innosetup - Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\shell\open\command 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\shell 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\shell\open 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Programs\\LetsFLUTssh\\letsflutssh.exe\" \"%1\"" 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\ = "URL:LetsFLUTssh Protocol" 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\letsflutssh\URL Protocol 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4944 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp 4944 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4944 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1480 letsflutssh.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5164 wrote to memory of 4944 5164 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe 89 PID 4944 wrote to memory of 1480 4944 93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe"C:\Users\Admin\AppData\Local\Temp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5164 -
C:\Users\Admin\AppData\Local\Temp\is-M4DNPPZTDO.tmp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp"C:\Users\Admin\AppData\Local\Temp\is-M4DNPPZTDO.tmp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp" /SL5="$400A0,12701517,893952,C:\Users\Admin\AppData\Local\Temp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe"C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1480
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\app_links_plugin.dll
- Size 136KB
- SHA256 10eeecaa0ddaf9bb024ef832a12978e0a13d621a722ffe3a44ffd84e8887bd9f
- MD5 1d24a218e5b8abed05a7d2a427f16bc2
- SHA1 2b9da3a7c87b42916dca1998f71e59a404e8804b
- SHA512 4b125d99fa5c7a2e8c9d0088d0ab0bdf261f0feb71ae46753653004eee7b35124711923d441df0b84bf78d80c817f2ddde95376cb4b71d54f37e0a22a6935969
- SSDEEP 3072:ATZB3vnv6YEQa6nhiCKk02nhMpZdTdcCS9GTcmSEC:ATZB3Pv6YEQa6U2nhMpZdTdcClTcmSE
- TLSH T138D36D2BF71940A7E25AC07CCA534945EBB2B8910BA197CF17500B9B1F27BE85E7E311
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\app.so
- Size 11.4MB
- SHA256 3fdd753bd905526b910b36fd19ae3f03bdeb8aba6f0e83efdab49fe7cf2aef8f
- MD5 f4f6db58f9f079705112f21f143fd85f
- SHA1 73a935be28d2aebd03436d5f10f2a877c6c641d0
- SHA512 f55c5f9768ed5e251ac87dcb64c6b81ff1fdf181e1bbd1f5c25580725e70904f2d3756633f173cf2fcc9c7ef9193a3c7f3a5278d16ea744d0bb8a5d2c0608b00
- SSDEEP 98304:38hOdlq5+5Tgfq2UnNnfN+Jx2Rf2hekQYd66n3:YIlu+Wfq2Un1F+JxuOhefqDn3
- TLSH T1A4C60957D0A84760E872E772F75F66A96E147CCD8E30774A06C85A253D87CE09BCE232
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\FontManifest.json
- Size 227B
- SHA256 6860c5ad3b9a3b9e46e661149d18a558098b6e115189d0ca6ef38a1e69e9e190
- MD5 08cbe0cd818d4500355fbf0497b57aba
- SHA1 35d1368163ded2315c463cf912c15e4c352f4b7c
- SHA512 4986bf9195c0566b987e87617a7eb4332766f1ef09d87eb69edb5ea7e245b93b97a1524f7d74633d700d0bee57aa06329c2306a5612401694aaeb8c04f8cce92
- TLSH T1C8D05E1F442A0AF6608DA88AF0A7209274541A5B324EF85ED6721AB4A6FA2101338367
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\NativeAssetsManifest.json
- Size 133B
- SHA256 81edc7faa6975fec4a647e9c82237ef9e0aaeaa66d37d5b4f785b383c25ed3a1
- MD5 6dbc2bc71f3e9b8e8bd3f33ed06ed60d
- SHA1 c0f33085a2e00fdf38fc4152750f43d3b351221d
- SHA512 4eceb5ce5c083324673b832151098f142856f66769b1360ecf4a6447a9d561acb29473877211c52aef7035b8ecb94572f3ca8f125ed182b27a473bbaff397837
- TLSH T195C02B96C2000B7134C91B06E8091AC0025D3260E8722CAC05E0410C1F0050EC1100A0
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\assets\fonts\Inter.ttf
- Size 856KB
- SHA256 29160a80ff49ddcab2c97711247e08b1fab27a484a329ce8b813d820dc559031
- MD5 bff0f6e3b9e2259a28313168a907054f
- SHA1 97d4f3722d62c6cc5340bf6220ada3d64ca367b1
- SHA512 3b71d2ca0b0b7649d939f982fe5b973c913c4b0a89e1b07ea6b8b1fcf5f8c8f25b5cf293936f936b1e8b43831ea976bd82151cd0ad0d2847b254f6a3ac0b7f9c
- SSDEEP 24576:PY598csuuuPz2iKeRpz6iruEOwRy+4FFhex:PYv8cB2iKeRpz6iar9FU
- TLSH T136158D53F682CF5AC259273486B30B9962395871FF17030F596A33B8BE933E1694D6E0
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\assets\fonts\JetBrainsMono.ttf
- Size 182KB
- SHA256 48715a42ec242c21e9f02692891e147d022299a52e48d5e413e1a942193ffeda
- MD5 4d05bb0e4a6903fc39fac52353f8e3d9
- SHA1 bef242b36d905170007caed53cd6a07775dbfb82
- SHA512 ab86200329c5226484c00dd79ac49b8994c91f75fa7c4ca146b30d4c9b9b2589af44a6d1a61040d14bb624ab7f16dd0f967dae15ce3b24e59158f794ee857f54
- SSDEEP 3072:MPAeM5+k8l01xgr6+eXl6OYHjH8NWIt5lEa2EvUGxFmbx6y:MPAeM5+k8q1xf+gs/HjHcfEalcoKx6y
- TLSH T16E04494AD35B9EA1C0231B7843A63F76A371A727779B2347180CAD259D873FC4C69287
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\fonts\MaterialIcons-Regular.otf
- Size 1.6MB
- SHA256 d9865b671a09d683d13a863089d8825e0f61a37696ce5d7d448bc8023aa62453
- MD5 e7069dfd19b331be16bed984668fe080
- SHA1 fc25284ee3d0aaa75ec5fc8e4fd96926157ed8c4
- SHA512 27d9662a22c3e9fe66c261c45bf309e81be7a738ae5dc5b07ad90d207d9901785f3f11dc227c75ca683186b4553b0aa5a621f541c039475b0f032b7688aaa484
- SSDEEP 24576:PsSIRolMKvGXtkXKLkMp2fXrNsAxI6zD2/qxDoq4eeeDrG2eOeGr2lkzhlTMrRoV:P9njdzbwc9
- TLSH T1787529100276EF4CC1EF507D43B74A48F4C59AFEA53ABB1AF9B64795220BDBDA1C8181
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\icudtl.dat
- Size 842KB
- SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
- MD5 018361032ba13dfeab636138ab6b9831
- SHA1 8f9c259d3a330786ab8bbd49e7e79abfa1d552ed
- SHA512 d7d3fffb41576cf2c90cd260727cc0ea23c5a4c458f84b01426c2a4578004b94168047c7282222e9ffade2f082e189cf167146cc3303bd7dbbb252a593236967
- SSDEEP 12288:8Mlhw771h0jM7ykPG07rr4c8w0P4N48Rkjt3dPHz982VYhq:Zhw3zVtjLbGu4RjTPHzMhq
- TLSH T199056A17B0435E6FE0C48277C652E7B65637838DEB3317EAB698B5593E8A1C20241BCD
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\desktop_drop_plugin.dll
- Size 89KB
- SHA256 ca81e4ab2531e32d557c3257cf7242ed51ff73a2f59c1cfc7a5ac6cd3bdfeb1f
- MD5 2c9c2a58d45db2c6aa0219e6b103146b
- SHA1 ec4fa8957f4c65b4dba790d998d6594fc74d28a6
- SHA512 1fc3179b7931e11f229266ce5ef07646327566906cd36774b13ef22957a0a5ea4b599a88e68bb3181db7f0fe917246f96b0714c11f4087cfdf3b54bb0869fee9
- SSDEEP 1536:4EW7xlP7o6D3zx7HhRkQKZBTh2bbMEkHnmoZnvAPzvlpCiIAY:4EWTTo6JTh1g8bMJmIvAPzvlpCiM
- TLSH T114933A3BEA5D50ABE269C47CCA438911D772BC854791ABCF57900ADB0E67BE44F3E201
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\flutter_secure_storage_windows_plugin.dll
- Size 156KB
- SHA256 831a3e081fa8fd8034a02cd1914686432d3c6453a5194162d5b3671e880428dd
- MD5 86bf85ab75c0fd6809b0542f24de5a38
- SHA1 425e3dd3907c2021c3b407ab407d4d7a8766f6ae
- SHA512 e24041b9cf4e4236a00ccc2b566fb25f44765437f02d9c224c72662e0cfcab31acbd5d6f950678dfa923aa2a4f21954d50a29ddc75b62325d6744bbc14d05464
- SSDEEP 3072:uMP4x3HBzqTbtJ0KXx0M57x2UoD6q4mWi4ggFeDTSDMAWrd4Nb0s:tP4ZHBW1J0KXeM57xq6q7cDMAm4Nb0s
- TLSH T137F33C27B759007AD266C1BCCA934A46E7737C85076197CF07914ABA0F27BE86F3E211
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\flutter_windows.dll
- Size 19.8MB
- SHA256 d11221cbdf328ab47e50315e3171ee9a00f2387cf3f6302a6717475620cbe7f0
- MD5 a5fdea31aca8a14c5fa9ed5c5a910f5c
- SHA1 e30cd219d79f9fb11f3d86a282af940fb47a67e1
- SHA512 afa2956044a6e781e4955ad35868660616df78e99ab928a8a7432d198f42d24f4defeed6fbb45498380234f59eb2bd133ce5ea121d1a268a7d06cc3bd16e32df
- SSDEEP 98304:iPe71P0UiyfxPUBJt4D5hrwgRk244TtFkJp7KYx8m3aIw3v8sDM0p1Vw3/tJjkaU:i+CYrwgRPLYFUZw3vjRfIS5XzX/I
- TLSH T10B276B03F29640EDC459E178971BAA23F671B8490720BADF27584B223F66FE05B3E754
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe
- Size 127KB
- SHA256 7418b326e413147ac9113671e03ee593169472e01b29641bdecb1baa8f87ca56
- MD5 c4aa64a133e7ba8f7f01d6ed56516dd9
- SHA1 22b69bbdafd29b77d4a5a8cf96328a3882445747
- SHA512 c462bdebaf996a175d5b41a9c27f61b38178d6aba7ef31c7d0484deb64afb87684d06659fe4d4a2cb78880141abf6955ee1cab6ca8d472e9d8f85b5eb7aa4134
- SSDEEP 3072:lBW2uJYHM6Zb3x3pOWyz3zHSxHT51piQ/cUMNXWgOtQm:lBW2KYHM61x3pOWyz3TSxYQ/cUIf
- TLSH T12BD3BF57EE1691EBD35D8D78CD534506CA72BC864BA1A6CF4B400EE70E52BE0AF7D202
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\local_auth_windows_plugin.dll
- Size 173KB
- SHA256 578a06e8477bab8dc3361a208e61742222f7f6e927cbd0ac4d3a6e444712fe21
- MD5 a93da290014cbba388f4053d146a862d
- SHA1 914f30e49516a02b74681a41cc60e2f5fcf40881
- SHA512 be0b54d78a31e43d18d626c12beeda1e1d1dc918edf21f2f05d02e41de614b0479321c250a8182144583636c3f5eacf4eb03b9c0a0a57587385921e55080bde2
- SSDEEP 3072:mPaVBRmBn2ZVwa27ZaB16uW2+zh/08ZueeMfN5kuxNd82UN:myVBRmBn1w16ukeMfN5kuxNd82u
- TLSH T18F045A5BB7AD4093E17AD13CCD438909E772B4A51BA097CB27504BBB1E27BD89E3D240
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\url_launcher_windows_plugin.dll
- Size 96KB
- SHA256 8452b85ca2ff3d312eb677817919e4c6577f09957ca0ee99edaa477e7f414443
- MD5 98b3ec1bfbab85652b1c51a5eceb4c9d
- SHA1 5e8b8190a6555e8c9ba8f0e288c2a26f85a86ccf
- SHA512 1e446bbd3c541a29427c5b96003b912beb4e481b87d6c4148da953637b6be4076530e8915e5cd7f4d41aa766ee4fbc40a92e0bcc5360385ff55ac6804a44f25a
- SSDEEP 1536:ZGpZRNr942MEIxKj2a66rzCiVB2JN9LBwdIBBaM8xVHivjigb:Zkvr942MPa6n7nhBsM8xVHivj
- TLSH T193A3393BAB1D10ABD269D4BCCA534941DB72BC854791A7CF57A00ADB0F27BE44E3E601
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\is-M4DNPPZTDO.tmp\93edcb1e58367c894a366afca0765751e3c9730011f7223745ffbefbfc731e5d.tmp
- Size 4.2MB
- SHA256 5c14b59718d0ea8f5451f055286ed413b85120774dc7d96df9834fa3eefe0f30
- MD5 5be0e569cf5c1c9472bb41d88c2a8db2
- SHA1 fbc74b48427480558be518c224816577d93d70e8
- SHA512 6c0f5106240a5fe1ad89a46b8ffb5d1f3f03d43561533068d64f9a34dcd3dc5a08ac76aeafe3d5bea9edb8dc43fd4b989157ba6dd03eb969c073f1aa57a5f494
- SSDEEP 98304:5YU5hnuOajWwMPdCpepI3GrwrA+Js333Pv:7xuHjWfZIzev
- TLSH T10F268F03F388753EE4571A3A583FA280983F7A213915CD4B6BFC295C8F396416D2A797
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\com.llloooggg\LetsFLUTssh\flutter_secure_storage.dat
- Size 230B
- SHA256 319277171014559165d9578a96d148f144ea71bc6651544a3c5dc368775227dc
- MD5 b5f1b33a10949a23e852aa11c8f5c9de
- SHA1 335d12911ed15e348355ec39968d32e420c5465d
- SHA512 ab9bd76961f721af9ff1c7dc8a322d54c870b2585df4cfd63870943bae1f2a9b3dd148d9c3f7a9f5eff006a08fa8dc5e03f26d07d4433a9cf32cab6ad43ee5a1
- TLSH T14DD0234C5453D6F7C574CE78DECB64B45580CC6C5577C535AC09539C14533C04D34B51
- MD5 SHA1 SHA512 TLSH