Analysis
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max time kernel
143s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
13-06-2023 18:47
Static task
static1
Behavioral task
behavioral1
Sample
qbittorrent_4.5.3_x64_setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
qbittorrent_4.5.3_x64_setup.exe
Resource
win10v2004-20230220-en
General
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Target
qbittorrent_4.5.3_x64_setup.exe
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Size
31.5MB
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MD5
59950b6d52726702f8f868aa8492dc71
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SHA1
1ca7caf1192d0a4be0eb9cf8be44b79f2d08958d
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SHA256
99b0fce9fcf8f384b435f4d685536ff2e4150224ef0391c581588ba55e75a138
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SHA512
b5bf7c9e1a8f441cf101b6c3094cafc80c3649df5135acd531471c02e9bcb598b8b481d99a61ae333e45f73be29b54fa0b7766d9b9eb138a2e046f147ddbae90
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SSDEEP
786432:rfmX+yD1AXaUxBBeKus4SoaHC36aEDjb1fYNX:rfy+yBAVBIKu/+iqaAJQNX
Malware Config
Signatures
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Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
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Bazar/Team9 Loader payload 3 IoCs
Processes:
resource yara_rule C:\Program Files\qBittorrent\qbittorrent.exe BazarLoaderVar5 C:\Program Files\qBittorrent\qbittorrent.exe BazarLoaderVar5 C:\Program Files\qBittorrent\qbittorrent.exe BazarLoaderVar5 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
qbittorrent_4.5.3_x64_setup.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation qbittorrent_4.5.3_x64_setup.exe -
Executes dropped EXE 1 IoCs
Processes:
qbittorrent.exepid process 4812 qbittorrent.exe -
Loads dropped DLL 7 IoCs
Processes:
qbittorrent_4.5.3_x64_setup.exepid process 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe -
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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Drops file in Program Files directory 37 IoCs
Processes:
qbittorrent_4.5.3_x64_setup.exedescription ioc process File created C:\Program Files\qBittorrent\uninst.exe qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_ca.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_pt_BR.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_tr.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_da.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_es.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_fa.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_fi.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_ru.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\qbittorrent.exe qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\qt.conf qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_bg.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_sk.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_zh_TW.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_ar.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_de.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_he.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qt_gl.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qt_sv.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_lv.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_fr.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_ja.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qt_pt_PT.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_hu.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_it.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_pl.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_zh_CN.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qt_lt.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qt_sl.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_hr.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_ko.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_nl.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_nn.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_uk.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\qbittorrent.pdb qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_cs.qm qbittorrent_4.5.3_x64_setup.exe File created C:\Program Files\qBittorrent\translations\qtbase_gd.qm qbittorrent_4.5.3_x64_setup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 44 IoCs
Processes:
qbittorrent_4.5.3_x64_setup.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\DefaultIcon\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\",1" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\magnet\DefaultIcon qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\shell\open qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\shell\open\command\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\" \"%1\"" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\shell\open qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\shell\open\command\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\" \"%1\"" qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\.torrent\ = "qBittorrent" qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\.torrent\Content Type = "application/x-bittorrent" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.torrent\ = "qBittorrent" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\shell qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\shell\open\command qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\URL Protocol qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\shell\ = "open" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\shell\open\command qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\shell\open\command\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\" \"%1\"" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\qBittorrent\shell qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\qBittorrent\shell\open\command qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\URL Protocol qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.torrent\Content Type = "application/x-bittorrent" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\magnet qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\shell qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\qBittorrent qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\shell\ = "open" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\magnet qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\ = "URL:Magnet link" qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\DefaultIcon\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\",1" qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\shell\ = "open" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\qBittorrent\DefaultIcon qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\.torrent qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\FriendlyTypeName = "qBittorrent Torrent File" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\shell\open\command qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\Content Type = "application/x-magnet" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\magnet\shell\open\command qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\qBittorrent\ = "qBittorrent Torrent File" qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\ = "URL:Magnet link" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\Software\Classes\magnet\shell qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\shell qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\Content Type = "application/x-magnet" qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\DefaultIcon qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\magnet\shell\open qbittorrent_4.5.3_x64_setup.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000_Classes\.torrent qbittorrent_4.5.3_x64_setup.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\magnet\DefaultIcon\ = "\"C:\\Program Files\\qBittorrent\\qbittorrent.exe\",1" qbittorrent_4.5.3_x64_setup.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
qbittorrent.exepid process 4812 qbittorrent.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
qbittorrent_4.5.3_x64_setup.exepid process 4884 qbittorrent_4.5.3_x64_setup.exe 4884 qbittorrent_4.5.3_x64_setup.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
qbittorrent_4.5.3_x64_setup.exedescription pid process target process PID 4884 wrote to memory of 4812 4884 qbittorrent_4.5.3_x64_setup.exe qbittorrent.exe PID 4884 wrote to memory of 4812 4884 qbittorrent_4.5.3_x64_setup.exe qbittorrent.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.3_x64_setup.exe"C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.3_x64_setup.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Program Files\qBittorrent\qbittorrent.exe"C:\Program Files\qBittorrent\qbittorrent.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
PID:4812
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
28.5MB
MD5454f27cbdd4f8d104e7f8f3dac1ac08a
SHA1799eb991805ff0c3dc4e1cb5a85102e660e2988e
SHA25610228af0155d3a41777dd4006a610fc01786ffecdf631b6e402c40883788ffb5
SHA51252ab91c3e1300c4aaaaa4c65169e951cceb6438bfd2f69dcb277373dd5257e8dfe35101b60440820ae3130f9ee3a3cc59f1210e92e4d656f0541418dee514aee
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Filesize
28.5MB
MD5454f27cbdd4f8d104e7f8f3dac1ac08a
SHA1799eb991805ff0c3dc4e1cb5a85102e660e2988e
SHA25610228af0155d3a41777dd4006a610fc01786ffecdf631b6e402c40883788ffb5
SHA51252ab91c3e1300c4aaaaa4c65169e951cceb6438bfd2f69dcb277373dd5257e8dfe35101b60440820ae3130f9ee3a3cc59f1210e92e4d656f0541418dee514aee
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Filesize
28.5MB
MD5454f27cbdd4f8d104e7f8f3dac1ac08a
SHA1799eb991805ff0c3dc4e1cb5a85102e660e2988e
SHA25610228af0155d3a41777dd4006a610fc01786ffecdf631b6e402c40883788ffb5
SHA51252ab91c3e1300c4aaaaa4c65169e951cceb6438bfd2f69dcb277373dd5257e8dfe35101b60440820ae3130f9ee3a3cc59f1210e92e4d656f0541418dee514aee
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Filesize
84B
MD5af7f56a63958401da8bea1f5e419b2af
SHA1f66ee8779ca6d570dea22fe34ef8600e5d3c5f38
SHA256fdb8fa58a6ffc14771ca2b1ef6438061a6cba638594d76d9021b91e755d030d3
SHA51202f70ca7f1291b25402989be74408eb82343ab500e15e4ac22fbc7162eb9230cd7061eaa7e34acf69962b57ed0827f51ceaf0fa63da3154b53469c7b7511d23d
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Filesize
3KB
MD5b4faf654de4284a89eaf7d073e4e1e63
SHA18efcfd1ca648e942cbffd27af429784b7fcf514b
SHA256c0948b2ec36a69f82c08935fac4b212238b6792694f009b93b4bdb478c4f26e3
SHA512eef31e332be859cf2a64c928bf3b96442f36fe51f1a372c5628264a0d4b2fc7b3e670323c8fb5ffa72db995b8924da2555198e7de7b4f549d9e0f9e6dbb6b388
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Filesize
5KB
MD568b287f4067ba013e34a1339afdb1ea8
SHA145ad585b3cc8e5a6af7b68f5d8269c97992130b3
SHA25618e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
SHA51206c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
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Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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Filesize
14KB
MD5adb29e6b186daa765dc750128649b63d
SHA1160cbdc4cb0ac2c142d361df138c537aa7e708c9
SHA2562f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
SHA512b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
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Filesize
25KB
MD5cbe40fd2b1ec96daedc65da172d90022
SHA1366c216220aa4329dff6c485fd0e9b0f4f0a7944
SHA2563ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
SHA51262990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63
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Filesize
9KB
MD56c3f8c94d0727894d706940a8a980543
SHA10d1bcad901be377f38d579aafc0c41c0ef8dcefd
SHA25656b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
SHA5122094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
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Filesize
8KB
MD5f5bf81a102de52a4add21b8a367e54e0
SHA1cf1e76ffe4a3ecd4dad453112afd33624f16751c
SHA25653be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
SHA5126e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256
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Filesize
8KB
MD5f5bf81a102de52a4add21b8a367e54e0
SHA1cf1e76ffe4a3ecd4dad453112afd33624f16751c
SHA25653be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
SHA5126e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256
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Filesize
8KB
MD5f5bf81a102de52a4add21b8a367e54e0
SHA1cf1e76ffe4a3ecd4dad453112afd33624f16751c
SHA25653be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
SHA5126e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256