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Analysis
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max time kernel
133s -
max time network
137s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
11/09/2024, 15:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
FL Cloud mastering Windows.exe
Resource
win7-20240903-en
windows7-x64
1 signatures
150 seconds
Behavioral task
behavioral2
Sample
FL Cloud mastering Windows.exe
Resource
win10-20240404-en
windows10-1703-x64
12 signatures
150 seconds
General
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Target
FL Cloud mastering Windows.exe
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Size
31.1MB
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MD5
4e777bb75a97ac5478dab6dd3e56c277
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SHA1
d714e1cc1357d3cccf8a1d6bf7a35c4661209b6a
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SHA256
46e04464e055963a0624d377f265f01cabb04edbc1fbf881c71b63c81ea57bc6
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SHA512
e46199ea04dee5fd96cddb73fd8c9ef309739ac5e61243af46bcf0b43b0785d1eb213d11a2123f032082b062971cb80754c01e0960b7a7631880e8d24e587db9
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SSDEEP
786432:gEXpxS5bqEvrQiAkdmp4rzFY2ju32NWD2uEr9eJzn/05:gEXpqmEvUnp4BM2NWDGQ1c5
Score
4/10
Malware Config
Signatures
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Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1601268389\715946058.pri taskmgr.exe File created C:\Windows\rescache\_merged\4183903823\2290032291.pri taskmgr.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 FL Cloud mastering Windows.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe -
Checks processor information in registry 2 TTPs 8 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\Update Signature firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz firefox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier firefox.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 firefox.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000_Classes\Local Settings firefox.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 648 taskmgr.exe Token: SeSystemProfilePrivilege 648 taskmgr.exe Token: SeCreateGlobalPrivilege 648 taskmgr.exe Token: 33 648 taskmgr.exe Token: SeIncBasePriorityPrivilege 648 taskmgr.exe Token: SeDebugPrivilege 4492 firefox.exe Token: SeDebugPrivilege 4492 firefox.exe -
Suspicious use of FindShellTrayWindow 42 IoCs
pid Process 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 4492 firefox.exe 4492 firefox.exe 4492 firefox.exe 4492 firefox.exe -
Suspicious use of SendNotifyMessage 41 IoCs
pid Process 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 648 taskmgr.exe 4492 firefox.exe 4492 firefox.exe 4492 firefox.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4492 firefox.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4588 wrote to memory of 4492 4588 firefox.exe 76 PID 4492 wrote to memory of 3340 4492 firefox.exe 77 PID 4492 wrote to memory of 3340 4492 firefox.exe 77 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 3500 4492 firefox.exe 78 PID 4492 wrote to memory of 4324 4492 firefox.exe 79 PID 4492 wrote to memory of 4324 4492 firefox.exe 79 PID 4492 wrote to memory of 4324 4492 firefox.exe 79 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\FL Cloud mastering Windows.exe"C:\Users\Admin\AppData\Local\Temp\FL Cloud mastering Windows.exe"1⤵
- System Location Discovery: System Language Discovery
PID:3152
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:648
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4588 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe"2⤵
- Checks processor information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.0.1769587893\1999726018" -parentBuildID 20221007134813 -prefsHandle 1700 -prefMapHandle 1692 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {975983d9-1396-4553-8b4c-c88336104ffd} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 1780 2229a1d4e58 gpu3⤵PID:3340
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.1.1893268124\1858679353" -parentBuildID 20221007134813 -prefsHandle 2124 -prefMapHandle 2120 -prefsLen 20828 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {581f5255-76e8-4be4-bd3b-f0e16c30323c} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 2136 2229a10c058 socket3⤵
- Checks processor information in registry
PID:3500
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.2.1372622273\742123113" -childID 1 -isForBrowser -prefsHandle 2688 -prefMapHandle 2624 -prefsLen 20866 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {0cd87b13-2d36-49b9-b28e-21ade8568d46} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 2912 2229e39e358 tab3⤵PID:4324
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.3.927240993\938747080" -childID 2 -isForBrowser -prefsHandle 3380 -prefMapHandle 3384 -prefsLen 26109 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {2c1f92d9-0453-4355-9736-76d2e8983441} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 3396 22287e64158 tab3⤵PID:744
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.4.1137479987\709234806" -childID 3 -isForBrowser -prefsHandle 4396 -prefMapHandle 4392 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7e22ecc7-9d64-4a23-93bc-ac5b2367c1b9} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 4404 222a0545758 tab3⤵PID:3124
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.5.953200713\121193490" -childID 4 -isForBrowser -prefsHandle 4832 -prefMapHandle 4828 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a0d7fc80-f97c-4689-9948-187f166640d9} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 4840 222a073ee58 tab3⤵PID:660
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.6.580541966\1646302907" -childID 5 -isForBrowser -prefsHandle 4976 -prefMapHandle 4980 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {195828e0-7b73-4b7f-bc98-e142b1807619} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 4968 222a0e86258 tab3⤵PID:4480
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C:\Program Files\Mozilla Firefox\firefox.exe"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4492.7.1892855755\708349557" -childID 6 -isForBrowser -prefsHandle 5148 -prefMapHandle 5152 -prefsLen 26168 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3a55d962-244f-42ba-bd45-72505696afd6} 4492 "\\.\pipe\gecko-crash-server-pipe.4492" 5140 222a0e86558 tab3⤵PID:3272
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\datareporting\glean\db\data.safe.bin
Filesize2KB
MD50bd9821581ee22e71b03156a33986aa8
SHA11086a8c3b86bb970925c5acc8ff5f281d60b5fb3
SHA256550dc23e4e38b49ff91c0007bfe056b9863191fe2939aad74451ebe05d89b3e8
SHA512dbf5ce33e6a99ab62ba7ce0a9a71cf8ff5f2590b4ab83b4b1d0e34b5f421638abf94b6bedb00244ddbecf4f55397caa0a3f7b552c881cb6dc3d99f9f873e6400
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\datareporting\glean\pending_pings\5be4b062-5d23-4ac7-be6a-eae5e06996bc
Filesize10KB
MD529dd0f487f5b1d62753afb359b6a6b1e
SHA17d9f2022075d1b571a9f4ced10a6f58a6cbaa6de
SHA2567432bde8ef3725d809b06a16b01ee63c54804521d01dbf141a8196bf0db7a17d
SHA512d1295704e93e134c605114e8ddccce1ce9ccaa33db92a89892348b954371f9fc6a8f778319ed37c883a576330a78b913a61c8e44d13543e9c26592d5aba2e9b3
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\datareporting\glean\pending_pings\db34e7c8-67bc-4ab3-990d-dcd9b0553d90
Filesize746B
MD5b6d4983fd3df9fd765284cee523ea20d
SHA16d0286680db9af264652eb228a6b89914ebcd933
SHA256201385bf2bc8eb20bb8e8b09e6498a0688c0f6dee9711e527856eda62a9dee66
SHA512c322d586d44a5ccb549057f738973cabd078fa7d9d4052e03658de0fd17c4e3ae68b89e0203283155f25a9b27abbc7a277cf868673ac202f7c1bcced2319bc60
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Filesize
6KB
MD51782003212e830c7242d67d2e4851b81
SHA1b7133c12d2401147df9084b005fc97a43f796137
SHA256f4ccd1d00553c0143da91280d31c01bfd97b2846073e9c4a43566aefe4a6ef04
SHA5125c3327892fbd58355747ab906d551f58e7f95df3abe1d9a004b9953f03ad0acc03148518b0f25be88a331179279a9b50225bc1c6842ae64b71bee8eb17a34ccc
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C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wjyk7j4u.default-release\sessionstore.jsonlz4
Filesize885B
MD5759aa83798382970918afe364ce00b2d
SHA15a5f0fd4084d7ce02748a1b610f70b1686c584c5
SHA256b5e85e0a75ead13e261a7ceb21de2ea8a29d940250fb6de7e658be3ec3c94a8a
SHA512231f9f04c618f5bc73e9c7b6a1993f3aa7a126594d5c581221b649981d96ce3cb936d8cca6933016095e5cf28a72a210aec9ff070e6797a1a1bbc444768ceb52