Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2022, 10:50
Static task
static1
General
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Target
82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe
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Size
311KB
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MD5
4d10dd0618309f40ecd7ec4a1363b4b3
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SHA1
6e06c238c064950fed2be8d81e582aad21b3e6d8
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SHA256
82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c
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SHA512
dde5f5248f2200e18bcb751e74a970b0822449dcc578ef4b4988521a35edac4bca059c2fd5ea4e456381e1a73daae108626e1942f000dcf7d92056a23ebd1b2d
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SSDEEP
6144:zs7LQk583d2N9COM0QkOmuF9H4rWlRjO1n:z48k583d2rm0QkOErW9u
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/4620-133-0x00000000004D0000-0x00000000004D9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 3 IoCs
flow pid Process 38 3180 rundll32.exe 41 3180 rundll32.exe 55 3180 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3224 FD7F.exe -
Loads dropped DLL 1 IoCs
pid Process 3180 rundll32.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3180 set thread context of 4472 3180 rundll32.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 4872 3224 WerFault.exe 88 -
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 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe -
Checks processor information in registry 2 TTPs 17 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 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Internet Explorer\Toolbar Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Process not Found -
Modifies registry class 30 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e0031000000000093555c5e100054656d7000003a0009000400efbe6b55586c9355635e2e0000000000000000000000000000000000000000000000000063b5e400540065006d007000000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Process not Found Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Process not Found -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2644 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4620 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe 4620 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4620 82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found Token: SeShutdownPrivilege 2644 Process not Found Token: SeCreatePagefilePrivilege 2644 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4472 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2644 Process not Found 2644 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2644 wrote to memory of 3224 2644 Process not Found 88 PID 2644 wrote to memory of 3224 2644 Process not Found 88 PID 2644 wrote to memory of 3224 2644 Process not Found 88 PID 3224 wrote to memory of 3180 3224 FD7F.exe 89 PID 3224 wrote to memory of 3180 3224 FD7F.exe 89 PID 3224 wrote to memory of 3180 3224 FD7F.exe 89 PID 3180 wrote to memory of 4472 3180 rundll32.exe 92 PID 3180 wrote to memory of 4472 3180 rundll32.exe 92 PID 3180 wrote to memory of 4472 3180 rundll32.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe"C:\Users\Admin\AppData\Local\Temp\82995b3b6525ad11ac24198aa0e7adcb445997351d07c60bbdfac5a26ac7107c.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4620
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C:\Users\Admin\AppData\Local\Temp\FD7F.exeC:\Users\Admin\AppData\Local\Temp\FD7F.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Ipoetwsuqhd.tmp",Sufeidweoe2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 239793⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:4472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 5322⤵
- Program crash
PID:4872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3224 -ip 32241⤵PID:204
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:3852
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5bf8c7929bc3f4fad1da578dd2b73cc0d
SHA1716a6662f38f3ebb7b2081cf620fc2bf58b4d21e
SHA256aa123ff84c9fc24ff4fd58d0b5796b6b176976774b877efd9ec1c8263e87b08f
SHA512afbc94473c1518114649de98a7fedfb24f842beb98a6129611850c93190467bc117552022b9ad678cb4138995c1c0ce0cfdb27010b6825c9b4bc1847d920e9ab
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Filesize
1.1MB
MD5bf8c7929bc3f4fad1da578dd2b73cc0d
SHA1716a6662f38f3ebb7b2081cf620fc2bf58b4d21e
SHA256aa123ff84c9fc24ff4fd58d0b5796b6b176976774b877efd9ec1c8263e87b08f
SHA512afbc94473c1518114649de98a7fedfb24f842beb98a6129611850c93190467bc117552022b9ad678cb4138995c1c0ce0cfdb27010b6825c9b4bc1847d920e9ab
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Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741
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Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741