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
20-12-2022 15:05
Static task
static1
Behavioral task
behavioral1
Sample
3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
22 signatures
150 seconds
General
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Target
3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe
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Size
240KB
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MD5
16f2a01b02c6da1ffcd7bc3ee3ead870
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SHA1
919a2b1731346ecc435bb1fa41676b7073e260bf
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SHA256
3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3
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SHA512
c19f4fa5b8d8fa1d823865c7a4178f4f7a7fce6a802d2a1fb6b1e695924cc714e19155b703da557c55b600076487657b2b3cf1dccfe0b7308cf47a51809316a2
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SSDEEP
3072:CXJsK95Lu2AqRHR5v43DSLd23YKaQSIa1QerSZyNjd0FR7b/0OTQNHCDml:C9/LTAqRrEGY3pRJe9NjoMO2Ca
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/2912-133-0x00000000004F0000-0x00000000004F9000-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 39 1652 rundll32.exe 41 1652 rundll32.exe 56 1652 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 400 1443.exe -
Loads dropped DLL 1 IoCs
pid Process 1652 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1652 set thread context of 4340 1652 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 556 400 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 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe -
Checks processor information in registry 2 TTPs 22 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value enumerated \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 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Toolbar Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Process not Found -
Modifies registry class 30 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Process not Found Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e003100000000009455ce80100054656d7000003a0009000400efbe6b558a6c9455d2802e00000000000000000000000000000000000000000000000000f0c31001540065006d007000000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Process not Found -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1132 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2912 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe 2912 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found 1132 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1132 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2912 3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found Token: SeShutdownPrivilege 1132 Process not Found Token: SeCreatePagefilePrivilege 1132 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4340 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1132 Process not Found 1132 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1132 wrote to memory of 400 1132 Process not Found 88 PID 1132 wrote to memory of 400 1132 Process not Found 88 PID 1132 wrote to memory of 400 1132 Process not Found 88 PID 400 wrote to memory of 1652 400 1443.exe 89 PID 400 wrote to memory of 1652 400 1443.exe 89 PID 400 wrote to memory of 1652 400 1443.exe 89 PID 1652 wrote to memory of 4340 1652 rundll32.exe 92 PID 1652 wrote to memory of 4340 1652 rundll32.exe 92 PID 1652 wrote to memory of 4340 1652 rundll32.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe"C:\Users\Admin\AppData\Local\Temp\3568c4a4b7b1ffd2122e2f47f293dd05f766f0feb863447c22f492beba683ef3.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2912
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C:\Users\Admin\AppData\Local\Temp\1443.exeC:\Users\Admin\AppData\Local\Temp\1443.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:400 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp",Wufaiiuuye2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 141243⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:4340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 5282⤵
- Program crash
PID:556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 400 -ip 4001⤵PID:4296
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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:3140
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD53682fe20c6c44be67abd34723a4d197f
SHA1599f5376783a3c73bd8e65a40594625ffc6be1cc
SHA25696d2f563c6cd77e8621b375a58d580eeeb41f9d026340a0e392d545bfea660d5
SHA512b38f1b95c6ec3fc79cc438060f8fd27bee8489b779c693a62c9d00105b4a8494c0b181cb990c5ac1b1dc9ea8c4bc6be41ff0cae100d81ac3e7cebc5c06b1aeb6
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Filesize
1.1MB
MD53682fe20c6c44be67abd34723a4d197f
SHA1599f5376783a3c73bd8e65a40594625ffc6be1cc
SHA25696d2f563c6cd77e8621b375a58d580eeeb41f9d026340a0e392d545bfea660d5
SHA512b38f1b95c6ec3fc79cc438060f8fd27bee8489b779c693a62c9d00105b4a8494c0b181cb990c5ac1b1dc9ea8c4bc6be41ff0cae100d81ac3e7cebc5c06b1aeb6
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Filesize
797KB
MD524925b25552a7d8f1d3292071e545920
SHA1f786e1d40df30f6fed0301d60c823b655f2d6eac
SHA2569931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b
SHA512242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26
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Filesize
797KB
MD524925b25552a7d8f1d3292071e545920
SHA1f786e1d40df30f6fed0301d60c823b655f2d6eac
SHA2569931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b
SHA512242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26