Analysis
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max time kernel
151s -
max time network
129s -
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 17:34
Static task
static1
Behavioral task
behavioral1
Sample
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe
Resource
win10v2004-20221111-en
General
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Target
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe
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Size
307KB
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MD5
004929ff3e100389624575332e1bf031
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SHA1
8a081920bdb38fdc34a31fc5654af1cea7b44e20
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SHA256
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d
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SHA512
0ddb2aab9812e4e239b8cd60c2a50546c7881eff9441e8b194e42a4900ad10f29ed77e3b2d007d1af65397659f85d3e353e30b0f19d4e7ed1e1aa388b6509876
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SSDEEP
6144:gr4dDL4UsLn4jrRtKzE6KA2/YML3FZ0iPvzpQ6rFiaI:g6sUsyuEYs3XxnzpQ6rF
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2072-133-0x0000000000510000-0x0000000000519000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 43 3720 rundll32.exe 45 3720 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
F1A8.exepid process 2884 F1A8.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 3720 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 3720 set thread context of 3504 3720 rundll32.exe rundll32.exe -
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
Processes:
WerFault.exepid pid_target process target process 1824 2884 WerFault.exe F1A8.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe -
Checks processor information in registry 2 TTPs 27 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process 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\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 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\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information 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\1\~MHz rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString 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\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\1\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\Identifier 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\Platform Specific Field 1 rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz rundll32.exe -
Processes:
description ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Toolbar Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" -
Modifies registry class 30 IoCs
Processes:
rundll32.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e0031000000000093556194100054656d7000003a0009000400efbe6b557d6c935566942e00000000000000000000000000000000000000000000000000c5202f00540065006d007000000014000000 Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
pid process 2096 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exepid process 2072 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe 2072 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 2096 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2096 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exepid process 2072 5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe -
Suspicious use of AdjustPrivilegeToken 22 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 Token: SeShutdownPrivilege 2096 Token: SeCreatePagefilePrivilege 2096 -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
rundll32.exepid process 3504 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
pid process 2096 2096 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
F1A8.exerundll32.exedescription pid process target process PID 2096 wrote to memory of 2884 2096 F1A8.exe PID 2096 wrote to memory of 2884 2096 F1A8.exe PID 2096 wrote to memory of 2884 2096 F1A8.exe PID 2884 wrote to memory of 3720 2884 F1A8.exe rundll32.exe PID 2884 wrote to memory of 3720 2884 F1A8.exe rundll32.exe PID 2884 wrote to memory of 3720 2884 F1A8.exe rundll32.exe PID 3720 wrote to memory of 3504 3720 rundll32.exe rundll32.exe PID 3720 wrote to memory of 3504 3720 rundll32.exe rundll32.exe PID 3720 wrote to memory of 3504 3720 rundll32.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe"C:\Users\Admin\AppData\Local\Temp\5022d95f9df8cab8b9ef3f2447a8fbece4469db566bb6bd5670a8684481b680d.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2072
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C:\Users\Admin\AppData\Local\Temp\F1A8.exeC:\Users\Admin\AppData\Local\Temp\F1A8.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2884 -
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:3720 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 239493⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 5562⤵
- Program crash
PID:1824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2884 -ip 28841⤵PID:964
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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:4372
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5c77f7ab9095e1d60a691dd52b1a13ae5
SHA17d921fd94bee82a34ce3ed90305e13f09a2c0412
SHA2561534a653fc466128c10c60f8bd8205a212fc9caaa4b72961610b998300049841
SHA512f1e11f7f87f8b1cf2902a254b9f9b6ea2c05794b602fa457f61682aa07bd546aa695986a4b103d89ef6f828b9b301642d7005ca5806bc6f4a45128cf3b20a674
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Filesize
1.1MB
MD5c77f7ab9095e1d60a691dd52b1a13ae5
SHA17d921fd94bee82a34ce3ed90305e13f09a2c0412
SHA2561534a653fc466128c10c60f8bd8205a212fc9caaa4b72961610b998300049841
SHA512f1e11f7f87f8b1cf2902a254b9f9b6ea2c05794b602fa457f61682aa07bd546aa695986a4b103d89ef6f828b9b301642d7005ca5806bc6f4a45128cf3b20a674
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Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741
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Filesize
726KB
MD56ea8a6cc5fed6c664df1b3ef7c56b55d
SHA16b244d708706441095ae97294928967ddf28432b
SHA2562c7500ac5ebb0116e640747b8a5f0a2648f7d2f5f516ebb398b864cccc626fbe
SHA5124a328a66df407e4c9fa230287104771ea3b5dd8265d60314797426101a8be19d13bc57de2388f0f90b20ada82d950e156ef4267c029080a6254b80eefd8b8741