Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/12/2022, 20:05
Static task
static1
Behavioral task
behavioral1
Sample
1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe
Resource
win10v2004-20220812-en
General
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Target
1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe
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Size
215KB
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MD5
74f8cd9fcfd6ce91d2d909d195d5b7e3
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SHA1
0f4d1c2fb9359cf196d7c50b7348d79f07d9b100
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SHA256
1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818
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SHA512
eeaff658ef13cb097d4541978a7af57fbb34ce767897925dc5dcf6420c09571cb9aced3c176d11a860caa6e7484356ea81cf50a9b9d8b8bb2bc9e7e82a961643
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SSDEEP
3072:rFtwLvlPTCV57kAwK97s1qFvml2aKTohcWo7b/rXq0NHCDml:hWLvxIGqdn7scWYmGCa
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/5116-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 1 IoCs
flow pid Process 75 3628 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 4356 8CDE.exe -
Loads dropped DLL 1 IoCs
pid Process 3628 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3628 set thread context of 2924 3628 rundll32.exe 93 -
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 1996 4356 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 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe -
Checks processor information in registry 2 TTPs 26 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1 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\Previous 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\Platform Specific Field 1 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\1\FeatureSet 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\0\VendorIdentifier 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 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\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString 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\FeatureSet 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\0\~MHz 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\Update Revision 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\Identifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Toolbar Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Process not Found -
Modifies registry class 30 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e003100000000009455e3a8100054656d7000003a0009000400efbe0c5519999455e7a82e0000000000000000000000000000000000000000000000000098877800540065006d007000000014000000 Process not Found Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags 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-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Process not Found -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 684 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5116 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe 5116 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 684 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5116 1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found Token: SeShutdownPrivilege 684 Process not Found Token: SeCreatePagefilePrivilege 684 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2924 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 684 Process not Found 684 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 684 wrote to memory of 4356 684 Process not Found 88 PID 684 wrote to memory of 4356 684 Process not Found 88 PID 684 wrote to memory of 4356 684 Process not Found 88 PID 4356 wrote to memory of 3628 4356 8CDE.exe 89 PID 4356 wrote to memory of 3628 4356 8CDE.exe 89 PID 4356 wrote to memory of 3628 4356 8CDE.exe 89 PID 3628 wrote to memory of 2924 3628 rundll32.exe 93 PID 3628 wrote to memory of 2924 3628 rundll32.exe 93 PID 3628 wrote to memory of 2924 3628 rundll32.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe"C:\Users\Admin\AppData\Local\Temp\1de2b42c0729af10d2f0762591e4b4d6c6a2461214b29263799f4234800aa818.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5116
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C:\Users\Admin\AppData\Local\Temp\8CDE.exeC:\Users\Admin\AppData\Local\Temp\8CDE.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4356 -
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:3628 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 141443⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:2924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 5282⤵
- Program crash
PID:1996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4356 -ip 43561⤵PID:3660
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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:4996
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD54c218215518e8bb6e9b02894ea2f3e46
SHA1b8c23cf7863abcc30bc79191f609c9ee4f9f33d2
SHA25603ac48aee2955b42f75b62c563887341a4157e910925e89e6fd6aed32595e1cb
SHA5129d58653c1c6338bf5323ecf6db0f7c362e60c820ab84d3483b324179588d3261c6479a60cc9bcc1f5d5875e7a7fa1e061a69f9a26b61f358f8d576f5db457b61
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Filesize
1.1MB
MD54c218215518e8bb6e9b02894ea2f3e46
SHA1b8c23cf7863abcc30bc79191f609c9ee4f9f33d2
SHA25603ac48aee2955b42f75b62c563887341a4157e910925e89e6fd6aed32595e1cb
SHA5129d58653c1c6338bf5323ecf6db0f7c362e60c820ab84d3483b324179588d3261c6479a60cc9bcc1f5d5875e7a7fa1e061a69f9a26b61f358f8d576f5db457b61
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Filesize
797KB
MD524925b25552a7d8f1d3292071e545920
SHA1f786e1d40df30f6fed0301d60c823b655f2d6eac
SHA2569931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b
SHA512242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26
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Filesize
797KB
MD524925b25552a7d8f1d3292071e545920
SHA1f786e1d40df30f6fed0301d60c823b655f2d6eac
SHA2569931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b
SHA512242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26