Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 07:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
186KB
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MD5
6e0a25e8780cfc36b80a860073b5414b
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SHA1
88040417696654eee720434875c2e345df000ebb
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SHA256
aa286a4deb0d5818cc07b59fc11d63c4cb530ed1c44480c7ff9a6e23524b9c2e
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SHA512
d1565576257d7d0db399804e117f03e07760bf2fa13a4aee1811190c216eef5b6664243a366c1cf82e26445e76e649a29b04b2652ec0dd8d5f1404a4d8af54ac
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SSDEEP
3072:XBkAtbkmeqUVbLwytWIiD5ssA+E3hV5j1HyhTQCsQIVYG+:OAhMLwyt7DsbARR0TWf
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2016-133-0x00000000027F0000-0x00000000027F9000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 55 2172 rundll32.exe 60 2172 rundll32.exe 80 2172 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
2839.exepid process 4032 2839.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 2172 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
rundll32.exedescription pid process target process PID 2172 set thread context of 3540 2172 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 2792 4032 WerFault.exe 2839.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Checks processor information in registry 2 TTPs 21 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key enumerated \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\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\VendorIdentifier 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\Platform Specific Field 1 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 opened \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\1\Previous Update Revision 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\Configuration Data 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\Platform Specific Field 1 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\Previous Update Revision 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\ProcessorNameString rundll32.exe -
Processes:
description ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Toolbar Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 -
Modifies registry class 30 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e0031000000000077555d38100054656d7000003a0009000400efbe21550a58775562382e00000000000000000000000000000000000000000000000000b4bc3001540065006d007000000014000000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1" Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
pid process 1040 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 2016 file.exe 2016 file.exe 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 1040 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1040 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 2016 file.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 Token: SeShutdownPrivilege 1040 Token: SeCreatePagefilePrivilege 1040 -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
rundll32.exepid process 3540 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
pid process 1040 1040 -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
2839.exerundll32.exedescription pid process target process PID 1040 wrote to memory of 4032 1040 2839.exe PID 1040 wrote to memory of 4032 1040 2839.exe PID 1040 wrote to memory of 4032 1040 2839.exe PID 4032 wrote to memory of 2172 4032 2839.exe rundll32.exe PID 4032 wrote to memory of 2172 4032 2839.exe rundll32.exe PID 4032 wrote to memory of 2172 4032 2839.exe rundll32.exe PID 2172 wrote to memory of 3540 2172 rundll32.exe rundll32.exe PID 2172 wrote to memory of 3540 2172 rundll32.exe rundll32.exe PID 2172 wrote to memory of 3540 2172 rundll32.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2016
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C:\Users\Admin\AppData\Local\Temp\2839.exeC:\Users\Admin\AppData\Local\Temp\2839.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Uayqupoehp.tmp",Rrptfe2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 142183⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3540 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 5202⤵
- Program crash
PID:2792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4032 -ip 40321⤵PID:620
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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:5080
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.0MB
MD506eb56951a589d42acf83aa7f03f42eb
SHA12919c57b6ed1aedb5af94183c61cf1b73c073462
SHA256707ff527e6415a6da0bd08c3c1af3af7e2732e29ef994490cc77eee9b4b4eebd
SHA512de8dc09da4b584422bdbc33b8a957f917382adf5206f178c0f976de7c4ef2d21dce886f438be1a8ec0be3f7cc9d0def0484a23c006e2661d5b2c6c953351a180
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Filesize
1.0MB
MD506eb56951a589d42acf83aa7f03f42eb
SHA12919c57b6ed1aedb5af94183c61cf1b73c073462
SHA256707ff527e6415a6da0bd08c3c1af3af7e2732e29ef994490cc77eee9b4b4eebd
SHA512de8dc09da4b584422bdbc33b8a957f917382adf5206f178c0f976de7c4ef2d21dce886f438be1a8ec0be3f7cc9d0def0484a23c006e2661d5b2c6c953351a180
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Filesize
774KB
MD5d5e88f35e214f2dff51a7d494316bac2
SHA16306dfa71c4e32dede210631cf90732693c0afcf
SHA256f1828a7b26be78bb27df25b98762eb7dd7e49ee8582d5eee42ded05b0eebc1e4
SHA512ff167f0379173f976e3f91f41f6c88e67b12dfb0386b66d19f78d3aa3f11534cf2ce1c1d753ada0133cf291adca7ad8367087b791a5c05eaf371dd877ebcce1d
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Filesize
774KB
MD5d5e88f35e214f2dff51a7d494316bac2
SHA16306dfa71c4e32dede210631cf90732693c0afcf
SHA256f1828a7b26be78bb27df25b98762eb7dd7e49ee8582d5eee42ded05b0eebc1e4
SHA512ff167f0379173f976e3f91f41f6c88e67b12dfb0386b66d19f78d3aa3f11534cf2ce1c1d753ada0133cf291adca7ad8367087b791a5c05eaf371dd877ebcce1d