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
31/01/2023, 13:55
Static task
static1
Behavioral task
behavioral1
Sample
199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
21 signatures
150 seconds
General
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Target
199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe
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Size
296KB
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MD5
6cb1909e106890dddd87ecc1694848b5
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SHA1
e69379d262537c98ba77620d17a75e646bd2476c
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SHA256
199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d
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SHA512
2b5036a6dd2710f73f482ce3ae1cdf7f68e3237c5955f3fecb86a772a0b71c17946bbf59ca77f5535c1f006b5c973138287e3f05f06eefc1cc5fa1607909a738
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SSDEEP
3072:jSuqwfBLSMQRo1X1URHCiiZmaePpmqPUx6WfQz86fpC3MM:l3fBLS8B1Y7i8JpmqMoIapC8M
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/4776-133-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Blocklisted process makes network request 2 IoCs
flow pid Process 103 4268 rundll32.exe 127 4268 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 3288 E091.exe -
Loads dropped DLL 1 IoCs
pid Process 4268 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4268 set thread context of 2136 4268 rundll32.exe 94 -
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 3860 3288 WerFault.exe 89 -
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 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe -
Checks processor information in registry 2 TTPs 23 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\FeatureSet 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\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\0\~MHz 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\1\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\Previous Update Revision 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 enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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 Revision 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 Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\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\Identifier 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\Component Information 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 rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 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 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 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\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\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 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\0\0\0 = 4e003100000000003f560777100054656d7000003a0009000400efbe0c5519993f560d772e0000000000000000000000000000000000000000000000000072558c00540065006d007000000014000000 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 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 Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe 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 = 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\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 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\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 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\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 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\NodeSlots 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 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 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 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2212 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4776 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe 4776 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found 2212 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2212 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4776 199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found Token: SeShutdownPrivilege 2212 Process not Found Token: SeCreatePagefilePrivilege 2212 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2136 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2212 Process not Found 2212 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2212 wrote to memory of 3288 2212 Process not Found 89 PID 2212 wrote to memory of 3288 2212 Process not Found 89 PID 2212 wrote to memory of 3288 2212 Process not Found 89 PID 3288 wrote to memory of 4268 3288 E091.exe 91 PID 3288 wrote to memory of 4268 3288 E091.exe 91 PID 3288 wrote to memory of 4268 3288 E091.exe 91 PID 4268 wrote to memory of 2136 4268 rundll32.exe 94 PID 4268 wrote to memory of 2136 4268 rundll32.exe 94 PID 4268 wrote to memory of 2136 4268 rundll32.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe"C:\Users\Admin\AppData\Local\Temp\199d72906fa0b63201d19e365cdef73bd30a53cebca194e402d011e5fa13250d.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4776
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C:\Users\Admin\AppData\Local\Temp\E091.exeC:\Users\Admin\AppData\Local\Temp\E091.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Eorppuwwrieiyod.dll,start2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 237713⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:2136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 4002⤵
- Program crash
PID:3860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3288 -ip 32881⤵PID:1880
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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:4568
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD5eff6b9f1bffa6c45aac5655d825a455d
SHA1c7abc3e9d6034b02806c352a11c3ab328e1bf5d6
SHA256c7626f869212e3e070db5606b4b738ef3c1c6ba5fb0eea5d920a759307c48b56
SHA512b58f4390416d2c09dff0c2d64857f14cfcec214e13350274fa048b089a3ee22bc3aad7695c2a4b11ff277f005131ab02360059b9a767da61115ac259d4c3cf19
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Filesize
3.2MB
MD5eff6b9f1bffa6c45aac5655d825a455d
SHA1c7abc3e9d6034b02806c352a11c3ab328e1bf5d6
SHA256c7626f869212e3e070db5606b4b738ef3c1c6ba5fb0eea5d920a759307c48b56
SHA512b58f4390416d2c09dff0c2d64857f14cfcec214e13350274fa048b089a3ee22bc3aad7695c2a4b11ff277f005131ab02360059b9a767da61115ac259d4c3cf19
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Filesize
4.2MB
MD59b898f9d84b486ef2dba64c1f8addbd4
SHA1222890ea94d6a2cc2f7f3359692db7f713fb4957
SHA256653ec1c59f226dda0dc9c17108a8b43c13181dd80c359aa449065e37dba9a56c
SHA5123cbb38ed2eec05a0a362e1de326ac6c94dbfbed95bd5c31d445a5430994aa8ed43300451eb14783361ff459a9025e60ed1538c90054ba2a05ddfd8b2d5adc112
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Filesize
4.2MB
MD59b898f9d84b486ef2dba64c1f8addbd4
SHA1222890ea94d6a2cc2f7f3359692db7f713fb4957
SHA256653ec1c59f226dda0dc9c17108a8b43c13181dd80c359aa449065e37dba9a56c
SHA5123cbb38ed2eec05a0a362e1de326ac6c94dbfbed95bd5c31d445a5430994aa8ed43300451eb14783361ff459a9025e60ed1538c90054ba2a05ddfd8b2d5adc112