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
18/12/2022, 03:36
Static task
static1
Behavioral task
behavioral1
Sample
477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe
Resource
win10v2004-20221111-en
General
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Target
477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe
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Size
214KB
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MD5
2cc7f656421f855ffe3b83e5332ab9e0
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SHA1
6053fde210c0c27bbaa64f3f39450634e3c257df
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SHA256
477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa
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SHA512
78dcbeafc7312ecaf5e4e0fe140b487666c4975bbcad8b3bbb87de596993fe403df7f41f2877c9926b1d083257f1a26bcb24d8bb317dc62ac6cde39186c6c1f4
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SSDEEP
6144:6Pm/TLAYZ//cgTBpR9bDzg3CsUTuvU0VB:6PmLcUxfvn8SQsO
Malware Config
Extracted
danabot
23.236.181.126:443
123.253.35.251:443
66.85.173.3:443
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embedded_hash
8F56CD73F6B5CD5D7B17B0BA61E70A82
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type
loader
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral1/memory/4644-133-0x00000000001F0000-0x00000000001F9000-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 41 3116 rundll32.exe 42 3116 rundll32.exe 54 3116 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
pid Process 1744 E851.exe -
Loads dropped DLL 1 IoCs
pid Process 3116 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3116 set thread context of 4552 3116 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 3296 1744 WerFault.exe 87 -
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 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe -
Checks processor information in registry 2 TTPs 19 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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\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\1\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\Configuration Data 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\Update Status rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Toolbar Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Process not Found -
Modifies registry class 30 IoCs
description ioc Process 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\0 Process not Found 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 = 4e0031000000000092559924100054656d7000003a0009000400efbe6b557d6c9255a1242e00000000000000000000000000000000000000000000000000bd3cf200540065006d007000000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Process not Found 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 Process not Found 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" Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Process not Found 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" Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Process not Found 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 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Process not Found 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 Process not Found Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_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 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Process not Found 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 Process not Found 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 388 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4644 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe 4644 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 388 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4644 477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
description pid Process Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4552 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 388 Process not Found 388 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 388 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 388 wrote to memory of 1744 388 Process not Found 87 PID 388 wrote to memory of 1744 388 Process not Found 87 PID 388 wrote to memory of 1744 388 Process not Found 87 PID 1744 wrote to memory of 3116 1744 E851.exe 89 PID 1744 wrote to memory of 3116 1744 E851.exe 89 PID 1744 wrote to memory of 3116 1744 E851.exe 89 PID 3116 wrote to memory of 4552 3116 rundll32.exe 92 PID 3116 wrote to memory of 4552 3116 rundll32.exe 92 PID 3116 wrote to memory of 4552 3116 rundll32.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe"C:\Users\Admin\AppData\Local\Temp\477e8524f1e6fcb05dfbb0aa95174bfe3d82c4897ebb9167323bc4191f217afa.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4644
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C:\Users\Admin\AppData\Local\Temp\E851.exeC:\Users\Admin\AppData\Local\Temp\E851.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Iseiuaqptde.dll,start2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3116 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 201793⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:4552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 5082⤵
- Program crash
PID:3296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1744 -ip 17441⤵PID:1136
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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:2488
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.4MB
MD50bb2b15ca73128dbc816ea4ed583119c
SHA117d05964d9208ca1a27fd007ad5f41752cfa893e
SHA256295dfd4608b81ee276a04f1c58d806b7f906695e744cfe8234eca6360c555ca8
SHA512d58afa63c04cb95576e9a7b5ae026dc28526cee7a26c5e829c091356179f4d255503914398dd209c506743ab78f16cb84d862e2f8ae5f43282bfe2a3e7afe375
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Filesize
2.4MB
MD50bb2b15ca73128dbc816ea4ed583119c
SHA117d05964d9208ca1a27fd007ad5f41752cfa893e
SHA256295dfd4608b81ee276a04f1c58d806b7f906695e744cfe8234eca6360c555ca8
SHA512d58afa63c04cb95576e9a7b5ae026dc28526cee7a26c5e829c091356179f4d255503914398dd209c506743ab78f16cb84d862e2f8ae5f43282bfe2a3e7afe375
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Filesize
2.4MB
MD5a4d10ecfc10dab2dfcde8afdab2f5ebc
SHA1bcb366696124d6a542830e09c5fb50d5b7fe8d07
SHA256d10ec04d44c15c230185a07a55d6da5b2b6a32adf867e75e143c3bd7638d2db3
SHA512635d076b06f339e3b4db3d9e685f2b6c364c93dd610fcfe376e897886aa986ca53e507d894b78d37b9a40fe307a723fff702349c91764bc00b454de08ccd0284
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Filesize
2.4MB
MD5a4d10ecfc10dab2dfcde8afdab2f5ebc
SHA1bcb366696124d6a542830e09c5fb50d5b7fe8d07
SHA256d10ec04d44c15c230185a07a55d6da5b2b6a32adf867e75e143c3bd7638d2db3
SHA512635d076b06f339e3b4db3d9e685f2b6c364c93dd610fcfe376e897886aa986ca53e507d894b78d37b9a40fe307a723fff702349c91764bc00b454de08ccd0284