Analysis
- 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
18/12/2022, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
22 signatures
150 seconds
General
- Target file.exe
- Size 214KB
- Sample221218-j8fdmabb43
- SHA256 8c2b6a9ecd611098ab7b36a90a6ba13d4e04e5cd833da3830ee603f8924ced0b
- MD5 3c1a4982815bb6549cd30e514e271fd6
- SHA1 de2809b05f50c3fa5bebaaa2bee9712724ace615
- SHA512 49e05c67daa6cd295d66058d6422925876689c8d1876ec267d06fe1c0af33b485382198c7f65c04ff0d35c35f404ca97a0ff7dd49b6de57e70877c41a447ddf1
- SSDEEP 3072:AqMK6lL0BwRYyxiV/lZ39cB9JjN/IHYzKNwz8/g3xod4ROaBG3ERWR3LV:NMtlL0byGZ39UJqH0Qg3Cd4oagU0VB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
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danabot
C2
-
23.236.181.126:443
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123.253.35.251:443
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66.85.173.3:443
Attributes
-
embedded_hash
8F56CD73F6B5CD5D7B17B0BA61E70A82
-
type
loader
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4612-133-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 2 IoCs
flow pid Process 88 4836 rundll32.exe 110 4836 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 4668 F67A.exe - Loads dropped DLL 2 IoCs
pid Process 4836 rundll32.exe 4836 rundll32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4836 set thread context of 2280 4836 rundll32.exe 93 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
pid pid_target Process procid_target 3892 4668 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 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 22 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\Identifier 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\1\Update Revision 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\Platform Specific Field 1 rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\1\Platform Specific Field 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\Component Information rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\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\0\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision 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\1\Identifier 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 Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU 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 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\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ 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 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 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\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\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\NodeSlots rundll32.exe 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 = 4e0031000000000092559a4a100054656d7000003a0009000400efbe0c5519999255a14a2e00000000000000000000000000000000000000000000000000cd4c2e01540065006d007000000014000000 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\BagMRU 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 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\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 (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\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\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\NodeSlots = 02 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\0\0\0\0\MRUListEx = ffffffff 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\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\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\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Process not Found - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4612 file.exe 4612 file.exe 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found 2424 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4612 file.exe - Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found Token: SeShutdownPrivilege 2424 Process not Found Token: SeCreatePagefilePrivilege 2424 Process not Found - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2280 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2424 Process not Found 2424 Process not Found - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2424 wrote to memory of 4668 2424 Process not Found 88 PID 2424 wrote to memory of 4668 2424 Process not Found 88 PID 2424 wrote to memory of 4668 2424 Process not Found 88 PID 4668 wrote to memory of 4836 4668 F67A.exe 89 PID 4668 wrote to memory of 4836 4668 F67A.exe 89 PID 4668 wrote to memory of 4836 4668 F67A.exe 89 PID 4836 wrote to memory of 2280 4836 rundll32.exe 93 PID 4836 wrote to memory of 2280 4836 rundll32.exe 93 PID 4836 wrote to memory of 2280 4836 rundll32.exe 93
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:4612
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C:\Users\Admin\AppData\Local\Temp\F67A.exeC:\Users\Admin\AppData\Local\Temp\F67A.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4668 -
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:4836 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 202233⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:2280
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 6762⤵
- Program crash
PID:3892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4668 -ip 46681⤵PID:4056
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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:4744
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\F67A.exe
- Size 2.4MB
- SHA256 804a0999f1e0c5a8e083f0a36ccfe7ad8a6ab94a0c77d6ab74175540c990f95e
- MD5 6e10b6107066da8b83187a14c8b68b23
- SHA1 bfe5bb0d1fbd503226abf58fbd88e91e8f17ba05
- SHA512 6f4715008d918f0a940bae3970e072c39b16a6c8fb66f10bc32c4b611c93a437b3475646d0fafa3e814af6d5013a518ba5893c2c984b558f66733b4d03f83461
- SSDEEP 49152:jp3TkvTxVW0z7cby/T8uzPI57F0KaCz2avq7aYm:gWMBzPI57F03C5Ym
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\F67A.exe
- Size 2.4MB
- SHA256 804a0999f1e0c5a8e083f0a36ccfe7ad8a6ab94a0c77d6ab74175540c990f95e
- MD5 6e10b6107066da8b83187a14c8b68b23
- SHA1 bfe5bb0d1fbd503226abf58fbd88e91e8f17ba05
- SHA512 6f4715008d918f0a940bae3970e072c39b16a6c8fb66f10bc32c4b611c93a437b3475646d0fafa3e814af6d5013a518ba5893c2c984b558f66733b4d03f83461
- SSDEEP 49152:jp3TkvTxVW0z7cby/T8uzPI57F0KaCz2avq7aYm:gWMBzPI57F03C5Ym
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Iseiuaqptde.dll
- Size 2.4MB
- SHA256 00cedbe36fc8719c0adc909cbf8640ef385f58af4510beff19877d09299cc323
- MD5 23064276159095591547d0d1ebbd57ee
- SHA1 94c4edd69384c5df382c8f27c4c75dfd5f1c5ded
- SHA512 28864a1332a9ebc599d6bf978c55cf7d37ecc4201b329a13b82719ad1508f94050913e4841900b05c2668aad665dcb1521344ab7c64e1cf0eb713f0044c4994b
- SSDEEP 49152:zrqVHNsAsWe8AdaSTBfA3XGGuGtTN8LxZ:zaPenfA3248Lz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Iseiuaqptde.dll
- Size 2.4MB
- SHA256 00cedbe36fc8719c0adc909cbf8640ef385f58af4510beff19877d09299cc323
- MD5 23064276159095591547d0d1ebbd57ee
- SHA1 94c4edd69384c5df382c8f27c4c75dfd5f1c5ded
- SHA512 28864a1332a9ebc599d6bf978c55cf7d37ecc4201b329a13b82719ad1508f94050913e4841900b05c2668aad665dcb1521344ab7c64e1cf0eb713f0044c4994b
- SSDEEP 49152:zrqVHNsAsWe8AdaSTBfA3XGGuGtTN8LxZ:zaPenfA3248Lz
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Iseiuaqptde.dll
- Size 2.4MB
- SHA256 00cedbe36fc8719c0adc909cbf8640ef385f58af4510beff19877d09299cc323
- MD5 23064276159095591547d0d1ebbd57ee
- SHA1 94c4edd69384c5df382c8f27c4c75dfd5f1c5ded
- SHA512 28864a1332a9ebc599d6bf978c55cf7d37ecc4201b329a13b82719ad1508f94050913e4841900b05c2668aad665dcb1521344ab7c64e1cf0eb713f0044c4994b
- SSDEEP 49152:zrqVHNsAsWe8AdaSTBfA3XGGuGtTN8LxZ:zaPenfA3248Lz
- MD5 SHA1 SHA512 SSDEEP