Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
18/11/2022, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
21 signatures
150 seconds
General
- Target file.exe
- Size 334KB
- Sample221118-qsynlahd78
- SHA256 b29f9fb6d5cc7251dbee948a2e4a644907f3a5eeca6a7f695124277572e9ceae
- MD5 dfcaf76575420d3b665b271aafe80365
- SHA1 6e0cef58401c70cbe80e5aaa25bfdd68a6ee2f23
- SHA512 a401f2e9d763eba0eb72b903b44a212fe7dd771b932deb6c8c78c15df22aff1fb592571bf48fb78bf5b1104c74b8aa6fa3f8f4fe947927abc1aa59b217f1d1e2
- SSDEEP 6144:NLtk7xO6nrxJ83MRm7pzV7W148zZ+hp0fBa1nugw:PkU+rxeMRm7PVXhp0fQ1jw
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4836-133-0x00000000008A0000-0x00000000008A9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 2 IoCs
flow pid Process 49 4480 rundll32.exe 92 4480 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 1088 C64.exe - Loads dropped DLL 1 IoCs
pid Process 4480 rundll32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4480 set thread context of 3876 4480 rundll32.exe 94 - 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 1916 1088 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 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 20 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \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\FeatureSet rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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\Configuration Data 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\Update Status 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\0\FeatureSet rundll32.exe Key enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor 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\Previous Update Revision rundll32.exe -
description ioc Process 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 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 - 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 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 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\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 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 = ffffffff rundll32.exe 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 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 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 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 (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\0 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 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe 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 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 (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 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 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\MRUListEx = ffffffff 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\Bags\1 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\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\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 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 = 4e0031000000000072551874100054656d7000003a0009000400efbe6b557d6c72551d742e00000000000000000000000000000000000000000000000000fb19b200540065006d007000000014000000 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 (data) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3020 Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4836 file.exe 4836 file.exe 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3020 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4836 file.exe - Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found Token: SeShutdownPrivilege 3020 Process not Found Token: SeCreatePagefilePrivilege 3020 Process not Found - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3876 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3020 Process not Found 3020 Process not Found - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3020 wrote to memory of 1088 3020 Process not Found 89 PID 3020 wrote to memory of 1088 3020 Process not Found 89 PID 3020 wrote to memory of 1088 3020 Process not Found 89 PID 1088 wrote to memory of 4480 1088 C64.exe 90 PID 1088 wrote to memory of 4480 1088 C64.exe 90 PID 1088 wrote to memory of 4480 1088 C64.exe 90 PID 4480 wrote to memory of 3876 4480 rundll32.exe 94 PID 4480 wrote to memory of 3876 4480 rundll32.exe 94 PID 4480 wrote to memory of 3876 4480 rundll32.exe 94
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:4836
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C:\Users\Admin\AppData\Local\Temp\C64.exeC:\Users\Admin\AppData\Local\Temp\C64.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qieppoeedtppeh.tmp",Risetpqpdpi2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 190453⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 5282⤵
- Program crash
PID:1916
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1088 -ip 10881⤵PID:2876
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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:2168
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\C64.exe
- Size 1.2MB
- SHA256 f377108f4288a248abec1bbd292fc20e7ea68610ed9f93120cbc5e75c31c3d8f
- MD5 c9ed149595515ddf9ed476040fe87781
- SHA1 afb3db3a21053b3b262f7f65860b21e1bcadc3cd
- SHA512 29d4eedb46ea58c767d5039ee10d41b8eef1a8d90ba18020665d2c8363a75085be316bd56caec7bdef1cc252e8484c4c2bc42c1d131219d166808ae3d754d46f
- SSDEEP 24576:cDK/o019LEkK3aSCfOPeTGsvzL1Gom5u0pLj1k:cE19k3kO8GUX1xgl1k
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\C64.exe
- Size 1.2MB
- SHA256 f377108f4288a248abec1bbd292fc20e7ea68610ed9f93120cbc5e75c31c3d8f
- MD5 c9ed149595515ddf9ed476040fe87781
- SHA1 afb3db3a21053b3b262f7f65860b21e1bcadc3cd
- SHA512 29d4eedb46ea58c767d5039ee10d41b8eef1a8d90ba18020665d2c8363a75085be316bd56caec7bdef1cc252e8484c4c2bc42c1d131219d166808ae3d754d46f
- SSDEEP 24576:cDK/o019LEkK3aSCfOPeTGsvzL1Gom5u0pLj1k:cE19k3kO8GUX1xgl1k
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Qieppoeedtppeh.tmp
- Size 802KB
- SHA256 a5555d31a4f07e83f86100ce6f8242feccaa5157b10ccef2b48ab13dfac06ffd
- MD5 759e32c67ea3441582e9573471496f41
- SHA1 c8e8378787184363d256b91417e60f09ccb4258d
- SHA512 5c5d8f5b0aca6a68ea7bf7a30a7fe8afc204514e76cf13c6d23eb0e2bcc6925dd36d65fde81a893a338ec61dfb5f0c2da1e0c4cf1c52856e5df9511ceca741d4
- SSDEEP 12288:s62GT1lywI5iwASQKh1lWd7EwABdUmXDbcg+n2YGtO1Ov1xM3rw7ra6omqV:Fjl2iwaEwSD12O9H5dI
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Qieppoeedtppeh.tmp
- Size 802KB
- SHA256 a5555d31a4f07e83f86100ce6f8242feccaa5157b10ccef2b48ab13dfac06ffd
- MD5 759e32c67ea3441582e9573471496f41
- SHA1 c8e8378787184363d256b91417e60f09ccb4258d
- SHA512 5c5d8f5b0aca6a68ea7bf7a30a7fe8afc204514e76cf13c6d23eb0e2bcc6925dd36d65fde81a893a338ec61dfb5f0c2da1e0c4cf1c52856e5df9511ceca741d4
- SSDEEP 12288:s62GT1lywI5iwASQKh1lWd7EwABdUmXDbcg+n2YGtO1Ov1xM3rw7ra6omqV:Fjl2iwaEwSD12O9H5dI
- MD5 SHA1 SHA512 SSDEEP