Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04-01-2023 22:08
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
21 signatures
150 seconds
General
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Target
file.exe
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Size
366KB
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MD5
76438a3882c3141edf9cda1bf497e203
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SHA1
979a36b5783e189d02be67c09e77d37cdbeeaed5
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SHA256
33343c372f10b6b6d41dd72f30fdc59ca95cb324f3c0f0824cce1770b8f2f5c7
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SHA512
852d9eb94d265ee5a5761591ba039ff694572b241051071225a12d87ec30aa9390d6acd622bc3343661a04462701819a83ae1ba7f24e32c2ff41e2f0ce48e157
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SSDEEP
3072:zhXqv0L0HDoBJaD5pIeLBza6Ng0gfP2tLh06Qc8jdA4upFldiLLkD/DYjTis4g:hDL0HcrafIYr+xGde6JoxupmLEkjTl
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1168-133-0x0000000003230000-0x0000000003239000-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 54 2460 rundll32.exe 58 2460 rundll32.exe 73 2460 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3024 22E9.exe 2432 hfhwifa -
Loads dropped DLL 1 IoCs
pid Process 2460 rundll32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2460 set thread context of 3952 2460 rundll32.exe 91 -
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 4476 3024 WerFault.exe 86 -
Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hfhwifa Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hfhwifa Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hfhwifa -
Checks processor information in registry 2 TTPs 25 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \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\VendorIdentifier rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier rundll32.exe Key enumerated \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\0\Component Information 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\1\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\ProcessorNameString rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information rundll32.exe Key value enumerated \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\0\Previous Update Revision rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz 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\1\Configuration Data 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\FeatureSet 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\~MHz 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\Update Revision rundll32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Toolbar Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" Process not Found -
Modifies registry class 30 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff Process not Found Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "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-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU rundll32.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e0031000000000024561ab9100054656d7000003a0009000400efbe0c551d9c245621b92e00000000000000000000000000000000000000000000000000a1480e00540065006d007000000014000000 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags Process not Found Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000 Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU Process not Found Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders Process not Found Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 Process not Found -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3044 Process not Found -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1168 file.exe 1168 file.exe 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3044 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1168 file.exe 2432 hfhwifa -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found Token: SeShutdownPrivilege 3044 Process not Found Token: SeCreatePagefilePrivilege 3044 Process not Found -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3952 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3044 Process not Found 3044 Process not Found -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3044 wrote to memory of 3024 3044 Process not Found 86 PID 3044 wrote to memory of 3024 3044 Process not Found 86 PID 3044 wrote to memory of 3024 3044 Process not Found 86 PID 3024 wrote to memory of 2460 3024 22E9.exe 87 PID 3024 wrote to memory of 2460 3024 22E9.exe 87 PID 3024 wrote to memory of 2460 3024 22E9.exe 87 PID 2460 wrote to memory of 3952 2460 rundll32.exe 91 PID 2460 wrote to memory of 3952 2460 rundll32.exe 91 PID 2460 wrote to memory of 3952 2460 rundll32.exe 91
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:1168
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C:\Users\Admin\AppData\Local\Temp\22E9.exeC:\Users\Admin\AppData\Local\Temp\22E9.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Pyupydeoe.tmp",Uprsprhaot2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2460 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 239823⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 5282⤵
- Program crash
PID:4476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3024 -ip 30241⤵PID:2780
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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:2436
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C:\Users\Admin\AppData\Roaming\hfhwifaC:\Users\Admin\AppData\Roaming\hfhwifa1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2432
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD5f42414378240cb57eca9459954b7aedf
SHA10bad89a20f91996039630a49e6f53254cdc2dd43
SHA2565fcdaaa83ef6e9283f9a81ce7c5bd037443203f5d0ca9ea95d13e7648437b536
SHA512f74ea293e1dcc5ef995e8d62e61a4a32be890358fc36e2a1282c9640db8abb1e8098e19b166baee33fd9e7a5b188abab2ce73af6fefc68a900919217fd909b83
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Filesize
1.1MB
MD5f42414378240cb57eca9459954b7aedf
SHA10bad89a20f91996039630a49e6f53254cdc2dd43
SHA2565fcdaaa83ef6e9283f9a81ce7c5bd037443203f5d0ca9ea95d13e7648437b536
SHA512f74ea293e1dcc5ef995e8d62e61a4a32be890358fc36e2a1282c9640db8abb1e8098e19b166baee33fd9e7a5b188abab2ce73af6fefc68a900919217fd909b83
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Filesize
784KB
MD5c50c2f17112b6c6b0892cb2c1f502108
SHA13dd1444384bf790f5aa90ae95ef7745fa4cfaf72
SHA25620dc61c5456ea5756f432aebecf74660acebf5ace0f7c8d1b360757ed79075d8
SHA512bfbfc3a13816a12e25c373f6739215b9dff559fecfdf26c3358a452bdc833b6eaa64bbae316f4b29b9e9ce802e9f50c66b533c8c3c1b372025a7f0b7d8b452f1
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Filesize
784KB
MD5c50c2f17112b6c6b0892cb2c1f502108
SHA13dd1444384bf790f5aa90ae95ef7745fa4cfaf72
SHA25620dc61c5456ea5756f432aebecf74660acebf5ace0f7c8d1b360757ed79075d8
SHA512bfbfc3a13816a12e25c373f6739215b9dff559fecfdf26c3358a452bdc833b6eaa64bbae316f4b29b9e9ce802e9f50c66b533c8c3c1b372025a7f0b7d8b452f1
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Filesize
366KB
MD576438a3882c3141edf9cda1bf497e203
SHA1979a36b5783e189d02be67c09e77d37cdbeeaed5
SHA25633343c372f10b6b6d41dd72f30fdc59ca95cb324f3c0f0824cce1770b8f2f5c7
SHA512852d9eb94d265ee5a5761591ba039ff694572b241051071225a12d87ec30aa9390d6acd622bc3343661a04462701819a83ae1ba7f24e32c2ff41e2f0ce48e157
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Filesize
366KB
MD576438a3882c3141edf9cda1bf497e203
SHA1979a36b5783e189d02be67c09e77d37cdbeeaed5
SHA25633343c372f10b6b6d41dd72f30fdc59ca95cb324f3c0f0824cce1770b8f2f5c7
SHA512852d9eb94d265ee5a5761591ba039ff694572b241051071225a12d87ec30aa9390d6acd622bc3343661a04462701819a83ae1ba7f24e32c2ff41e2f0ce48e157