Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 09:29
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
win10v2004-20221111-en
windows10-2004-x64
28 signatures
150 seconds
General
- Target file.exe
- Size 264KB
- Sample230108-lfyevadb83
- SHA256 7174bf48361ba6fbeb08fff0bcdce9bbbe425aa3ce47951b53666da2a3da7d54
- MD5 0d686c613a11233c2138c695db085f30
- SHA1 7192748f6208e053ab9586c2f99175d32555f9c0
- SHA512 864d8826dc390d9a28820523461b1303de79e97e7e389a869b75f453a92e3e20266c11c1e846df8c65a5361492685ac9cff3e285bfaff0c6b62a6dd9daa71d07
- SSDEEP 3072:KXhEzniML3dT6h/qJhUuYG5XlgRA/aRsnRnsjxDgIIk2SpxOevVUZNTKXWPr0sdI:qWL3dQ/qJhUuYMlAAPBMxDgIxRvKOuN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4912-133-0x0000000002D40000-0x0000000002D49000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Blocklisted process makes network request 2 IoCs
flow pid Process 31 5008 rundll32.exe 54 5008 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 2 IoCs
pid Process 2352 BFBB.exe 4400 bevcjet - Loads dropped DLL 1 IoCs
pid Process 5008 rundll32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts rundll32.exe - Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5008 set thread context of 5112 5008 rundll32.exe 94 - Drops file in Program Files directory 26 IoCs
description ioc Process File created C:\Program Files (x86)\WindowsPowerShell\Modules\Home.aapp rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\arh.dll rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\index.html rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Locale\en_US\stopwords.ENU rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\weblink.api rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\AppCenter_R.aapp rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\aic_file_icons_retina_thumb_new.png rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\aic_file_icons.png rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\apple-touch-icon-57x57-precomposed.png rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\AddressBook.png rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\main-cef.css rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\aic_file_icons.png rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\apple-touch-icon-57x57-precomposed.png rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\Measure.aapp rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\Measure.aapp rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\sqlite.dll rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\weblink.api rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\AppCenter_R.aapp rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\index.html rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\stopwords.ENU rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\main-cef.css rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\aic_file_icons_retina_thumb_new.png rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\Home.aapp rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\sqlite.dll rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Tracker\pdf.gif rundll32.exe File created C:\Program Files (x86)\WindowsPowerShell\Modules\AddressBook.png rundll32.exe - 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 2096 2352 WerFault.exe 88 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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 bevcjet Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bevcjet Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bevcjet Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Checks processor information in registry 2 TTPs 24 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\VendorIdentifier 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 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\0\Platform Specific Field 1 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier rundll32.exe Key value enumerated \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor rundll32.exe Key enumerated \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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz 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\1\Configuration Data 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\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\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\FeatureSet 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 -
description ioc Process 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 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Toolbar 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\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 (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 rundll32.exe 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\0\0\0\0\MRUListEx = ffffffff 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 (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 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\CurrentVersion\WorkFolders 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\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 = 14001f44471a0359723fa74489c55595fe6b30ee0000 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 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\NodeSlots 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 (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\1 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 Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\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\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\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\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\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 = 4e003100000000002856b753100054656d7000003a0009000400efbe6b557d6c2856bd532e0000000000000000000000000000000000000000000000000039b33200540065006d007000000014000000 Process not Found 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 - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1032 Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4912 file.exe 4912 file.exe 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1032 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4912 file.exe 4400 bevcjet - Suspicious use of AdjustPrivilegeToken 21 IoCs
description pid Process Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeDebugPrivilege 5008 rundll32.exe Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found Token: SeShutdownPrivilege 1032 Process not Found Token: SeCreatePagefilePrivilege 1032 Process not Found - Suspicious use of FindShellTrayWindow 10 IoCs
pid Process 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 1032 Process not Found 5008 rundll32.exe 5112 rundll32.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1032 Process not Found 1032 Process not Found - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1032 wrote to memory of 2352 1032 Process not Found 88 PID 1032 wrote to memory of 2352 1032 Process not Found 88 PID 1032 wrote to memory of 2352 1032 Process not Found 88 PID 2352 wrote to memory of 5008 2352 BFBB.exe 89 PID 2352 wrote to memory of 5008 2352 BFBB.exe 89 PID 2352 wrote to memory of 5008 2352 BFBB.exe 89 PID 5008 wrote to memory of 5112 5008 rundll32.exe 94 PID 5008 wrote to memory of 5112 5008 rundll32.exe 94 PID 5008 wrote to memory of 5112 5008 rundll32.exe 94 PID 5008 wrote to memory of 1664 5008 rundll32.exe 95 PID 5008 wrote to memory of 1664 5008 rundll32.exe 95 PID 5008 wrote to memory of 1664 5008 rundll32.exe 95 PID 5008 wrote to memory of 4176 5008 rundll32.exe 98 PID 5008 wrote to memory of 4176 5008 rundll32.exe 98 PID 5008 wrote to memory of 4176 5008 rundll32.exe 98 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 rundll32.exe
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:4912
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C:\Users\Admin\AppData\Local\Temp\BFBB.exeC:\Users\Admin\AppData\Local\Temp\BFBB.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Wtfoiq.tmp",Iyidwoiowsw2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:5008 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 155613⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:5112
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask3⤵PID:1664
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask3⤵PID:4176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 5322⤵
- Program crash
PID:2096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2352 -ip 23521⤵PID:5048
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C:\Users\Admin\AppData\Roaming\bevcjetC:\Users\Admin\AppData\Roaming\bevcjet1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4400
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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:1216
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k LocalService1⤵PID:3088
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "c:\program files (x86)\windowspowershell\modules\arh.dll",biVJM1hjWXc=2⤵PID:2144
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\WindowsPowerShell\Modules\arh.dll
- Size 714KB
- SHA256 024ad89c76c807b46457b926173326643ee6424f457b68bc1609ed0ab219c77a
- MD5 f9863bff7d868c19c061598a1f25e38b
- SHA1 76c8ea45b9c0b508cb1d30ae4362d4673a9af513
- SHA512 a80ef73f8a633f5208cfb50d429bfcb945b5bdc9fb82f1efab2ec5d2472cbb29f5110571f58038147a9c534fd172b143f11e4d456f21c1c1bf2a084c2e9c7cf7
- SSDEEP 12288:C8jfuQWjK3lYRk52K/iAkyshv2zjTywBZmAUYiUy+Cz1yVBMjiItbNFNIJOI/rFu:C8DWK3l4kkEPjfywBLTvFFMjiItbNrdr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\WindowsPowerShell\Modules\arh.dll
- Size 714KB
- SHA256 024ad89c76c807b46457b926173326643ee6424f457b68bc1609ed0ab219c77a
- MD5 f9863bff7d868c19c061598a1f25e38b
- SHA1 76c8ea45b9c0b508cb1d30ae4362d4673a9af513
- SHA512 a80ef73f8a633f5208cfb50d429bfcb945b5bdc9fb82f1efab2ec5d2472cbb29f5110571f58038147a9c534fd172b143f11e4d456f21c1c1bf2a084c2e9c7cf7
- SSDEEP 12288:C8jfuQWjK3lYRk52K/iAkyshv2zjTywBZmAUYiUy+Cz1yVBMjiItbNFNIJOI/rFu:C8DWK3l4kkEPjfywBLTvFFMjiItbNrdr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\C2RManifest.office32mui.msi.16.en-us.xml
- Size 16KB
- SHA256 3069814db0a03ed2ce383cb97739d07545d3b67a2b532d9c07d0d5aa3c6a4f3a
- MD5 ada34b241139f06addc86a9e8d1108f0
- SHA1 909a92a4e970ae4edcfc365a119d4f4410b0bcf6
- SHA512 2797c6087798660773cfa65f002a4232d75c8b8f787deb12364af683653b41de411ca2de54be1aa86356ba3b6203775c9afaedd513ad33c26f273047f87537a0
- SSDEEP 96:eFpWymLJ1kIhxmfkBeeEbmbKPR6x6Tccrkl75fN6URv8VOPQPRRvTPGPASPBgPWA:gtFbx636yQKBG949wkXJjo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\DeploymentConfiguration.xml
- Size 614B
- SHA256 d44d8ffc6e0261e32c4b5c77573a0daa0b4066d4e160c2cd5b5728199f63dfb4
- MD5 54cec4437128f703c259efb3dc734386
- SHA1 9b15ebe33a771a7e12cd966fd8b583da06914015
- SHA512 c1793acc8f6dc9997fd0261d501ffed200f3c039c9b77e554a031262925878b56727bd84cf5fbeeccb481c1d4511f37e940a8f8436054c8f08adb8e5f46773ea
- MD5 SHA1 SHA512
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\Diagtrack-Listener.etl
- Size 128KB
- SHA256 858c25b50b1eeb51fa5b49fe8f60404126b4c1ebd511b2270eac082b01cd5949
- MD5 92940338867c5a5280e1dfb5261ee87b
- SHA1 f233ac37ca6cef59690eab0df1a963c2d40e25f5
- SHA512 37751bf504d67409da9f03162e2c794290f46d883202f5c8517897d87b47409e01e9efaf45b569568e98eaec61630a8be953133f0d83820092a9092b83ecf0eb
- SSDEEP 96:2JUtWiQpm+DBCwB1FMeW0iQfkrTYP071tH3W7lDRej96UTVZ2PU:2JiNiBXB1FO0ihb1tXW7ldT+eU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe.xml
- Size 17KB
- SHA256 fc79e5ee3a80f00498b8be20796daacc279aee43b522cf3a968266c629e27ff5
- MD5 88edd5a41ab82f584c96038657f61fa0
- SHA1 7196dd2233a620172932cbe75afc1eae004de540
- SHA512 d75a11ab48d11114c753a1cb7c1cb3ef19e5b5e90818d6842278d28d72d85582aabfbcf324af94abc1fe47ed7b1d7cfd9660852dc59f9026f812a662adfbee4d
- SSDEEP 384:Y0Te9EoVfmPpZukwmOsjUUwed9Hoc1pclHcuBHrYBvVuVJXWi/7RLvVm9b7DSSB3:Fe9Eot/x0
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\MicrosoftOffice2010Win32.xml
- Size 71KB
- SHA256 843f89d7b8b11907ee5dea2e0108dbb10ce3883d3b7505c55f4e1082db879d3f
- MD5 b08a8c2f6941a1a12aa05180aec1dbb9
- SHA1 c09f9207502aca3866b182d79221addcca76f4d1
- SHA512 8de3748bd731835154f3d371ca0174c2b17da64fd39d479b132947304e6ff1d7f95e344aad64b6b9aa831ae37b3ed00d3a05efaf6aed67619e9d69a1e9b89bf7
- SSDEEP 768:YcCz2/Ss4WgOolyrFwVABZgNkY49U2qT7uBc5j151ljlrMHb:bCz2asJgOoA572mvU2YuiRRjlrMHb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\Rwdfud.tmp
- Size 3.5MB
- SHA256 9e6f7595c77bd75b36ade1151bfd42f23ab42a1f260f6f4b66834764ec34bbf8
- MD5 797be72a531fc4943f0c1bd44587701b
- SHA1 de66aad67dc699071b5df5d68de71c2406384146
- SHA512 1aa37a08f5520b620f656fe591728e80b423db64988c35a7d61e0b8a5cf64635274d1de550965feccd19226e0deaae0d4a3a55bd642c2d3030502bcc6846c0ae
- SSDEEP 49152:vRtnfJ3ux/CmGfE2gbb7JSJ497G44iPFeqlwz9Tf2KtS2WBoyzcDeH/01rY+Y9AL:vTfJ3ux/HTn7UipXeF9T5WqyI20RYrnK
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\Rwdfud.tmp
- Size 3.5MB
- SHA256 9e6f7595c77bd75b36ade1151bfd42f23ab42a1f260f6f4b66834764ec34bbf8
- MD5 797be72a531fc4943f0c1bd44587701b
- SHA1 de66aad67dc699071b5df5d68de71c2406384146
- SHA512 1aa37a08f5520b620f656fe591728e80b423db64988c35a7d61e0b8a5cf64635274d1de550965feccd19226e0deaae0d4a3a55bd642c2d3030502bcc6846c0ae
- SSDEEP 49152:vRtnfJ3ux/CmGfE2gbb7JSJ497G44iPFeqlwz9Tf2KtS2WBoyzcDeH/01rY+Y9AL:vTfJ3ux/HTn7UipXeF9T5WqyI20RYrnK
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\{B7E8E476-349D-60AA-651B-798B40E3CAEC}\folder.ico
- Size 52KB
- SHA256 bef53904908769ceeb60f8e0976c3194e73534f00f4afb65497c2091121b98b2
- MD5 bbf9dbdc079c0cd95f78d728aa3912d4
- SHA1 051f76cc8c6520768bac9559bb329abeebd70d7c
- SHA512 af110c52c983f1cf55b3db7d375e03c8c9308e3cf9ee1c154c2b25cb3f8299f0c0ba87b47445f09f98659eb536184c245887a341733c11af713e9ecc15288b5d
- SSDEEP 1536:y3i6EBXR2n7dqnfiVDIHMPV0+l/SLOUp4:8eiVD+EmUSLOUp4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\BFBB.exe
- Size 1.0MB
- SHA256 81b6a1d256ee314b24359baa53e0263bb5d6d0c38ad51c27da922f2e74d95107
- MD5 5582dc4f321d9ebcf309e6f2f850e4a2
- SHA1 c24afc8febd22924b439927436e8393086ee4435
- SHA512 323d2cd448e7f0426cafc3e45d868c7c8ec7fb50c0c8db61a6b840cc0a81d5c7af9a2be948ac9e28513a626ef39734688ff56e78630b17b6300e6f61d8001430
- SSDEEP 24576:FUOxyMipDqhyJCcCFLTod0f8thabrvBLVoxgkJ:FUS9cWmCFopoRgF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\BFBB.exe
- Size 1.0MB
- SHA256 81b6a1d256ee314b24359baa53e0263bb5d6d0c38ad51c27da922f2e74d95107
- MD5 5582dc4f321d9ebcf309e6f2f850e4a2
- SHA1 c24afc8febd22924b439927436e8393086ee4435
- SHA512 323d2cd448e7f0426cafc3e45d868c7c8ec7fb50c0c8db61a6b840cc0a81d5c7af9a2be948ac9e28513a626ef39734688ff56e78630b17b6300e6f61d8001430
- SSDEEP 24576:FUOxyMipDqhyJCcCFLTod0f8thabrvBLVoxgkJ:FUS9cWmCFopoRgF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Wtfoiq.tmp
- Size 714KB
- SHA256 d0ac0e9021c6e231c60256198309b7f72ce4c5e772cf343b5456c2ce0664b9bd
- MD5 9dd70d24b2657a9254b9fd536a4d06d5
- SHA1 348a1d210d7c4daef8ecdb692eadf3975971e8ee
- SHA512 dee5bfe83fdf196c78ee255e50a25994220ce9ecac22eb24323df70e668714d7a810b67ddace7809d9d7e2160a35c4603deedb64b1660d82dde58586c34d2ab6
- SSDEEP 12288:V8jfuQWjK3lYRk52K/iAkyshv2zjTywBZmAUYiUy+Cz1yVBMjiItbNFNIJOI/rFu:V8DWK3l4kkEPjfywBLTvFFMjiItbNrdr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Wtfoiq.tmp
- Size 714KB
- SHA256 d0ac0e9021c6e231c60256198309b7f72ce4c5e772cf343b5456c2ce0664b9bd
- MD5 9dd70d24b2657a9254b9fd536a4d06d5
- SHA1 348a1d210d7c4daef8ecdb692eadf3975971e8ee
- SHA512 dee5bfe83fdf196c78ee255e50a25994220ce9ecac22eb24323df70e668714d7a810b67ddace7809d9d7e2160a35c4603deedb64b1660d82dde58586c34d2ab6
- SSDEEP 12288:V8jfuQWjK3lYRk52K/iAkyshv2zjTywBZmAUYiUy+Cz1yVBMjiItbNFNIJOI/rFu:V8DWK3l4kkEPjfywBLTvFFMjiItbNrdr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bevcjet
- Size 264KB
- SHA256 7174bf48361ba6fbeb08fff0bcdce9bbbe425aa3ce47951b53666da2a3da7d54
- MD5 0d686c613a11233c2138c695db085f30
- SHA1 7192748f6208e053ab9586c2f99175d32555f9c0
- SHA512 864d8826dc390d9a28820523461b1303de79e97e7e389a869b75f453a92e3e20266c11c1e846df8c65a5361492685ac9cff3e285bfaff0c6b62a6dd9daa71d07
- SSDEEP 3072:KXhEzniML3dT6h/qJhUuYG5XlgRA/aRsnRnsjxDgIIk2SpxOevVUZNTKXWPr0sdI:qWL3dQ/qJhUuYMlAAPBMxDgIxRvKOuN
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bevcjet
- Size 264KB
- SHA256 7174bf48361ba6fbeb08fff0bcdce9bbbe425aa3ce47951b53666da2a3da7d54
- MD5 0d686c613a11233c2138c695db085f30
- SHA1 7192748f6208e053ab9586c2f99175d32555f9c0
- SHA512 864d8826dc390d9a28820523461b1303de79e97e7e389a869b75f453a92e3e20266c11c1e846df8c65a5361492685ac9cff3e285bfaff0c6b62a6dd9daa71d07
- SSDEEP 3072:KXhEzniML3dT6h/qJhUuYG5XlgRA/aRsnRnsjxDgIIk2SpxOevVUZNTKXWPr0sdI:qWL3dQ/qJhUuYMlAAPBMxDgIxRvKOuN
- MD5 SHA1 SHA512 SSDEEP
- Path \??\c:\program files (x86)\windowspowershell\modules\arh.dll
- Size 714KB
- SHA256 024ad89c76c807b46457b926173326643ee6424f457b68bc1609ed0ab219c77a
- MD5 f9863bff7d868c19c061598a1f25e38b
- SHA1 76c8ea45b9c0b508cb1d30ae4362d4673a9af513
- SHA512 a80ef73f8a633f5208cfb50d429bfcb945b5bdc9fb82f1efab2ec5d2472cbb29f5110571f58038147a9c534fd172b143f11e4d456f21c1c1bf2a084c2e9c7cf7
- SSDEEP 12288:C8jfuQWjK3lYRk52K/iAkyshv2zjTywBZmAUYiUy+Cz1yVBMjiItbNFNIJOI/rFu:C8DWK3l4kkEPjfywBLTvFFMjiItbNrdr
- MD5 SHA1 SHA512 SSDEEP