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Analysis
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max time kernel
41s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
06/12/2022, 05:49
Static task
static1
Behavioral task
behavioral1
Sample
f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e.dll
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e.dll
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Size
644KB
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MD5
22eda2d564bb3a91ec57fdc66a67c2b2
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SHA1
521fd12b797365357bea5b498773f83f21ef5701
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SHA256
f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e
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SHA512
42363101fb925248b950c6b2e30aad761f7e640b750fb4bac43d86a45fa98728043c668e21fa3ab8ecb196eddb0218f8b0402c91cac529f6cad3372f95d11368
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SSDEEP
6144:Pee4VlHZvnlQ3KSYDQJkNmyC2hT8GEtl6kNXQoOglQPokKTUHoqI5a4wFQ:G15tQZYDjmF2hT8GE5XQoOvjAY
Score
7/10
Malware Config
Signatures
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1088 1108 WerFault.exe 27 -
Modifies registry class 44 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\AuxUserType rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\Conversion\Readable\Main\ = "Equation,Equation.2,1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\2\ = "1,1,1,3" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DefaultIcon\ = "C:\\Windows\\Installer\\{90140000-006E-0409-0000-0000000FF1CE}\\misc.exe,10" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\MiscStatus\ = "0" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\VersionIndependentProgID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\2 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\MiscStatus\16 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\verb\0 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\verb\1 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\AuxUserType\3\ = "Microsoft Equation Editor 3.0" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\Conversion rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\verb rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\AuxUserType\3 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DefaultIcon rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\InprocHandler32\ = "ole32.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\MiscStatus\16\ = "1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\ProgID\ = "Equation.3" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\AuxUserType\2 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\0 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\1\ = "Embed_Source,1,8,1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\InProcHandler\ = "ole2.dll" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\LocalServer32 rundll32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\LocalServer32\LocalServer32 = 780062002700420056004e002900380041002400210021002100210021004d004b004b0053006b004500710075006100740069006f006e0045006400690074006f007200460069006c006500730049006e0074006c005f0031003000330033003e0042006f0054005d006a0049007b006a00660028003d00310026004c005b002d00380031002d005d0000000000 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\MiscStatus rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\AuxUserType\2\ = "Equation" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\1 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\3 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\InProcHandler rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\InprocHandler32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\ProgID rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\verb\0\ = "&Edit,0,2" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\ = "Microsoft Equation 3.0" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\Conversion\Readable rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\Conversion\Readable\Main rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\0\ = "Document,1,1,3" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\DataFormats\GetSet\3\ = "3,1,32,1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\Insertable rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\verb\1\ = "&Open,0,2" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\LocalServer32\ = "C:\\PROGRA~2\\COMMON~1\\MICROS~1\\EQUATION\\EQNEDT32.EXE" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5749F410-CFB5-B3EE-4F33-CB8F4F0FEFC4}\VersionIndependentProgID\ = "Equations" rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1108 rundll32.exe Token: SeIncBasePriorityPrivilege 1108 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 360 wrote to memory of 1108 360 rundll32.exe 27 PID 1108 wrote to memory of 1088 1108 rundll32.exe 28 PID 1108 wrote to memory of 1088 1108 rundll32.exe 28 PID 1108 wrote to memory of 1088 1108 rundll32.exe 28 PID 1108 wrote to memory of 1088 1108 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:360 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f60d5a71a2580ea82e24aeffa140e6b235c3bca02d6d04f5e1296713c43e1d5e.dll,#12⤵
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 4643⤵
- Program crash
PID:1088
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