Analysis
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max time kernel
4s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/12/2022, 13:29
Static task
static1
Behavioral task
behavioral1
Sample
8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a.dll
Resource
win7-20220812-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a.dll
Resource
win10v2004-20220901-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a.dll
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Size
84KB
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MD5
e94314b23e0a09dcd970ec88f58348e0
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SHA1
64e70b2f48d4478e051acdf08cef514b59bb56dc
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SHA256
8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a
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SHA512
e4accc01f9d2cdefbfcc16fc326f64a109acb34715d4f3531734024a5e6782e655670b14ff537048f15defe35d322f72c54555614909e87604bab8c88ac2ef0a
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SSDEEP
1536:YFpM8Tgfcr8l3niOzex9GYIPj1jtBTkj3L7cko1NoLh:YvMNfex3IL1jtu7cj1NoL
Score
3/10
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 1304 1832 WerFault.exe 27 -
Modifies data under HKEY_USERS 22 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.2 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.1 rundll32.exe Key created \REGISTRY\USER\S-1-5-18 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.1 rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.2 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59} rundll32.exe Key created \REGISTRY\USER\.DEFAULT\Software rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59} rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Version = "*" rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R16.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R17.0 rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Settings rundll32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Autodesk\AutoCAD\R18.0 rundll32.exe -
Modifies registry class 20 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0E5CBF21-D15F-11d0-8301-00AA005B4383}\InProcServer32\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ = "QuickFlash" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ = "IEHlprObj.IEHlprObj.1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF604EFE-8897-11D1-B944-00A0C90312E1}\InProcServer32\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\Programmable\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\VersionIndependentProgID\ = "IEHlprObj.IEHlprObj" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1\CLSID\ = "{BF50AC63-19DA-487E-AD4A-0B452D823B59}" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ = "IEHlprObj.IEHlprObj.1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj\CurVer\ rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ = "QuickFlash" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF50AC63-19DA-487E-AD4A-0B452D823B59}\ProgID\ rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1668 wrote to memory of 1832 1668 rundll32.exe 27 PID 1832 wrote to memory of 1304 1832 rundll32.exe 28 PID 1832 wrote to memory of 1304 1832 rundll32.exe 28 PID 1832 wrote to memory of 1304 1832 rundll32.exe 28 PID 1832 wrote to memory of 1304 1832 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8bb474a268af22b7e2ea24855ea7d908855782f330df2cdeba398cc1808b7e7a.dll,#12⤵
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 2323⤵
- Program crash
PID:1304
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