2db2257ad689c4df62b1b53df462cc1200136a43e2d500e3a2331965d3248890

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 02:54

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General

Target

Flash9f.dll
Size

2.9MB
MD5

48fdf435b8595604e54125b321924510
SHA1

e13d25bdac576e95e9134c3f95f0f8cbe94d6185
SHA256

7fcd80f7f56a841a4c5ef950afac8991da71ba9eae82f20db2954c7b4b72efd9
SHA512

86a59d83cc3d39b752b7a9c98e79b3f8fbcca66087926f026aabf5453bde83321928b77947e2aa5f625a53dafc89c0bf224daa7ce004b1851345abe93c6e83f3
SSDEEP

49152:f8CC1JS6n1kypaSNOda/z4FvB015y5S2kQjNQvT4eKfSh5zuSevTTJR02wi:UZ1E6n1kyTn/zSvF55kGxSeR7

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{FAF199D2-BFA7-4394-A4DE-044A08E59B32}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{FAF199D2-BFA7-4394-A4DE-044A08E59B32}\Policy = "3"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{FAF199D2-BFA7-4394-A4DE-044A08E59B32}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{FAF199D2-BFA7-4394-A4DE-044A08E59B32}\AppName = "FlashUtil9f.exe"	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mfp\ = "MacromediaFlashPaper.MacromediaFlashPaper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{FAB3E735-69C7-453B-A446-B6823C6DF1C9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{FAB3E735-69C7-453B-A446-B6823C6DF1C9}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FAB3E735-69C7-453B-A446-B6823C6DF1C9}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FlashUtil9f.exe"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.swf\Content Type = "application/x-shockwave-flash"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.3\ = "Shockwave Flash Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\Interface\{2E4BB6BE-A75F-4DC0-9500-68203655A2C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mfp	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\application/x-shockwave-flash\Extension = ".swf"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D4304BCF-B8E9-4B35-BEA0-DC5B522670C2}\LocalizedString = "@C:\\Users\\Admin\\AppData\\Local\\Temp\\FlashUtil9f.exe,-101"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.3\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\VersionIndependentProgID\ = "ShockwaveFlash.ShockwaveFlash"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Flash9f.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11cf-96B8-444553540000}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.5\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.6\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ = "_IShockwaveFlashEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory.1\ = "Macromedia Flash Factory Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.9\ = "Shockwave Flash Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.spl\Content Type = "application/futuresplash"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ = "_IShockwaveFlashEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D4304BCF-B8E9-4B35-BEA0-DC5B522670C2}\LocalServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FAB3E735-69C7-453B-A446-B6823C6DF1C9}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FlashUtil9f.exe"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\shell\open	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MacromediaFlashPaper.MacromediaFlashPaper\DefaultIcon	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.sor\Content Type = "text/plain"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6C-AE6D-11CF-96B8-444553540000}\TypeLib\ = "{D27CDB6B-AE6D-11CF-96B8-444553540000}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}	regsvr32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{D4304BCF-B8E9-4B35-BEA0-DC5B522670C2}\Elevation	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.8\ = "Shockwave Flash Object"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB6E-AE6D-11cf-96B8-444553540000}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D27CDB70-AE6D-11cf-96B8-444553540000}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D27CDB6B-AE6D-11CF-96B8-444553540000}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Flash9f.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{D27CDB6D-AE6D-11CF-96B8-444553540000}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\FlashFactory.FlashFactory\CurVer\ = "FlashFactory.FlashFactory.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash.7\CLSID\ = "{D27CDB6E-AE6D-11cf-96B8-444553540000}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ShockwaveFlash.ShockwaveFlash	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31
PID 2452 wrote to memory of 936	2452	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Flash9f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Flash9f.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/936-0-0x0000000003810000-0x0000000003C59000-memory.dmp

Filesize
4.3MB

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