floxif | 3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735ee

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Loads dropped DLL 1 IoCs

pid	Process
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IDMan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe /onboot"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\e:	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

Browser Extensions

T1176

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000c000000023b90-1.dat	upx
behavioral2/memory/3232-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3232-14-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3232-391-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3232-412-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3232-2535-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\Policy = "3"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\Policy = "3"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\Policy = "3"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM\contexts = "243"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IEExt.htm"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppName = "3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppName = "IEMonitor.exe"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppName = "3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Modifies registry class 17 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID\ = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\RunAs = "Interactive User"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\AppID = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}\Therad = "1"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\WOW6432Node\CLSID\{E6871B76-C3C8-44DD-B947-ABFFE144860D}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ROTFlags = "1"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	firefox.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan.CIDMLinkTransmitter"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}\Model = "354"	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Token: SeRestorePrivilege	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
Token: SeDebugPrivilege	3716	firefox.exe
Token: SeDebugPrivilege	3716	firefox.exe

Suspicious use of FindShellTrayWindow 22 IoCs

pid	Process
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Suspicious use of SendNotifyMessage 21 IoCs

pid	Process
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3716	firefox.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3716	firefox.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 1872	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe	82
PID 3232 wrote to memory of 1872	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe	82
PID 3232 wrote to memory of 1872	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe	82
PID 3232 wrote to memory of 4392	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe	88
PID 3232 wrote to memory of 4392	3232	3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe	88
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 4392 wrote to memory of 3716	4392	firefox.exe	89
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3280	3716	firefox.exe	90
PID 3716 wrote to memory of 3272	3716	firefox.exe	91
PID 3716 wrote to memory of 3272	3716	firefox.exe	91
PID 3716 wrote to memory of 3272	3716	firefox.exe	91

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe
"C:\Users\Admin\AppData\Local\Temp\3a80eaccf0578865bab1e3b87b009d67031204fb0a6af19dcbc2d77e699735eeN.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1872
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4392
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.internetdownloadmanager.com/support/installffextfrommozillasite.html
    3⤵
    - Checks processor information in registry
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3716
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1984 -parentBuildID 20240401114208 -prefsHandle 1900 -prefMapHandle 1892 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {232ad798-1536-4a68-96b1-5d634bcc9f42} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" gpu
      4⤵
      PID:3280
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2420 -parentBuildID 20240401114208 -prefsHandle 2412 -prefMapHandle 2408 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6eb183e9-e644-41e0-a54a-8d37b5e06056} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" socket
      4⤵
      PID:3272
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3068 -childID 1 -isForBrowser -prefsHandle 3060 -prefMapHandle 2752 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {04b0e0df-3671-47a6-8421-6a44553a5dfb} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:1372
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4044 -childID 2 -isForBrowser -prefsHandle 4036 -prefMapHandle 1252 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {eb01736e-874e-4daf-a3ab-76250fbc4fee} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:2104
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4632 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4548 -prefMapHandle 4560 -prefsLen 29090 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b29b0255-4bee-455c-8751-44f166958ea0} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" utility
      4⤵
      Checks processor information in registry
      PID:4624
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5208 -childID 3 -isForBrowser -prefsHandle 5160 -prefMapHandle 5180 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {bd05f3de-a648-4bf1-861f-72e258eb321a} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:1932
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5352 -childID 4 -isForBrowser -prefsHandle 5360 -prefMapHandle 5364 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {31c7b017-92ae-4e16-98d6-3ce5fdcdb99d} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:3912
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5544 -childID 5 -isForBrowser -prefsHandle 5552 -prefMapHandle 5556 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {cb4ddadb-f91a-45eb-b444-c14f6412946a} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:4164
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5876 -childID 6 -isForBrowser -prefsHandle 3308 -prefMapHandle 3924 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 908 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0ff15e1b-f8e1-465d-a255-aaabe4a9b170} 3716 "\\.\pipe\gecko-crash-server-pipe.3716" tab
      4⤵
      PID:2756
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMIECC64.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMGetAll64.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\downlWithIDM64.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery