floxif | 616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Loads dropped DLL 1 IoCs

pid	Process
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IDMan = "C:\\Users\\Admin\\AppData\\Local\\Temp\\616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe /onboot"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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:	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\ = "IDM Helper"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0055C089-8582-441B-A0BF-17B458C2A3A8}\NoExplorer = "1"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b0e-1.dat	upx
behavioral2/memory/3540-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3540-14-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3540-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3540-404-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3540-425-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3540-2613-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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
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\Update Revision	firefox.exe
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

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\Policy = "3"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppName = "IEMonitor.exe"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}\Policy = "3"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\Policy = "3"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{E0DACC63-037F-46EE-AC02-E4C7B0FBFEB4}\AppName = "616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IEExt.htm"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Download with IDM\contexts = "243"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppPath = "C:\\Users\\Admin\\AppData\\Local\\Temp"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{1902485B-CE75-42C1-BA2D-57E660793D9A}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Low Rights\DragDrop\{19129CDA-AFC0-4330-99BC-C5A834F89006}\AppName = "616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DownloadUI = "{7D11E719-FF90-479C-B0D7-96EB43EE55D7}"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\RunAs = "Interactive User"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IDMan.CIDMLinkTransmitter\CLSID\ = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan.CIDMLinkTransmitter"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\AppID = "{AC746233-E9D3-49CD-862F-068F7B7CCCA4}"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\WOW6432Node\CLSID\{E6871B76-C3C8-44DD-B947-ABFFE144860D}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\LocalServer32	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ = "IDMan"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{AC746233-E9D3-49CD-862F-068F7B7CCCA4}\ROTFlags = "1"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	firefox.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}\Model = "346"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\WOW6432Node\CLSID\{79873CC5-3951-43ED-BDF9-D8759474B6FD}\Therad = "1"	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Token: SeRestorePrivilege	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
Token: SeDebugPrivilege	4908	firefox.exe
Token: SeDebugPrivilege	4908	firefox.exe
Token: SeDebugPrivilege	4908	firefox.exe
Token: SeDebugPrivilege	4908	firefox.exe
Token: SeDebugPrivilege	4908	firefox.exe

Suspicious use of FindShellTrayWindow 22 IoCs

pid	Process
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Suspicious use of SendNotifyMessage 21 IoCs

pid	Process
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
4908	firefox.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
4908	firefox.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 392	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe	86
PID 3540 wrote to memory of 392	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe	86
PID 3540 wrote to memory of 392	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe	86
PID 3540 wrote to memory of 3664	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe	92
PID 3540 wrote to memory of 3664	3540	616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe	92
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 3664 wrote to memory of 4908	3664	firefox.exe	93
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 2764	4908	firefox.exe	94
PID 4908 wrote to memory of 412	4908	firefox.exe	98
PID 4908 wrote to memory of 412	4908	firefox.exe	98
PID 4908 wrote to memory of 412	4908	firefox.exe	98

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\616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.exe
"C:\Users\Admin\AppData\Local\Temp\616a99640b56604a9e4ea7efc51d2b9ce3c1929a5fbf99f575edf8885189aa21.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:3540
- 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:392
- 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:3664
- - 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:4908
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1984 -parentBuildID 20240401114208 -prefsHandle 1912 -prefMapHandle 1904 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7b541f69-e757-4d3c-a16e-d3b45c725c96} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" gpu
      4⤵
      PID:2764
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2420 -parentBuildID 20240401114208 -prefsHandle 2396 -prefMapHandle 2392 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b48b2aa7-1a79-472f-91f3-ec26b8cd2752} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" socket
      4⤵
      PID:412
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3176 -childID 1 -isForBrowser -prefsHandle 3084 -prefMapHandle 3244 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {87da30de-6ed7-4f0d-aafb-9f9bfe2469e0} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:5076
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4020 -childID 2 -isForBrowser -prefsHandle 4044 -prefMapHandle 4040 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fe9e092a-7b65-4da5-b0d0-6ce20d4c07f8} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:4788
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4752 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4692 -prefMapHandle 4764 -prefsLen 29090 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0e3428d9-67ef-4a4f-acbd-8da6b9e0feba} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" utility
      4⤵
      Checks processor information in registry
      PID:4920
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5208 -childID 3 -isForBrowser -prefsHandle 5056 -prefMapHandle 5144 -prefsLen 29197 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4592cc62-6975-4802-9a21-1377ef53fad8} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:5536
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5540 -childID 4 -isForBrowser -prefsHandle 5532 -prefMapHandle 5528 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1ebc61a3-8234-40a2-86eb-2210b5db4e97} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:5852
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5684 -childID 5 -isForBrowser -prefsHandle 5552 -prefMapHandle 5468 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {54a878df-4b47-4f05-97ed-99d0d0812495} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:5876
  - - C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5872 -childID 6 -isForBrowser -prefsHandle 5880 -prefMapHandle 5888 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1268 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dcd51aab-81b7-49fd-b675-6928245f44c8} 4908 "\\.\pipe\gecko-crash-server-pipe.4908" tab
      4⤵
      PID:5892
- 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:4044
- 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:3288
- 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:1516
- 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:1240

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