ramnit | 3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92

Analysis

max time kernel
97s
max time network
148s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 17:53

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General

Target

3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll
Size

1.0MB
MD5

4e0f468569483683ba2834c238aa4800
SHA1

00e6092bc12306d849437a1938427769da32f10b
SHA256

3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92
SHA512

665f66bc86ef5e61cc254cc93acc8a5921f1097d627e4596e309269e0ef2c3f1a12aa2f2a244b56b3825adf71b7b29d578dce0fc7c1346d77946dfdd1af5186f
SSDEEP

24576:ZWGz5BWMOxV1RVG86D35AWm+9MPIWbN7wby3AV:MMcR2zXGQWbNr3AV

Score

10^/10

ramnit banker spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

Executes dropped EXE 2 IoCs

pid	Process
1668	regsvr32Srv.exe
1304	DesktopLayer.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c0000000054a8-57.dat	upx
behavioral1/files/0x000c0000000054a8-59.dat	upx
behavioral1/files/0x000c0000000054a8-61.dat	upx
behavioral1/files/0x0009000000013473-62.dat	upx
behavioral1/memory/1668-64-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0009000000013473-65.dat	upx
behavioral1/files/0x0009000000013473-67.dat	upx
behavioral1/memory/1304-68-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1044	regsvr32.exe
1668	regsvr32Srv.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32Srv.exe	regsvr32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px407.tmp	regsvr32Srv.exe
File created	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe
File opened for modification	C:\Program Files (x86)\Microsoft\DesktopLayer.exe	regsvr32Srv.exe

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371419451"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{CABEBF41-41C3-11ED-99B1-EA25B6F29539} = "0"	iexplore.exe

Modifies registry class 58 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\ = "DVSTimingPPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\ = "DirectVobSub"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\ = "DVSGeneralPPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\ = "DVSZoomPPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\ = "DVSAboutPPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\FilterData = 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\ = "DVSPathsPPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F544E0F5-CA3C-47EA-A64D-35FCF1602396}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\CLSID = "{9852A670-F845-491B-9BE6-EBD841B8A613}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\FriendlyName = "DirectVobSub"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\FriendlyName = "DirectVobSub (auto-loading version)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{525F116F-04AD-40A2-AE2F-A0C4E1AFEF98}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\ = "DVSColorPPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\CLSID = "{93A22E7A-5091-45EF-BA61-6DA26156A5D0}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\ = "DirectVobSub (auto-loading version)"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{ACE4747B-35BD-4E97-9DD7-1D4245B0695C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CE77C59C-CFD2-429F-868C-8B04D23F94CA}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A8B25C0E-0894-4531-B668-AB1599FAF7F6}\ = "DVSMiscPPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{60765CF5-01C2-4EE7-A44B-C791CF25FEA0}\ = "DVSMainPPage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0180E49C-13BF-46DB-9AFD-9F52292E1C22}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{9852A670-F845-491B-9BE6-EBD841B8A613}\FilterData = 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	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{93A22E7A-5091-45EF-BA61-6DA26156A5D0}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9852A670-F845-491B-9BE6-EBD841B8A613}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C2D6D98F-09CA-4524-AF64-1049B5665C9C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1304	DesktopLayer.exe
1304	DesktopLayer.exe
1304	DesktopLayer.exe
1304	DesktopLayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1768	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1768	iexplore.exe
1768	iexplore.exe
1300	IEXPLORE.EXE
1300	IEXPLORE.EXE
1300	IEXPLORE.EXE
1300	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1604 wrote to memory of 1044	1604	regsvr32.exe	27
PID 1044 wrote to memory of 1668	1044	regsvr32.exe	28
PID 1044 wrote to memory of 1668	1044	regsvr32.exe	28
PID 1044 wrote to memory of 1668	1044	regsvr32.exe	28
PID 1044 wrote to memory of 1668	1044	regsvr32.exe	28
PID 1668 wrote to memory of 1304	1668	regsvr32Srv.exe	29
PID 1668 wrote to memory of 1304	1668	regsvr32Srv.exe	29
PID 1668 wrote to memory of 1304	1668	regsvr32Srv.exe	29
PID 1668 wrote to memory of 1304	1668	regsvr32Srv.exe	29
PID 1304 wrote to memory of 1768	1304	DesktopLayer.exe	30
PID 1304 wrote to memory of 1768	1304	DesktopLayer.exe	30
PID 1304 wrote to memory of 1768	1304	DesktopLayer.exe	30
PID 1304 wrote to memory of 1768	1304	DesktopLayer.exe	30
PID 1768 wrote to memory of 1300	1768	iexplore.exe	32
PID 1768 wrote to memory of 1300	1768	iexplore.exe	32
PID 1768 wrote to memory of 1300	1768	iexplore.exe	32
PID 1768 wrote to memory of 1300	1768	iexplore.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3123d3ce135ff1aec5c6efb70067fbdfa9331d75707a65a3c70d022003ea3a92.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\regsvr32Srv.exe
    C:\Windows\SysWOW64\regsvr32Srv.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Program Files (x86)\Microsoft\DesktopLayer.exe
      "C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1304
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:1768
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1768 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\93XXQQ77.txt

Filesize
608B

MD5
100fc8e4fe21708a91ffc5ac5a101ef4

SHA1
d5821f37319ff261a5446df95b7b22e60b1fbd74

SHA256
02ed0ba80527fd028c7b4369be760025c60e5e3930341085cad05eeed1b98732

SHA512
8b40330e1ecea395ab0b3fc2558c0cb03a24481e561f875de5642bdb0661bd40dceef466922132fdc9ea1e14537468202f850ddd31ef97d1af27309095e62e94

Download Submit
C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
C:\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Program Files (x86)\Microsoft\DesktopLayer.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
\Windows\SysWOW64\regsvr32Srv.exe

Filesize
55KB

MD5
ff5e1f27193ce51eec318714ef038bef

SHA1
b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6

SHA256
fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320

SHA512
c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a

Download Submit
memory/1044-56-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1304-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1604-54-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download
memory/1668-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download