ramnit | ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2

Analysis

max time kernel
91s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 18:38

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General

Target

ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2.dll
Size

200KB
MD5

5929037121c1aba4b90ede6125effd28
SHA1

45d833e9d82d4e9fe1bbb248f7f6100edea8cfe7
SHA256

ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2
SHA512

3ef0dfb24500ff43f696cba52d7e0d6abb4c0f685fd4371cc5796fb8e1db33e5be440dbe46d7ca73a683f1bbc40f965a88c27dfdca0be95c44bff58d62190e2a
SSDEEP

3072:N0q0LA67ygN3R3zsc3rM7Q3AnxzBdDOq2BMgNEurvY9ef4l8q2:aq0LX/3waSxvDD2SJPeff

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

Processes:

regsvr32mgr.exeWaterMark.exe

pid process

1448 regsvr32mgr.exe
3980 WaterMark.exe

pid	process
1448	regsvr32mgr.exe
3980	WaterMark.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1448-138-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1448-139-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1448-143-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3980-150-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-151-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-152-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-153-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-156-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-157-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-158-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral2/memory/3980-159-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe

description	ioc	process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Drops file in Program Files directory 3 IoCs

Processes:

regsvr32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft\pxB412.tmp	regsvr32mgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	regsvr32mgr.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1096 724 WerFault.exe svchost.exe

pid	pid_target	process	target process
1096	724	WerFault.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 49 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2B118DC9-6B5E-11ED-A0EE-567C1489C33F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2B11B4D9-6B5E-11ED-A0EE-567C1489C33F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4290632434"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998379"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998378"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998379"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4290476875"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998378"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4290632434"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998378"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "6604308"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "6917975"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375993747"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4290476875"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998378"	iexplore.exe

Modifies registry class 43 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand\CLSID\ = "{0A4286EA-E355-44FB-8086-AF3DF7645BD9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\ProgID\ = "WMP.DeskBand.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\VersionIndependentProgID\ = "WMP.DeskBand"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib\ = "{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib\ = "{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand.1\CLSID\ = "{0A4286EA-E355-44FB-8086-AF3DF7645BD9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\ = "Windows Media Player"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ = "IWMPDeskBand"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\Implemented Categories\{00021492-0000-0000-C000-000000000046}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\ = "WMPDeskBand 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{B6DD1ED6-573F-40FD-99A1-F28D8BF23916}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\ = "IWMPDeskBand"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{0A55922C-3B1F-469B-8D0D-B15060499A52}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand.1\ = "Windows Media Player"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WMP.DeskBand\ = "Windows Media Player"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0A4286EA-E355-44FB-8086-AF3DF7645BD9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2.dll"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

WaterMark.exe

pid	process
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe
3980	WaterMark.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

2064 iexplore.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WaterMark.exe

description pid process

Token: SeDebugPrivilege 3980 WaterMark.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exeiexplore.exe

pid process

3620 iexplore.exe
2064 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	3980	WaterMark.exe

pid	process
3620	iexplore.exe
2064	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEIEXPLORE.EXE

pid	process
2064	iexplore.exe
2064	iexplore.exe
3620	iexplore.exe
3620	iexplore.exe
328	IEXPLORE.EXE
328	IEXPLORE.EXE
3808	IEXPLORE.EXE
3808	IEXPLORE.EXE
328	IEXPLORE.EXE
328	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

Processes:

regsvr32mgr.exeWaterMark.exe

pid process

1448 regsvr32mgr.exe
3980 WaterMark.exe

pid	process
1448	regsvr32mgr.exe
3980	WaterMark.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

regsvr32.exeregsvr32.exeregsvr32mgr.exeWaterMark.exeiexplore.exeiexplore.exe

description	pid	process	target process
PID 4848 wrote to memory of 2836	4848	regsvr32.exe	regsvr32.exe
PID 4848 wrote to memory of 2836	4848	regsvr32.exe	regsvr32.exe
PID 4848 wrote to memory of 2836	4848	regsvr32.exe	regsvr32.exe
PID 2836 wrote to memory of 1448	2836	regsvr32.exe	regsvr32mgr.exe
PID 2836 wrote to memory of 1448	2836	regsvr32.exe	regsvr32mgr.exe
PID 2836 wrote to memory of 1448	2836	regsvr32.exe	regsvr32mgr.exe
PID 1448 wrote to memory of 3980	1448	regsvr32mgr.exe	WaterMark.exe
PID 1448 wrote to memory of 3980	1448	regsvr32mgr.exe	WaterMark.exe
PID 1448 wrote to memory of 3980	1448	regsvr32mgr.exe	WaterMark.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 724	3980	WaterMark.exe	svchost.exe
PID 3980 wrote to memory of 3620	3980	WaterMark.exe	iexplore.exe
PID 3980 wrote to memory of 3620	3980	WaterMark.exe	iexplore.exe
PID 3980 wrote to memory of 2064	3980	WaterMark.exe	iexplore.exe
PID 3980 wrote to memory of 2064	3980	WaterMark.exe	iexplore.exe
PID 2064 wrote to memory of 328	2064	iexplore.exe	IEXPLORE.EXE
PID 2064 wrote to memory of 328	2064	iexplore.exe	IEXPLORE.EXE
PID 2064 wrote to memory of 328	2064	iexplore.exe	IEXPLORE.EXE
PID 3620 wrote to memory of 3808	3620	iexplore.exe	IEXPLORE.EXE
PID 3620 wrote to memory of 3808	3620	iexplore.exe	IEXPLORE.EXE
PID 3620 wrote to memory of 3808	3620	iexplore.exe	IEXPLORE.EXE

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4848

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\ffe3d90040f1e5a001c3d80ac20cf64230e97371933c68f8526c62d084b22bd2.dll
2⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2836

C:\Windows\SysWOW64\regsvr32mgr.exe
C:\Windows\SysWOW64\regsvr32mgr.exe
3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1448

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
5⤵
PID:724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 724 -s 204
6⤵
- Program crash
PID:1096

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:3620

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3620 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3808

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
5⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2064

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2064 CREDAT:17410 /prefetch:2
6⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 724 -ip 724
1⤵
PID:4872

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\WaterMark.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

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

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
e32d02ce684c01ef3af05fae9066160e

SHA1
29c7a6e8ed553ac2765634265d1db041d6d422ec

SHA256
b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71

SHA512
e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
e32d02ce684c01ef3af05fae9066160e

SHA1
29c7a6e8ed553ac2765634265d1db041d6d422ec

SHA256
b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71

SHA512
e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
d0462c2b1b1b478e23ed0d0c623753b1

SHA1
f63e5f353133c13462d64613ae7668abe1325aa6

SHA256
24bb4d49c6c6cf349f29be985928af0e249426e008ceb0701cf6bb8decf9110d

SHA512
3da6d7cbb7d6e0983cca600db5b57d844ea85cb9fa1396556837d446504af4b9d5fcea458ef89afa1e0c0b319de767613383b473829eda59abb7abb3901e62e2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
434B

MD5
8c0485a4decf2025c0dac3ee4a68c17c

SHA1
675045d1304e65fb8b303550dba14bc6c59dcd4d

SHA256
4269254bcf35d241b671f022557175c21d61b5c4ed568339408b27a6d09dbcec

SHA512
5a9e0b558c32b66e116c31f957538064b06c6e33401dde30a1883056e9ef4f94c3c54c52650209a839f847f4a0bfe5d8f25b1092f1872034106964bd46e58ea1

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2B118DC9-6B5E-11ED-A0EE-567C1489C33F}.dat

Filesize
3KB

MD5
7fe554dc999a1a9c7d84b1e27db6d053

SHA1
341d6b2913568377e4debf6c368a731484da9fe6

SHA256
2a82d284fa6dcf9c694b5ae507ea69d1670856380a2bdc1a678d5a691866858f

SHA512
a8b50b2501935e98b2dc473220010996061b720662791a22e13cca6ba883962f25fd42db3be6e6ca9f30fe4b280ee89bd9c624874db08d563875a7799d7f19f5

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2B11B4D9-6B5E-11ED-A0EE-567C1489C33F}.dat

Filesize
5KB

MD5
f111738524617404b2f9936a0c2d73e8

SHA1
f7fb2223bf6b4db3898652669a4aaa7063f3010c

SHA256
e9d7fc0360454a293f2f737ec47c224b035e2ca99e14a772567756595c6b59bd

SHA512
408ed0f7441f7ab80ce2f6df57ae57ddbe38411ba2166838efbb0de738e4fb1412a97af9b18181c45cbac8738953d0dfb1c28a1714b747c257285d0e3d47c0f9

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
C:\Windows\SysWOW64\regsvr32mgr.exe

Filesize
119KB

MD5
9d5d609dc8e2554054733d19eed45c5c

SHA1
ce72453fca9f477940a9def32bd8463549c6e1e4

SHA256
7a85b3db04beb0c4b6a8929fdf79726bcf1084efab0a9f04a8ebaa0a2bc9e0b1

SHA512
012cabde17ed1c1d1a48b5bc136591ff9c8e261e5da8bc7f67d0bd235a32150f63274362cdeef2376d2d5a38dfb0c9acc7cd3aa5244c1858b88b183f8cbe550b

Download Submit
memory/724-149-0x0000000000000000-mapping.dmp

Download
memory/1448-138-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1448-143-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1448-139-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1448-133-0x0000000000000000-mapping.dmp

Download
memory/2836-132-0x0000000000000000-mapping.dmp

Download
memory/3980-151-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-156-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-157-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-158-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-159-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3980-153-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-152-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-150-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3980-140-0x0000000000000000-mapping.dmp

Download