ramnit | 55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b

Analysis

max time kernel
92s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 05:28

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General

Target

55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
Size

193KB
MD5

8feaaa568f5738b665b1e0fb9a7e6f6e
SHA1

f9e794ba8bfdd5bc282483447574e63b1fb96361
SHA256

55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b
SHA512

267d8f3ef61d4dd409db4c4d34bfc1ed2b31eb459637880b33dbb4c3ceaa9a872f871f51ee27144b4f3accb198b62d89dc2786811aebad66dc4957bf2cca673d
SSDEEP

3072:cR2xn3k0CdM1vabyzJYWqSBS9lc+pe0McUDwTgnJKc/qk:cR2J0LS6VDlVLMcebnd/qk

Score

10^/10

ramnit banker discovery 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
Ramnit family
ramnit

Executes dropped EXE 5 IoCs

pid	Process
760	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
3760	WaterMark.exe
2692	WaterMark.exe
324	WaterMarkmgr.exe
1404	WaterMark.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2544-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/760-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/760-25-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-23-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2544-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/324-57-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/memory/324-64-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3760-76-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2692-82-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3760-81-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1404-75-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3760-60-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2692-56-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/1404-90-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/3760-91-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px9431.tmp	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px9441.tmp	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe	WaterMark.exe
File created	C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe	WaterMark.exe
File created	C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe	WaterMark.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\px951C.tmp	WaterMarkmgr.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	WaterMarkmgr.exe

Program crash 3 IoCs

pid	pid_target	Process	procid_target
2412	2668	WerFault.exe	87
1920	1328	WerFault.exe	89
4480	2724	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 8 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	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMarkmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe

Modifies Internet Explorer settings 1 TTPs 55 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3250131219"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150349"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ED1B11CB-BD00-11EF-AF2A-7ECF469E42CC} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ED1D73DA-BD00-11EF-AF2A-7ECF469E42CC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150349"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150349"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3250131219"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150349"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150349"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150349"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3247630749"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441264690"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3247474895"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3247474895"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3247630749"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
3760	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
2692	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe
1404	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	WaterMark.exe
Token: SeDebugPrivilege	2692	WaterMark.exe
Token: SeDebugPrivilege	1404	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2928	iexplore.exe
384	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2928	iexplore.exe
2928	iexplore.exe
384	iexplore.exe
384	iexplore.exe
5040	IEXPLORE.EXE
5040	IEXPLORE.EXE
2932	IEXPLORE.EXE
2932	IEXPLORE.EXE
5040	IEXPLORE.EXE
5040	IEXPLORE.EXE

Suspicious use of UnmapMainImage 6 IoCs

pid	Process
2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
760	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
2692	WaterMark.exe
3760	WaterMark.exe
324	WaterMarkmgr.exe
1404	WaterMark.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 760	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	83
PID 2544 wrote to memory of 760	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	83
PID 2544 wrote to memory of 760	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	83
PID 2544 wrote to memory of 2692	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	84
PID 2544 wrote to memory of 2692	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	84
PID 2544 wrote to memory of 2692	2544	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe	84
PID 760 wrote to memory of 3760	760	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe	85
PID 760 wrote to memory of 3760	760	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe	85
PID 760 wrote to memory of 3760	760	55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe	85
PID 3760 wrote to memory of 324	3760	WaterMark.exe	86
PID 3760 wrote to memory of 324	3760	WaterMark.exe	86
PID 3760 wrote to memory of 324	3760	WaterMark.exe	86
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 3760 wrote to memory of 2668	3760	WaterMark.exe	87
PID 324 wrote to memory of 1404	324	WaterMarkmgr.exe	88
PID 324 wrote to memory of 1404	324	WaterMarkmgr.exe	88
PID 324 wrote to memory of 1404	324	WaterMarkmgr.exe	88
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 2692 wrote to memory of 1328	2692	WaterMark.exe	89
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 1404 wrote to memory of 2724	1404	WaterMark.exe	93
PID 3760 wrote to memory of 2928	3760	WaterMark.exe	99
PID 3760 wrote to memory of 2928	3760	WaterMark.exe	99
PID 3760 wrote to memory of 384	3760	WaterMark.exe	100
PID 3760 wrote to memory of 384	3760	WaterMark.exe	100
PID 2692 wrote to memory of 1104	2692	WaterMark.exe	101
PID 2692 wrote to memory of 1104	2692	WaterMark.exe	101
PID 2692 wrote to memory of 4580	2692	WaterMark.exe	102
PID 2692 wrote to memory of 4580	2692	WaterMark.exe	102
PID 384 wrote to memory of 2932	384	iexplore.exe	105
PID 384 wrote to memory of 2932	384	iexplore.exe	105
PID 384 wrote to memory of 2932	384	iexplore.exe	105
PID 2928 wrote to memory of 5040	2928	iexplore.exe	104
PID 2928 wrote to memory of 5040	2928	iexplore.exe	104
PID 2928 wrote to memory of 5040	2928	iexplore.exe	104
PID 1404 wrote to memory of 820	1404	WaterMark.exe	106
PID 1404 wrote to memory of 820	1404	WaterMark.exe	106
PID 1404 wrote to memory of 3252	1404	WaterMark.exe	107
PID 1404 wrote to memory of 3252	1404	WaterMark.exe	107

C:\Users\Admin\AppData\Local\Temp\55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe
"C:\Users\Admin\AppData\Local\Temp\55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
  C:\Users\Admin\AppData\Local\Temp\55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:3760
  - - C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe
      "C:\Program Files (x86)\Microsoft\WaterMarkmgr.exe"
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:324
    - - C:\Program Files (x86)\Microsoft\WaterMark.exe
        
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        5⤵
        Executes dropped EXE
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of UnmapMainImage
        Suspicious use of WriteProcessMemory
        
        PID:1404
      - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        
        PID:2724
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 204
        7⤵
        Program crash
        
        PID:4480
      - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        6⤵
        Modifies Internet Explorer settings
        
        PID:820
      - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        6⤵
        Modifies Internet Explorer settings
        
        PID:3252
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      PID:2668
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 204
        5⤵
        Program crash
        
        PID:2412
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2928
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2928 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:5040
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:384
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:384 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2932
- C:\Program Files (x86)\Microsoft\WaterMark.exe
  "C:\Program Files (x86)\Microsoft\WaterMark.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1328
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 204
      4⤵
      Program crash
      PID:1920
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:1104
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1328 -ip 1328
1⤵
PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2668 -ip 2668
1⤵
PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2724 -ip 2724
1⤵
PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
193KB

MD5
8feaaa568f5738b665b1e0fb9a7e6f6e

SHA1
f9e794ba8bfdd5bc282483447574e63b1fb96361

SHA256
55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72b

SHA512
267d8f3ef61d4dd409db4c4d34bfc1ed2b31eb459637880b33dbb4c3ceaa9a872f871f51ee27144b4f3accb198b62d89dc2786811aebad66dc4957bf2cca673d

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

Filesize
471B

MD5
641fd00a680e2a2b7c46da9f49d4ac01

SHA1
91342c03f46164a5ffba758b6201387912e09026

SHA256
69b70d73aed768e709b4e26268d4bfbb349d3ed2d7fc7bba042a347b29f1062d

SHA512
004e47e9e0623bf782ad71418257088902bec47d213027287c46393d7a413d69a69fd213df1781d3c49ddde689943d5c5f3ff844fb9cc81c7eeaf331b8a4344f

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

Filesize
404B

MD5
62b13f26008e87f9754653533aff670c

SHA1
07c5d2d268e9709f31aafbf5703886a405bd5e6b

SHA256
455a4d3b03fc690760901f6f6457039cea1b209650612b66f5b47a094c8a0887

SHA512
36daf8e91ef483235d0fb71fc98a5c798a968e3dfa2e014fbb4384d5cfd94d028738479b7120a7b9abbf692d2c97cfaf16518113a1bd21af46c05d7be263da8f

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

Filesize
404B

MD5
b6e004ae2702377487a4cb2225dbbe91

SHA1
729a93c0f7e4a94cce3709e0a850a51372e463c2

SHA256
57760842380ee62ea6e187f0f514b4a45fbb389e42f2bb013219533215ebbf35

SHA512
61aab119f96ead64a1abb8b09c0aaeeab1576667e5b3e691b2e681ec6b0d347047757a8534a74d2a47907c54bd094c9585538454c431dacb6ea7d2e939694c90

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ED1B11CB-BD00-11EF-AF2A-7ECF469E42CC}.dat

Filesize
5KB

MD5
8f8e20aa1682071515557219e76b0574

SHA1
b4b39893903e3d67fe38e5b403b545f7d1c301ea

SHA256
12d97d054d24a4f5ffb9836e02508c01375071f0f40aa122abce308810d1a092

SHA512
c0802d4b61d9f18d9eb7e7f65b487b41e1fff59a8d7d63ddfc83b3efa142f54968c266af79b71d75762a3c34b95096b7dc7cfb9f55442fbcb31c217b05eb457a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ED1D73DA-BD00-11EF-AF2A-7ECF469E42CC}.dat

Filesize
3KB

MD5
c529bf57eb21367d7cf166d994962da6

SHA1
d93667b06cc5378aa5e6ffbd707525b2d4c8b2b4

SHA256
588e202cb671972cc67b9d9e5cfc1bebd77e47dd3d3eaeb761ddb5ab4ac6de24

SHA512
2edf92df82048f4f6ecb0e6f70c3131f5d8c0a537cb5780b64a22490ee2f5bc0f234ffd706e373d6a1a85fbfbf8b37c565419599c3b0672d7f94e45b6ea5e5ae

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver17C9.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\55e88cd765e0cb497c639c7aee4f8e7df4fc0dccb00b65374c1021db84cfd72bmgr.exe

Filesize
95KB

MD5
a4713ab560c0b6fe888ca2c5d6180d16

SHA1
3da4c22c194c479bf18f6c41160bf01b82ce7884

SHA256
25886cf014a17a73ec4b4501686246a082c9caebc87d6dcd789ac73789a1abdf

SHA512
580a4210dcefce49cd333b73e4bc52e7a8a67af839c50382185d133b905b3c759b78ddd1df3825306067de7851b861aa0a9c89d6d3e9b5908ac69d0ef6d2ae9d

Download Submit
memory/324-64-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/324-57-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/760-25-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/760-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/760-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/760-5-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1404-90-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1404-75-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2544-17-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2544-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2544-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2544-4-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2544-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2668-69-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/2668-68-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/2692-87-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/2692-56-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2692-82-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3760-84-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/3760-41-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3760-58-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/3760-60-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3760-91-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3760-63-0x00000000771A2000-0x00000000771A3000-memory.dmp

Filesize
4KB

Download
memory/3760-81-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3760-76-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3760-40-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download