2775c1b803dbf926b91038d66d15a6ae1322a33f655a0626ad4c23b376850e95

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 03:27

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General

Target

503d5e1209115203196133e5fd2d239c.exe
Size

2.1MB
MD5

503d5e1209115203196133e5fd2d239c
SHA1

ab57cb00ea4b88e1cd9910ad076bb3939e7e0305
SHA256

2775c1b803dbf926b91038d66d15a6ae1322a33f655a0626ad4c23b376850e95
SHA512

70e2ebb1f3dd91f9e6ad0ec913032069a259dc0059da96c9da77fb50e16432301ba4a07d0aeec29b7099b2aa5316fc94b5e5b9d69600b586a764576ca4b40fab
SSDEEP

24576:UuhaSOA2eZJ8NI8NahrOWrTxHrTxOPln2teZlqmT2qmTpJqsaS2ROv:bb8NKT/B/2lnoQqC2qC7lqROv

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	regedit.exe

Blocks application from running via registry modification 17 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe

Executes dropped EXE 2 IoCs

pid	Process
3704	KavUpda.exe
2408	503d5e1209115203196133e5fd2d239c~4.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\Autorun.inf	KavUpda.exe
File opened for modification	C:\Autorun.inf	KavUpda.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe
File created	C:\Windows\SysWOW64\Option.bat	503d5e1209115203196133e5fd2d239c.exe

Drops file in Program Files directory 28 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	503d5e1209115203196133e5fd2d239c.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	503d5e1209115203196133e5fd2d239c.exe
File created	C:\Windows\Help\HelpCat.exe	503d5e1209115203196133e5fd2d239c.exe
File created	C:\Windows\Sysinf.bat	503d5e1209115203196133e5fd2d239c.exe
File created	C:\Windows\regedt32.sys	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	503d5e1209115203196133e5fd2d239c.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe

Launches sc.exe 8 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2900	sc.exe
3212	sc.exe
1556	sc.exe
4960	sc.exe
4772	sc.exe
2844	sc.exe
4116	sc.exe
1980	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
2460	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	3704	KavUpda.exe
Token: SeIncBasePriorityPrivilege	3704	KavUpda.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe
Token: 33	1680	503d5e1209115203196133e5fd2d239c.exe
Token: SeIncBasePriorityPrivilege	1680	503d5e1209115203196133e5fd2d239c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1680	503d5e1209115203196133e5fd2d239c.exe
3704	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1688	1680	503d5e1209115203196133e5fd2d239c.exe	28
PID 1680 wrote to memory of 1688	1680	503d5e1209115203196133e5fd2d239c.exe	28
PID 1680 wrote to memory of 1688	1680	503d5e1209115203196133e5fd2d239c.exe	28
PID 1680 wrote to memory of 5112	1680	503d5e1209115203196133e5fd2d239c.exe	31
PID 1680 wrote to memory of 5112	1680	503d5e1209115203196133e5fd2d239c.exe	31
PID 1680 wrote to memory of 5112	1680	503d5e1209115203196133e5fd2d239c.exe	31
PID 5112 wrote to memory of 3156	5112	net.exe	30
PID 5112 wrote to memory of 3156	5112	net.exe	30
PID 5112 wrote to memory of 3156	5112	net.exe	30
PID 1680 wrote to memory of 4960	1680	503d5e1209115203196133e5fd2d239c.exe	155
PID 1680 wrote to memory of 4960	1680	503d5e1209115203196133e5fd2d239c.exe	155
PID 1680 wrote to memory of 4960	1680	503d5e1209115203196133e5fd2d239c.exe	155
PID 1680 wrote to memory of 2104	1680	503d5e1209115203196133e5fd2d239c.exe	111
PID 1680 wrote to memory of 2104	1680	503d5e1209115203196133e5fd2d239c.exe	111
PID 1680 wrote to memory of 2104	1680	503d5e1209115203196133e5fd2d239c.exe	111
PID 1680 wrote to memory of 3464	1680	503d5e1209115203196133e5fd2d239c.exe	109
PID 1680 wrote to memory of 3464	1680	503d5e1209115203196133e5fd2d239c.exe	109
PID 1680 wrote to memory of 3464	1680	503d5e1209115203196133e5fd2d239c.exe	109
PID 1680 wrote to memory of 2040	1680	503d5e1209115203196133e5fd2d239c.exe	71
PID 1680 wrote to memory of 2040	1680	503d5e1209115203196133e5fd2d239c.exe	71
PID 1680 wrote to memory of 2040	1680	503d5e1209115203196133e5fd2d239c.exe	71
PID 1680 wrote to memory of 2932	1680	503d5e1209115203196133e5fd2d239c.exe	107
PID 1680 wrote to memory of 2932	1680	503d5e1209115203196133e5fd2d239c.exe	107
PID 1680 wrote to memory of 2932	1680	503d5e1209115203196133e5fd2d239c.exe	107
PID 1680 wrote to memory of 208	1680	503d5e1209115203196133e5fd2d239c.exe	106
PID 1680 wrote to memory of 208	1680	503d5e1209115203196133e5fd2d239c.exe	106
PID 1680 wrote to memory of 208	1680	503d5e1209115203196133e5fd2d239c.exe	106
PID 1680 wrote to memory of 4036	1680	503d5e1209115203196133e5fd2d239c.exe	139
PID 1680 wrote to memory of 4036	1680	503d5e1209115203196133e5fd2d239c.exe	139
PID 1680 wrote to memory of 4036	1680	503d5e1209115203196133e5fd2d239c.exe	139
PID 1680 wrote to memory of 1412	1680	503d5e1209115203196133e5fd2d239c.exe	140
PID 1680 wrote to memory of 1412	1680	503d5e1209115203196133e5fd2d239c.exe	140
PID 1680 wrote to memory of 1412	1680	503d5e1209115203196133e5fd2d239c.exe	140
PID 1680 wrote to memory of 1556	1680	503d5e1209115203196133e5fd2d239c.exe	99
PID 1680 wrote to memory of 1556	1680	503d5e1209115203196133e5fd2d239c.exe	99
PID 1680 wrote to memory of 1556	1680	503d5e1209115203196133e5fd2d239c.exe	99
PID 1680 wrote to memory of 3212	1680	503d5e1209115203196133e5fd2d239c.exe	98
PID 1680 wrote to memory of 3212	1680	503d5e1209115203196133e5fd2d239c.exe	98
PID 1680 wrote to memory of 3212	1680	503d5e1209115203196133e5fd2d239c.exe	98
PID 1680 wrote to memory of 2900	1680	503d5e1209115203196133e5fd2d239c.exe	96
PID 1680 wrote to memory of 2900	1680	503d5e1209115203196133e5fd2d239c.exe	96
PID 1680 wrote to memory of 2900	1680	503d5e1209115203196133e5fd2d239c.exe	96
PID 1680 wrote to memory of 1980	1680	503d5e1209115203196133e5fd2d239c.exe	74
PID 1680 wrote to memory of 1980	1680	503d5e1209115203196133e5fd2d239c.exe	74
PID 1680 wrote to memory of 1980	1680	503d5e1209115203196133e5fd2d239c.exe	74
PID 1680 wrote to memory of 2460	1680	503d5e1209115203196133e5fd2d239c.exe	75
PID 1680 wrote to memory of 2460	1680	503d5e1209115203196133e5fd2d239c.exe	75
PID 1680 wrote to memory of 2460	1680	503d5e1209115203196133e5fd2d239c.exe	75
PID 2932 wrote to memory of 2464	2932	net.exe	92
PID 2932 wrote to memory of 2464	2932	net.exe	92
PID 2932 wrote to memory of 2464	2932	net.exe	92
PID 2040 wrote to memory of 3700	2040	net.exe	76
PID 2040 wrote to memory of 3700	2040	net.exe	76
PID 2040 wrote to memory of 3700	2040	net.exe	76
PID 1680 wrote to memory of 2140	1680	503d5e1209115203196133e5fd2d239c.exe	91
PID 1680 wrote to memory of 2140	1680	503d5e1209115203196133e5fd2d239c.exe	91
PID 1680 wrote to memory of 2140	1680	503d5e1209115203196133e5fd2d239c.exe	91
PID 1680 wrote to memory of 3136	1680	503d5e1209115203196133e5fd2d239c.exe	90
PID 1680 wrote to memory of 3136	1680	503d5e1209115203196133e5fd2d239c.exe	90
PID 1680 wrote to memory of 3136	1680	503d5e1209115203196133e5fd2d239c.exe	90
PID 208 wrote to memory of 5108	208	net.exe	89
PID 208 wrote to memory of 5108	208	net.exe	89
PID 208 wrote to memory of 5108	208	net.exe	89
PID 4036 wrote to memory of 3068	4036	net.exe	87

Views/modifies file attributes 1 TTPs 14 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3168	attrib.exe
4976	attrib.exe
4384	attrib.exe
1972	attrib.exe
3616	attrib.exe
2516	attrib.exe
2948	attrib.exe
1320	attrib.exe
4772	attrib.exe
2124	attrib.exe
2632	attrib.exe
2776	attrib.exe
1972	attrib.exe
3116	attrib.exe

C:\Users\Admin\AppData\Local\Temp\503d5e1209115203196133e5fd2d239c.exe
"C:\Users\Admin\AppData\Local\Temp\503d5e1209115203196133e5fd2d239c.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:1688
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5112
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3700
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1980
- C:\Windows\SysWOW64\regedit.exe
  regedit.exe /s C:\Windows\regedt32.sys
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Blocks application from running via registry modification
  - Sets file execution options in registry
  - Runs regedit.exe
  PID:2460
- C:\Windows\system\KavUpda.exe
  C:\Windows\system\KavUpda.exe
  2⤵
  - Executes dropped EXE
  - Drops autorun.inf file
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3704
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:968
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:3612
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:4128
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2752
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4316
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
    3⤵
    PID:3124
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
    3⤵
    PID:1792
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4960
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4772
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2844
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4116
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:3668
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:3436
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2980
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:4996
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 6:17:12 AM C:\Windows\Sysinf.bat
    3⤵
    PID:5008
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 6:14:12 AM C:\Windows\Sysinf.bat
    3⤵
    PID:3980
- - C:\Windows\SysWOW64\At.exe
    At.exe 6:15:10 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:220
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3808
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4248
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1776
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3364
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1424
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1320
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3232
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2332
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4772
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3116
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3852
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4492
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2776
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1856
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3292
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:488
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3464
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4976
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3452
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2660
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4384
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1416
- C:\Windows\SysWOW64\reg.exe
  C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
  2⤵
  PID:3136
- C:\Windows\SysWOW64\reg.exe
  C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
  2⤵
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:3212
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1556
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1412
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:4036
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2896
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:208
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2932
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 6:17:08 AM C:\Windows\Sysinf.bat
  2⤵
  PID:3464
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 6:14:08 AM C:\Windows\Sysinf.bat
  2⤵
  PID:2104
- C:\Windows\SysWOW64\At.exe
  At.exe 6:15:06 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:4960
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:3780
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:3340
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    - Views/modifies file attributes
    PID:2124
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:5116
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4036
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:4440
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\503d5e1209115203196133e5fd2d239c~4.exe
  503d5e1209115203196133e5fd2d239c~4.exe
  2⤵
  - Executes dropped EXE
  PID:2408

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:3156

C:\Windows\SysWOW64\at.exe
at 6:17:08 AM C:\Windows\Sysinf.bat
1⤵
PID:2236

C:\Windows\SysWOW64\at.exe
at 6:14:08 AM C:\Windows\Sysinf.bat
1⤵
PID:3760

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:4380

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:1280

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:3068

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:5108

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2464

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:4604

C:\Windows\SysWOW64\at.exe
at 6:14:12 AM C:\Windows\Sysinf.bat
1⤵
PID:3432

C:\Windows\SysWOW64\at.exe
at 6:17:12 AM C:\Windows\Sysinf.bat
1⤵
PID:4844

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:4612

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:3312

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:828

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1972

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:1412

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1692

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:3012

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:4324

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4772

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:4116

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k WerSvcGroup
1⤵
PID:2980

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:3616

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv 5x1K9O3JT02mMFeCUQQ7dQ.0.2
1⤵
PID:3340

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2516

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2948

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:4380

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
memory/1680-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads