c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0

Analysis

max time kernel
148s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:33

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General

Target

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
Size

871KB
MD5

bce3087eeac3bbab211385bed2b623e1
SHA1

cf0614b958640ecbf806740231709d73277e31bb
SHA256

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0
SHA512

2206034082a0cc6636ecfad7dc175a6381922853b06768f2f4a1ac5aee5ccb325f47d955ff6ec6754b3a9241be4aae329f6a3e83a122d23b2cac075f5a861fd2
SSDEEP

24576:2eZJ8NI8NeZJ8NI8zyOMiQeN/7DSBfWho:f8a8Miph7GBfW+

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

regedit.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\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

Processes:

regedit.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe

Executes dropped EXE 1 IoCs

Processes:

KavUpda.exe

pid process

1552 KavUpda.exe

pid	process
1552	KavUpda.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regedit.exe

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

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1664-57-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/1664-83-0x0000000000400000-0x0000000000440000-memory.dmp	upx
\Windows\system\KavUpda.exe	upx
\Windows\system\KavUpda.exe	upx
C:\Windows\system\KavUpda.exe	upx
C:\Windows\system\KavUpda.exe	upx
behavioral1/memory/1552-102-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/1552-140-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe

pid	process
1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

KavUpda.exe

description ioc process

File opened for modification C:\Autorun.inf KavUpda.exe

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

Drops file in System32 directory 2 IoCs

Processes:

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exeKavUpda.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Option.bat	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Windows directory 10 IoCs

Processes:

KavUpda.exec7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe

description	ioc	process
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File created	C:\Windows\Help\HelpCat.exe	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File created	C:\Windows\Sysinf.bat	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
File created	C:\Windows\regedt32.sys	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe

Launches sc.exe 8 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exe

pid process

740 sc.exe
936 sc.exe
1732 sc.exe
1392 sc.exe
956 sc.exe
292 sc.exe
316 sc.exe
928 sc.exe
Runs net.exe
Runs regedit.exe 1 IoCs

Processes:

regedit.exe

pid process

576 regedit.exe

pid	process
740	sc.exe
936	sc.exe
1732	sc.exe
1392	sc.exe
956	sc.exe
292	sc.exe
316	sc.exe
928	sc.exe

pid	process
576	regedit.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

Processes:

KavUpda.exe

description	pid	process
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe
Token: 33	1552	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1552	KavUpda.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exeKavUpda.exe

pid process

1664 c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
1552 KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exenet.execmd.execmd.exenet.exenet.exe

description	pid	process	target process
PID 1664 wrote to memory of 1832	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 1832	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 1832	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 1832	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 108 wrote to memory of 624	108	net.exe	net1.exe
PID 108 wrote to memory of 624	108	net.exe	net1.exe
PID 108 wrote to memory of 624	108	net.exe	net1.exe
PID 108 wrote to memory of 624	108	net.exe	net1.exe
PID 1664 wrote to memory of 1060	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	At.exe
PID 1664 wrote to memory of 1060	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	At.exe
PID 1664 wrote to memory of 1060	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	At.exe
PID 1664 wrote to memory of 1060	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	At.exe
PID 1664 wrote to memory of 584	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 584	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 584	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 584	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 452	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 452	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 452	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 452	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	cmd.exe
PID 1664 wrote to memory of 756	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 756	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 756	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 756	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 932	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 932	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 932	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 932	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 452 wrote to memory of 580	452	cmd.exe	at.exe
PID 452 wrote to memory of 580	452	cmd.exe	at.exe
PID 452 wrote to memory of 580	452	cmd.exe	at.exe
PID 452 wrote to memory of 580	452	cmd.exe	at.exe
PID 584 wrote to memory of 1368	584	cmd.exe	at.exe
PID 584 wrote to memory of 1368	584	cmd.exe	at.exe
PID 584 wrote to memory of 1368	584	cmd.exe	at.exe
PID 584 wrote to memory of 1368	584	cmd.exe	at.exe
PID 1664 wrote to memory of 888	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 888	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 888	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 888	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 544	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 544	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 544	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 544	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 1108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 1108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 1108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 1664 wrote to memory of 1108	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	net.exe
PID 756 wrote to memory of 2008	756	net.exe	net1.exe
PID 756 wrote to memory of 2008	756	net.exe	net1.exe
PID 756 wrote to memory of 2008	756	net.exe	net1.exe
PID 756 wrote to memory of 2008	756	net.exe	net1.exe
PID 932 wrote to memory of 1720	932	net.exe	net1.exe
PID 932 wrote to memory of 1720	932	net.exe	net1.exe
PID 932 wrote to memory of 1720	932	net.exe	net1.exe
PID 932 wrote to memory of 1720	932	net.exe	net1.exe
PID 1664 wrote to memory of 316	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	sc.exe
PID 1664 wrote to memory of 316	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	sc.exe
PID 1664 wrote to memory of 316	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	sc.exe
PID 1664 wrote to memory of 316	1664	c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe	sc.exe

Views/modifies file attributes 1 TTPs 5 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exeattrib.exeattrib.exeattrib.exe

pid process

1928 attrib.exe
672 attrib.exe
976 attrib.exe
1028 attrib.exe
796 attrib.exe

pid	process
1928	attrib.exe
672	attrib.exe
976	attrib.exe
1028	attrib.exe
796	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe
"C:\Users\Admin\AppData\Local\Temp\c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\system32\Option.bat
2⤵
PID:1832

C:\Windows\SysWOW64\net.exe
net.exe start schedule /y
2⤵
- Suspicious use of WriteProcessMemory
PID:108

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
3⤵
PID:624

C:\Windows\SysWOW64\At.exe
At.exe 1:37:33 AM C:\Windows\Help\HelpCat.exe
2⤵
PID:1060

C:\Windows\SysWOW64\cmd.exe
cmd /c at 1:36:35 AM C:\Windows\Sysinf.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:584

C:\Windows\SysWOW64\at.exe
at 1:36:35 AM C:\Windows\Sysinf.bat
3⤵
PID:1368

C:\Windows\SysWOW64\cmd.exe
cmd /c at 1:39:35 AM C:\Windows\Sysinf.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\at.exe
at 1:39:35 AM C:\Windows\Sysinf.bat
3⤵
PID:580

C:\Windows\SysWOW64\net.exe
net.exe stop wscsvc /y
2⤵
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
3⤵
PID:2008

C:\Windows\SysWOW64\net.exe
net.exe stop sharedaccess /y
2⤵
- Suspicious use of WriteProcessMemory
PID:932

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
3⤵
PID:1720

C:\Windows\SysWOW64\net.exe
net.exe stop wuauserv /y
2⤵
PID:888

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
3⤵
PID:1556

C:\Windows\SysWOW64\net.exe
net.exe stop 360timeprot /y
2⤵
PID:1108

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
3⤵
PID:920

C:\Windows\SysWOW64\net.exe
net.exe stop srservice /y
2⤵
PID:544

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
3⤵
PID:952

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config srservice start= disabled
2⤵
- Launches sc.exe
PID:316

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config SharedAccess start= disabled
2⤵
- Launches sc.exe
PID:928

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config wscsvc start= disabled
2⤵
- Launches sc.exe
PID:740

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config srservice start= disabled
2⤵
- Launches sc.exe
PID:936

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:576

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:1612

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:1704

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:1552

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\system32\Option.bat
3⤵
PID:836

C:\Windows\SysWOW64\net.exe
net.exe start schedule /y
3⤵
PID:1172

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
4⤵
PID:964

C:\Windows\SysWOW64\At.exe
At.exe 1:38:30 AM C:\Windows\Help\HelpCat.exe
3⤵
PID:948

C:\Windows\SysWOW64\cmd.exe
cmd /c at 1:37:32 AM C:\Windows\Sysinf.bat
3⤵
PID:1556

C:\Windows\SysWOW64\at.exe
at 1:37:32 AM C:\Windows\Sysinf.bat
4⤵
PID:816

C:\Windows\SysWOW64\cmd.exe
cmd /c at 1:40:33 AM C:\Windows\Sysinf.bat
3⤵
PID:888

C:\Windows\SysWOW64\at.exe
at 1:40:33 AM C:\Windows\Sysinf.bat
4⤵
PID:336

C:\Windows\SysWOW64\net.exe
net.exe stop wscsvc /y
3⤵
PID:1256

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
4⤵
PID:576

C:\Windows\SysWOW64\net.exe
net.exe stop sharedaccess /y
3⤵
PID:1212

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
4⤵
PID:1088

C:\Windows\SysWOW64\net.exe
net.exe stop wuauserv /y
3⤵
PID:624

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
4⤵
PID:1168

C:\Windows\SysWOW64\net.exe
net.exe stop srservice /y
3⤵
PID:1736

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
4⤵
PID:976

C:\Windows\SysWOW64\net.exe
net.exe stop 360timeprot /y
3⤵
PID:580

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
4⤵
PID:1572

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config SharedAccess start= disabled
3⤵
- Launches sc.exe
PID:1732

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config wscsvc start= disabled
3⤵
- Launches sc.exe
PID:1392

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config srservice start= disabled
3⤵
- Launches sc.exe
PID:956

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:1972

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:920

C:\Windows\SysWOW64\sc.exe
C:\Windows\system32\sc.exe config srservice start= disabled
3⤵
- Launches sc.exe
PID:292

C:\Windows\SysWOW64\cmd.exe
cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
3⤵
PID:1996

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
4⤵
- Views/modifies file attributes
PID:1928

C:\Windows\SysWOW64\cmd.exe
cmd /c rmdir C:\Autorun.inf /s /q
3⤵
PID:1672

C:\Windows\SysWOW64\cmd.exe
cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
3⤵
PID:1272

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
4⤵
- Views/modifies file attributes
PID:672

C:\Windows\SysWOW64\cmd.exe
cmd /c rmdir C:\Autorun.inf /s /q
3⤵
PID:1216

C:\Windows\SysWOW64\cmd.exe
cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
3⤵
PID:288

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
4⤵
- Views/modifies file attributes
PID:976

C:\Windows\SysWOW64\cmd.exe
cmd /c rmdir C:\Autorun.inf /s /q
3⤵
PID:292

C:\Windows\SysWOW64\cmd.exe
cmd /c rmdir C:\Autorun.inf /s /q
3⤵
PID:1956

C:\Windows\SysWOW64\cmd.exe
cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
3⤵
PID:360

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
4⤵
- Views/modifies file attributes
PID:1028

C:\Windows\SysWOW64\cmd.exe
cmd /c rmdir C:\Autorun.inf /s /q
3⤵
PID:1652

C:\Windows\SysWOW64\cmd.exe
cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
3⤵
PID:1088

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
4⤵
- Views/modifies file attributes
PID:796

C:\Windows\SysWOW64\net.exe
net.exe stop wscsvc /y
2⤵
PID:1632

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
3⤵
PID:1264

C:\Windows\SysWOW64\net.exe
net.exe stop sharedaccess /y
2⤵
PID:108

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
3⤵
PID:1280

C:\Windows\SysWOW64\net.exe
net.exe stop srservice /y
2⤵
PID:1060

C:\Windows\SysWOW64\net.exe
net.exe stop wuauserv /y
2⤵
PID:740

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
3⤵
PID:1668

C:\Windows\system32\taskeng.exe
taskeng.exe {F6BBF7B2-5900-44E0-96E9-6867F303039C} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

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\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
C:\Windows\system\KavUpda.exe

Filesize
871KB

MD5
bce3087eeac3bbab211385bed2b623e1

SHA1
cf0614b958640ecbf806740231709d73277e31bb

SHA256
c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0

SHA512
2206034082a0cc6636ecfad7dc175a6381922853b06768f2f4a1ac5aee5ccb325f47d955ff6ec6754b3a9241be4aae329f6a3e83a122d23b2cac075f5a861fd2

Download Submit
C:\Windows\system\KavUpda.exe

Filesize
871KB

MD5
bce3087eeac3bbab211385bed2b623e1

SHA1
cf0614b958640ecbf806740231709d73277e31bb

SHA256
c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0

SHA512
2206034082a0cc6636ecfad7dc175a6381922853b06768f2f4a1ac5aee5ccb325f47d955ff6ec6754b3a9241be4aae329f6a3e83a122d23b2cac075f5a861fd2

Download Submit
\Windows\system\KavUpda.exe

Filesize
871KB

MD5
bce3087eeac3bbab211385bed2b623e1

SHA1
cf0614b958640ecbf806740231709d73277e31bb

SHA256
c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0

SHA512
2206034082a0cc6636ecfad7dc175a6381922853b06768f2f4a1ac5aee5ccb325f47d955ff6ec6754b3a9241be4aae329f6a3e83a122d23b2cac075f5a861fd2

Download Submit
\Windows\system\KavUpda.exe

Filesize
871KB

MD5
bce3087eeac3bbab211385bed2b623e1

SHA1
cf0614b958640ecbf806740231709d73277e31bb

SHA256
c7654a85093b08e7dc442b70b59075690cb9598f410c642a0c8d437ea55e8aa0

SHA512
2206034082a0cc6636ecfad7dc175a6381922853b06768f2f4a1ac5aee5ccb325f47d955ff6ec6754b3a9241be4aae329f6a3e83a122d23b2cac075f5a861fd2

Download Submit
memory/108-58-0x0000000000000000-mapping.dmp

Download
memory/108-114-0x0000000000000000-mapping.dmp

Download
memory/288-144-0x0000000000000000-mapping.dmp

Download
memory/292-125-0x0000000000000000-mapping.dmp

Download
memory/316-76-0x0000000000000000-mapping.dmp

Download
memory/336-113-0x0000000000000000-mapping.dmp

Download
memory/452-64-0x0000000000000000-mapping.dmp

Download
memory/544-72-0x0000000000000000-mapping.dmp

Download
memory/576-117-0x0000000000000000-mapping.dmp

Download
memory/576-84-0x0000000000000000-mapping.dmp

Download
memory/580-123-0x0000000000000000-mapping.dmp

Download
memory/580-67-0x0000000000000000-mapping.dmp

Download
memory/584-62-0x0000000000000000-mapping.dmp

Download
memory/624-60-0x0000000000000000-mapping.dmp

Download
memory/624-115-0x0000000000000000-mapping.dmp

Download
memory/672-143-0x0000000000000000-mapping.dmp

Download
memory/740-120-0x0000000000000000-mapping.dmp

Download
memory/740-81-0x0000000000000000-mapping.dmp

Download
memory/756-65-0x0000000000000000-mapping.dmp

Download
memory/816-110-0x0000000000000000-mapping.dmp

Download
memory/836-95-0x0000000000000000-mapping.dmp

Download
memory/888-70-0x0000000000000000-mapping.dmp

Download
memory/888-106-0x0000000000000000-mapping.dmp

Download
memory/920-134-0x0000000000000000-mapping.dmp

Download
memory/920-77-0x0000000000000000-mapping.dmp

Download
memory/928-80-0x0000000000000000-mapping.dmp

Download
memory/932-66-0x0000000000000000-mapping.dmp

Download
memory/936-82-0x0000000000000000-mapping.dmp

Download
memory/948-103-0x0000000000000000-mapping.dmp

Download
memory/952-79-0x0000000000000000-mapping.dmp

Download
memory/956-132-0x0000000000000000-mapping.dmp

Download
memory/964-99-0x0000000000000000-mapping.dmp

Download
memory/976-128-0x0000000000000000-mapping.dmp

Download
memory/1060-122-0x0000000000000000-mapping.dmp

Download
memory/1060-61-0x0000000000000000-mapping.dmp

Download
memory/1060-63-0x0000000074E01000-0x0000000074E03000-memory.dmp

Filesize
8KB

Download
memory/1088-119-0x0000000000000000-mapping.dmp

Download
memory/1108-73-0x0000000000000000-mapping.dmp

Download
memory/1168-124-0x0000000000000000-mapping.dmp

Download
memory/1172-97-0x0000000000000000-mapping.dmp

Download
memory/1212-111-0x0000000000000000-mapping.dmp

Download
memory/1216-142-0x0000000000000000-mapping.dmp

Download
memory/1256-107-0x0000000000000000-mapping.dmp

Download
memory/1264-118-0x0000000000000000-mapping.dmp

Download
memory/1272-141-0x0000000000000000-mapping.dmp

Download
memory/1280-126-0x0000000000000000-mapping.dmp

Download
memory/1368-68-0x0000000000000000-mapping.dmp

Download
memory/1392-131-0x0000000000000000-mapping.dmp

Download
memory/1552-102-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1552-140-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1552-91-0x0000000000000000-mapping.dmp

Download
memory/1556-78-0x0000000000000000-mapping.dmp

Download
memory/1556-105-0x0000000000000000-mapping.dmp

Download
memory/1572-129-0x0000000000000000-mapping.dmp

Download
memory/1612-87-0x0000000000000000-mapping.dmp

Download
memory/1632-109-0x0000000000000000-mapping.dmp

Download
memory/1664-57-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1664-83-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1664-101-0x0000000001D00000-0x0000000001D40000-memory.dmp

Filesize
256KB

Download
memory/1664-100-0x0000000001D00000-0x0000000001D40000-memory.dmp

Filesize
256KB

Download
memory/1664-139-0x0000000001D00000-0x0000000001D40000-memory.dmp

Filesize
256KB

Download
memory/1664-138-0x0000000001D00000-0x0000000001D40000-memory.dmp

Filesize
256KB

Download
memory/1668-127-0x0000000000000000-mapping.dmp

Download
memory/1672-136-0x0000000000000000-mapping.dmp

Download
memory/1704-88-0x0000000000000000-mapping.dmp

Download
memory/1720-75-0x0000000000000000-mapping.dmp

Download
memory/1732-130-0x0000000000000000-mapping.dmp

Download
memory/1736-121-0x0000000000000000-mapping.dmp

Download
memory/1832-56-0x0000000000000000-mapping.dmp

Download
memory/1928-137-0x0000000000000000-mapping.dmp

Download
memory/1972-133-0x0000000000000000-mapping.dmp

Download
memory/1996-135-0x0000000000000000-mapping.dmp

Download
memory/2008-74-0x0000000000000000-mapping.dmp

Download