1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d

Analysis

max time kernel
147s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 12:09

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General

Target

1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
Size

1.0MB
MD5

0645e3ee516ab366f2ec30ab92f80c51
SHA1

8b045dbf0d5982e83ea5a8b33a35e0cd0db0e55a
SHA256

1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d
SHA512

6ce7809f51de180c6dc9fd6a3490b67c0021da2e2520b71cc98c7ef7b3be2f61ddf0196d39b287fa00a9de39c94f146772d13c3b6d9325a36b74da07d61c92b0
SSDEEP

24576:3uhaBeZJ8NI8DerQZb+md4wmWOieZJ8NI8hh:YT8DerQZbd2P8n

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
1564	KavUpda.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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
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
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
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\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\360Safe.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\360tray.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\regedit.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\RavMoD.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\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2032-60-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/files/0x0006000000014486-88.dat	upx
behavioral1/files/0x0006000000014486-89.dat	upx
behavioral1/files/0x0006000000014486-91.dat	upx
behavioral1/memory/1564-96-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/files/0x0006000000014486-98.dat	upx
behavioral1/memory/2032-138-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/1564-140-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.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

description	ioc	Process
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	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\system\KavUpda.exe	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File created	C:\Windows\Help\HelpCat.exe	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File created	C:\Windows\regedt32.sys	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File created	C:\Windows\Sysinf.bat	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	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
1016	sc.exe
308	sc.exe
1824	sc.exe
2004	sc.exe
1868	sc.exe
1708	sc.exe
1736	sc.exe
576	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1468	regedit.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe
Token: 33	1564	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1564	KavUpda.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
1564	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1168	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	26
PID 2032 wrote to memory of 1168	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	26
PID 2032 wrote to memory of 1168	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	26
PID 2032 wrote to memory of 1168	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	26
PID 2032 wrote to memory of 1880	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	28
PID 2032 wrote to memory of 1880	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	28
PID 2032 wrote to memory of 1880	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	28
PID 2032 wrote to memory of 1880	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	28
PID 1880 wrote to memory of 1964	1880	net.exe	30
PID 1880 wrote to memory of 1964	1880	net.exe	30
PID 1880 wrote to memory of 1964	1880	net.exe	30
PID 1880 wrote to memory of 1964	1880	net.exe	30
PID 2032 wrote to memory of 320	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	31
PID 2032 wrote to memory of 320	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	31
PID 2032 wrote to memory of 320	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	31
PID 2032 wrote to memory of 320	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	31
PID 2032 wrote to memory of 560	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	33
PID 2032 wrote to memory of 560	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	33
PID 2032 wrote to memory of 560	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	33
PID 2032 wrote to memory of 560	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	33
PID 2032 wrote to memory of 2000	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	34
PID 2032 wrote to memory of 2000	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	34
PID 2032 wrote to memory of 2000	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	34
PID 2032 wrote to memory of 2000	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	34
PID 2032 wrote to memory of 1052	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	36
PID 2032 wrote to memory of 1052	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	36
PID 2032 wrote to memory of 1052	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	36
PID 2032 wrote to memory of 1052	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	36
PID 2032 wrote to memory of 1108	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	39
PID 2032 wrote to memory of 1108	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	39
PID 2032 wrote to memory of 1108	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	39
PID 2032 wrote to memory of 1108	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	39
PID 560 wrote to memory of 1316	560	cmd.exe	40
PID 560 wrote to memory of 1316	560	cmd.exe	40
PID 560 wrote to memory of 1316	560	cmd.exe	40
PID 560 wrote to memory of 1316	560	cmd.exe	40
PID 2032 wrote to memory of 1412	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	42
PID 2032 wrote to memory of 1412	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	42
PID 2032 wrote to memory of 1412	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	42
PID 2032 wrote to memory of 1412	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	42
PID 1052 wrote to memory of 1488	1052	net.exe	47
PID 1052 wrote to memory of 1488	1052	net.exe	47
PID 1052 wrote to memory of 1488	1052	net.exe	47
PID 1052 wrote to memory of 1488	1052	net.exe	47
PID 2000 wrote to memory of 1800	2000	cmd.exe	43
PID 2000 wrote to memory of 1800	2000	cmd.exe	43
PID 2000 wrote to memory of 1800	2000	cmd.exe	43
PID 2000 wrote to memory of 1800	2000	cmd.exe	43
PID 2032 wrote to memory of 968	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	44
PID 2032 wrote to memory of 968	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	44
PID 2032 wrote to memory of 968	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	44
PID 2032 wrote to memory of 968	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	44
PID 2032 wrote to memory of 1148	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	45
PID 2032 wrote to memory of 1148	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	45
PID 2032 wrote to memory of 1148	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	45
PID 2032 wrote to memory of 1148	2032	1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe	45
PID 1108 wrote to memory of 1180	1108	net.exe	49
PID 1108 wrote to memory of 1180	1108	net.exe	49
PID 1108 wrote to memory of 1180	1108	net.exe	49
PID 1108 wrote to memory of 1180	1108	net.exe	49
PID 1412 wrote to memory of 1956	1412	net.exe	51
PID 1412 wrote to memory of 1956	1412	net.exe	51
PID 1412 wrote to memory of 1956	1412	net.exe	51
PID 1412 wrote to memory of 1956	1412	net.exe	51

Views/modifies file attributes 1 TTPs 9 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1516	attrib.exe
1568	attrib.exe
1512	attrib.exe
1868	attrib.exe
1096	attrib.exe
1752	attrib.exe
1388	attrib.exe
992	attrib.exe
1800	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe
"C:\Users\Admin\AppData\Local\Temp\1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:1168
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:1964
- C:\Windows\SysWOW64\At.exe
  At.exe 2:55:02 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:320
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:54:05 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:560
- - C:\Windows\SysWOW64\at.exe
    at 2:54:05 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1316
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:57:05 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Windows\SysWOW64\at.exe
    at 2:57:05 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1800
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1488
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1180
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1412
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1956
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:968
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1816
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1148
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:824
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:576
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1016
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:308
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1824
- 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:1468
- 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:1804
- 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:828
- 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:1564
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1692
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1996
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:680
- - C:\Windows\SysWOW64\At.exe
    At.exe 2:55:14 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:57:17 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1812
  - - C:\Windows\SysWOW64\at.exe
      at 2:57:17 PM C:\Windows\Sysinf.bat
      4⤵
      PID:1460
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:54:17 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1160
  - - C:\Windows\SysWOW64\at.exe
      at 2:54:17 PM C:\Windows\Sysinf.bat
      4⤵
      PID:1384
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1464
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:1684
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1780
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:936
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1600
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:1664
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:576
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:848
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1896
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1744
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2004
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1868
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1708
- - 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:1584
- - 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:1092
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:524
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1488
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1736
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1240
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:924
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:848
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1096
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:320
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1752
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1684
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:560
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:900
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1868
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1884
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:756
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1756
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:828
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1928
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:828
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:908
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1740
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:824
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:960
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:684

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
1.0MB

MD5
0645e3ee516ab366f2ec30ab92f80c51

SHA1
8b045dbf0d5982e83ea5a8b33a35e0cd0db0e55a

SHA256
1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d

SHA512
6ce7809f51de180c6dc9fd6a3490b67c0021da2e2520b71cc98c7ef7b3be2f61ddf0196d39b287fa00a9de39c94f146772d13c3b6d9325a36b74da07d61c92b0

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

Filesize
1.0MB

MD5
0645e3ee516ab366f2ec30ab92f80c51

SHA1
8b045dbf0d5982e83ea5a8b33a35e0cd0db0e55a

SHA256
1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d

SHA512
6ce7809f51de180c6dc9fd6a3490b67c0021da2e2520b71cc98c7ef7b3be2f61ddf0196d39b287fa00a9de39c94f146772d13c3b6d9325a36b74da07d61c92b0

Download Submit
\Windows\system\KavUpda.exe

Filesize
1.0MB

MD5
0645e3ee516ab366f2ec30ab92f80c51

SHA1
8b045dbf0d5982e83ea5a8b33a35e0cd0db0e55a

SHA256
1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d

SHA512
6ce7809f51de180c6dc9fd6a3490b67c0021da2e2520b71cc98c7ef7b3be2f61ddf0196d39b287fa00a9de39c94f146772d13c3b6d9325a36b74da07d61c92b0

Download Submit
\Windows\system\KavUpda.exe

Filesize
1.0MB

MD5
0645e3ee516ab366f2ec30ab92f80c51

SHA1
8b045dbf0d5982e83ea5a8b33a35e0cd0db0e55a

SHA256
1cd2c1b5a0a7130503482670bf57375faa87f06e9e50ca95e2aac18550883b1d

SHA512
6ce7809f51de180c6dc9fd6a3490b67c0021da2e2520b71cc98c7ef7b3be2f61ddf0196d39b287fa00a9de39c94f146772d13c3b6d9325a36b74da07d61c92b0

Download Submit
memory/320-64-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1564-140-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1564-96-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2032-95-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/2032-139-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download
memory/2032-138-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2032-60-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2032-94-0x0000000002580000-0x00000000025C0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads