0435630de825dd430f2daed1d5b0fb6eed10465d15c39ebb2c73e9123686f74d

Analysis

max time kernel
143s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
06-01-2024 12:26

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General

Target

4639fd1424410d170bab5c844abf1ee3.exe
Size

4.0MB
MD5

4639fd1424410d170bab5c844abf1ee3
SHA1

deb32ba3ae003d7f88d3adc026be0cd031023f48
SHA256

0435630de825dd430f2daed1d5b0fb6eed10465d15c39ebb2c73e9123686f74d
SHA512

3bfedb60d47dd986d528d5832d0ca770c5b243b69f55bcdc1b9eabc3385b44007040e5ad162d0b9433bdc93f58a0a2bffc04eaad2daaea1936b26273c4d799b6
SSDEEP

98304:drQZQrQZdrQZQrQZdrQZQrQZdrQZQrQZqrQZ1:dr2Qr2dr2Qr2dr2Qr2dr2Qr2qr21

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-1-5-21-1603059206-2004189698-4139800220-1000\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 (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.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\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.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\regedit.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\RfwMain.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\Rav.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
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\Rfwsrv.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
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\Rfwsrv.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\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe

Executes dropped EXE 2 IoCs

pid	Process
2028	KavUpda.exe
2928	4639fd1424410d170bab5c844abf1ee3~4.exe

Loads dropped DLL 4 IoCs

pid	Process
1756	4639fd1424410d170bab5c844abf1ee3.exe
1756	4639fd1424410d170bab5c844abf1ee3.exe
1756	4639fd1424410d170bab5c844abf1ee3.exe
1756	4639fd1424410d170bab5c844abf1ee3.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 created	C:\Windows\SysWOW64\Option.bat	4639fd1424410d170bab5c844abf1ee3.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\Help\HelpCat.exe	4639fd1424410d170bab5c844abf1ee3.exe
File created	C:\Windows\regedt32.sys	4639fd1424410d170bab5c844abf1ee3.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	4639fd1424410d170bab5c844abf1ee3.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	4639fd1424410d170bab5c844abf1ee3.exe
File created	C:\Windows\Sysinf.bat	4639fd1424410d170bab5c844abf1ee3.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	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
3032	sc.exe
584	sc.exe
704	sc.exe
872	sc.exe
1144	sc.exe
1392	sc.exe
2468	sc.exe
2288	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
2832	regedit.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe
Token: 33	2028	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2028	KavUpda.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1756	4639fd1424410d170bab5c844abf1ee3.exe
2028	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2264	1756	4639fd1424410d170bab5c844abf1ee3.exe	29
PID 1756 wrote to memory of 2264	1756	4639fd1424410d170bab5c844abf1ee3.exe	29
PID 1756 wrote to memory of 2264	1756	4639fd1424410d170bab5c844abf1ee3.exe	29
PID 1756 wrote to memory of 2264	1756	4639fd1424410d170bab5c844abf1ee3.exe	29
PID 1756 wrote to memory of 2804	1756	4639fd1424410d170bab5c844abf1ee3.exe	30
PID 1756 wrote to memory of 2804	1756	4639fd1424410d170bab5c844abf1ee3.exe	30
PID 1756 wrote to memory of 2804	1756	4639fd1424410d170bab5c844abf1ee3.exe	30
PID 1756 wrote to memory of 2804	1756	4639fd1424410d170bab5c844abf1ee3.exe	30
PID 2804 wrote to memory of 2444	2804	net.exe	32
PID 2804 wrote to memory of 2444	2804	net.exe	32
PID 2804 wrote to memory of 2444	2804	net.exe	32
PID 2804 wrote to memory of 2444	2804	net.exe	32
PID 1756 wrote to memory of 2368	1756	4639fd1424410d170bab5c844abf1ee3.exe	33
PID 1756 wrote to memory of 2368	1756	4639fd1424410d170bab5c844abf1ee3.exe	33
PID 1756 wrote to memory of 2368	1756	4639fd1424410d170bab5c844abf1ee3.exe	33
PID 1756 wrote to memory of 2368	1756	4639fd1424410d170bab5c844abf1ee3.exe	33
PID 1756 wrote to memory of 2764	1756	4639fd1424410d170bab5c844abf1ee3.exe	40
PID 1756 wrote to memory of 2764	1756	4639fd1424410d170bab5c844abf1ee3.exe	40
PID 1756 wrote to memory of 2764	1756	4639fd1424410d170bab5c844abf1ee3.exe	40
PID 1756 wrote to memory of 2764	1756	4639fd1424410d170bab5c844abf1ee3.exe	40
PID 1756 wrote to memory of 2436	1756	4639fd1424410d170bab5c844abf1ee3.exe	39
PID 1756 wrote to memory of 2436	1756	4639fd1424410d170bab5c844abf1ee3.exe	39
PID 1756 wrote to memory of 2436	1756	4639fd1424410d170bab5c844abf1ee3.exe	39
PID 1756 wrote to memory of 2436	1756	4639fd1424410d170bab5c844abf1ee3.exe	39
PID 1756 wrote to memory of 2916	1756	4639fd1424410d170bab5c844abf1ee3.exe	38
PID 1756 wrote to memory of 2916	1756	4639fd1424410d170bab5c844abf1ee3.exe	38
PID 1756 wrote to memory of 2916	1756	4639fd1424410d170bab5c844abf1ee3.exe	38
PID 1756 wrote to memory of 2916	1756	4639fd1424410d170bab5c844abf1ee3.exe	38
PID 1756 wrote to memory of 2732	1756	4639fd1424410d170bab5c844abf1ee3.exe	35
PID 1756 wrote to memory of 2732	1756	4639fd1424410d170bab5c844abf1ee3.exe	35
PID 1756 wrote to memory of 2732	1756	4639fd1424410d170bab5c844abf1ee3.exe	35
PID 1756 wrote to memory of 2732	1756	4639fd1424410d170bab5c844abf1ee3.exe	35
PID 1756 wrote to memory of 2212	1756	4639fd1424410d170bab5c844abf1ee3.exe	41
PID 1756 wrote to memory of 2212	1756	4639fd1424410d170bab5c844abf1ee3.exe	41
PID 1756 wrote to memory of 2212	1756	4639fd1424410d170bab5c844abf1ee3.exe	41
PID 1756 wrote to memory of 2212	1756	4639fd1424410d170bab5c844abf1ee3.exe	41
PID 1756 wrote to memory of 2608	1756	4639fd1424410d170bab5c844abf1ee3.exe	45
PID 1756 wrote to memory of 2608	1756	4639fd1424410d170bab5c844abf1ee3.exe	45
PID 1756 wrote to memory of 2608	1756	4639fd1424410d170bab5c844abf1ee3.exe	45
PID 1756 wrote to memory of 2608	1756	4639fd1424410d170bab5c844abf1ee3.exe	45
PID 1756 wrote to memory of 2564	1756	4639fd1424410d170bab5c844abf1ee3.exe	46
PID 1756 wrote to memory of 2564	1756	4639fd1424410d170bab5c844abf1ee3.exe	46
PID 1756 wrote to memory of 2564	1756	4639fd1424410d170bab5c844abf1ee3.exe	46
PID 1756 wrote to memory of 2564	1756	4639fd1424410d170bab5c844abf1ee3.exe	46
PID 2916 wrote to memory of 2728	2916	net.exe	50
PID 2916 wrote to memory of 2728	2916	net.exe	50
PID 2916 wrote to memory of 2728	2916	net.exe	50
PID 2916 wrote to memory of 2728	2916	net.exe	50
PID 2564 wrote to memory of 1380	2564	net.exe	55
PID 2564 wrote to memory of 1380	2564	net.exe	55
PID 2564 wrote to memory of 1380	2564	net.exe	55
PID 2564 wrote to memory of 1380	2564	net.exe	55
PID 2608 wrote to memory of 1920	2608	net.exe	63
PID 2608 wrote to memory of 1920	2608	net.exe	63
PID 2608 wrote to memory of 1920	2608	net.exe	63
PID 2608 wrote to memory of 1920	2608	net.exe	63
PID 2436 wrote to memory of 2252	2436	cmd.exe	54
PID 2436 wrote to memory of 2252	2436	cmd.exe	54
PID 2436 wrote to memory of 2252	2436	cmd.exe	54
PID 2436 wrote to memory of 2252	2436	cmd.exe	54
PID 2212 wrote to memory of 2532	2212	net.exe	51
PID 2212 wrote to memory of 2532	2212	net.exe	51
PID 2212 wrote to memory of 2532	2212	net.exe	51
PID 2212 wrote to memory of 2532	2212	net.exe	51

Views/modifies file attributes 1 TTPs 16 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2732	attrib.exe
2864	attrib.exe
1708	attrib.exe
1616	attrib.exe
2712	attrib.exe
2520	attrib.exe
364	attrib.exe
2932	attrib.exe
2592	attrib.exe
952	attrib.exe
1532	attrib.exe
2088	attrib.exe
2368	attrib.exe
2292	attrib.exe
980	attrib.exe
2124	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3.exe
"C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2264
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:2444
- C:\Windows\SysWOW64\At.exe
  At.exe 12:29:44 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2368
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2732
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2992
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2728
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 12:31:46 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\at.exe
    at 12:31:46 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2252
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 12:28:46 PM C:\Windows\Sysinf.bat
  2⤵
  PID:2764
- - C:\Windows\SysWOW64\at.exe
    at 12:28:46 PM C:\Windows\Sysinf.bat
    3⤵
    PID:3004
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2532
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1920
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1380
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:3032
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:584
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:704
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:872
- 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:2832
- 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:564
- 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:1728
- 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:2028
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1412
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:2012
- - C:\Windows\SysWOW64\At.exe
    At.exe 12:29:48 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1336
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2172
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1636
- - 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:1740
- - 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:1528
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1392
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2468
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2288
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2076
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:2084
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1912
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2328
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 12:31:50 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 12:28:50 PM C:\Windows\Sysinf.bat
    3⤵
    PID:812
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1804
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2088
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:320
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2812
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2700
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2384
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\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:2568
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2864
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\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:1072
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2624
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3004
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2368
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2596
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2148
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1708
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2184
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1232
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2336
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3036
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2052
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1040
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2512
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1532
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1536
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:588
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:320
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2188
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1592
- C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3~4.exe
  4639fd1424410d170bab5c844abf1ee3~4.exe
  2⤵
  - Executes dropped EXE
  PID:2928

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:2464

C:\Windows\SysWOW64\at.exe
at 12:31:50 PM C:\Windows\Sysinf.bat
1⤵
PID:3048

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:364

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:792

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1808

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:2392

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

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2232

C:\Windows\SysWOW64\at.exe
at 12:28:50 PM C:\Windows\Sysinf.bat
1⤵
PID:1716

C:\Windows\system32\taskeng.exe
taskeng.exe {7579D249-DF61-47F7-960C-6CA176E021BB} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1624

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2712

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:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3~4.exe

Filesize
367KB

MD5
84ddf54db542b2eb9ef08144fb6e3645

SHA1
43c3eeadfd2c3aadd32f9a7c750e4b1465d3bc9a

SHA256
234a5cf87ce2130fa74ddacc7aafe02670b988f8e54c851a4ea421873056a4bb

SHA512
e67d6335a7dd05c76ebb1884aa5c6c1135a5d978f7277d800dab7d7e3efdfd5fe33b2fc909ec9fe6dcbd97a429f3d1cd20851a58a26584f8df28400f13bbe957

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
3.7MB

MD5
598b71511d41302c16cbf12141038be0

SHA1
c91fd380bc5942273711019697587f298bb41590

SHA256
81a2a841b5b0ccd6557fbbf087dd02c64bf7640dfb995242863ee1557cbb2c0a

SHA512
3fa3a2c84775e198c497cd60ae59531b069aa8c30e05e2a51fe6b1156c664c0cd2f97440d218b350c40607d3c8e5c4c4f3cff5a913b276d90dbf6f0a5d541b05

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

Filesize
1.4MB

MD5
b38fb3d5c5af1eb8b5789491fb46a9e2

SHA1
b38729270e4945652396342bdad1ffb4e8690273

SHA256
787f6e9f666b13f867eb68593862d77b90c9820a1c8fbf93344d8c49549de4be

SHA512
575c2e19b37941907b4bbe4376f9eabad77818a59f25587c6f42479ac804560b24d2cef5dda63e30e88222b1b761a27b84d256cfd47399c7402a9d95a6b73eab

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

Filesize
209KB

MD5
b78e2258e5f52838a6e6c016ef2dd6e0

SHA1
2381c9ccedbcaa44fbfcf733b857a173f475cca0

SHA256
20f80a275547029f075b4a7729904abb4308c11d8df42df9ab7286f269bd044c

SHA512
3ccc878e6b2d875982ab38ff5b5648508a9724da756634eee248ffc95efa4df8317e774451bc9706f66ab107207a4083a57335ad652229714230f81224d5f424

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
\Windows\system\KavUpda.exe

Filesize
2.2MB

MD5
02ccd6656ac4df98abbe163329b445ce

SHA1
92f490226080205c0968eb49606682c160434fd6

SHA256
302f993594974d2d80ba095dd94e61a892050aad4df197ed03e858d222f19b01

SHA512
37ece45e1bb595cdba208d744b73b5bd563c1086b67724363650eb95432ecf534422af3ef5c84feffb573899e12e700349207dff7cfaa9ba5bc2aa5deb6488e5

Download Submit
\Windows\system\KavUpda.exe

Filesize
1.1MB

MD5
a3cd7943f91b343a4b980bc6c7bf06b5

SHA1
17d72746de69cbfbc78f983410fa5a9000375f32

SHA256
728864ed81bdf4936a41784654d2f9322e07802ff2b5422c5668027876ccbf41

SHA512
3b06ddeecee281c9f4490a6fe0d6457dc105fcc0350c70cf0121b24e98669f3c45debf876380df5ff5d3307e18032cc5c7a7f15034f42c555727bccfa02bdf4b

Download Submit
memory/1756-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads