0435630de825dd430f2daed1d5b0fb6eed10465d15c39ebb2c73e9123686f74d

Analysis

max time kernel
210s
max time network
221s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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-1-5-21-635608581-3370340891-292606865-1000\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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe	regedit.exe
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\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\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
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\Rav.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\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.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\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.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\KAVStart.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

Executes dropped EXE 2 IoCs

pid	Process
4560	KavUpda.exe
336	4639fd1424410d170bab5c844abf1ee3~4.exe

Drops autorun.inf file 1 TTPs 2 IoCs

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

Replication Through Removable Media

T1091

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File 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\regedt32.sys	4639fd1424410d170bab5c844abf1ee3.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	4639fd1424410d170bab5c844abf1ee3.exe
File created	C:\Windows\Help\HelpCat.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

Launches sc.exe 8 IoCs

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

pid	Process
4408	sc.exe
1248	sc.exe
2360	sc.exe
5108	sc.exe
4780	sc.exe
2052	sc.exe
4904	sc.exe
892	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
2940	regedit.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe
Token: 33	4560	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4560	KavUpda.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4300	4639fd1424410d170bab5c844abf1ee3.exe
4560	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 952	4300	4639fd1424410d170bab5c844abf1ee3.exe	90
PID 4300 wrote to memory of 952	4300	4639fd1424410d170bab5c844abf1ee3.exe	90
PID 4300 wrote to memory of 952	4300	4639fd1424410d170bab5c844abf1ee3.exe	90
PID 4300 wrote to memory of 3252	4300	4639fd1424410d170bab5c844abf1ee3.exe	93
PID 4300 wrote to memory of 3252	4300	4639fd1424410d170bab5c844abf1ee3.exe	93
PID 4300 wrote to memory of 3252	4300	4639fd1424410d170bab5c844abf1ee3.exe	93
PID 3252 wrote to memory of 3656	3252	net.exe	95
PID 3252 wrote to memory of 3656	3252	net.exe	95
PID 3252 wrote to memory of 3656	3252	net.exe	95
PID 4300 wrote to memory of 3128	4300	4639fd1424410d170bab5c844abf1ee3.exe	96
PID 4300 wrote to memory of 3128	4300	4639fd1424410d170bab5c844abf1ee3.exe	96
PID 4300 wrote to memory of 3128	4300	4639fd1424410d170bab5c844abf1ee3.exe	96
PID 4300 wrote to memory of 3160	4300	4639fd1424410d170bab5c844abf1ee3.exe	98
PID 4300 wrote to memory of 3160	4300	4639fd1424410d170bab5c844abf1ee3.exe	98
PID 4300 wrote to memory of 3160	4300	4639fd1424410d170bab5c844abf1ee3.exe	98
PID 4300 wrote to memory of 2804	4300	4639fd1424410d170bab5c844abf1ee3.exe	99
PID 4300 wrote to memory of 2804	4300	4639fd1424410d170bab5c844abf1ee3.exe	99
PID 4300 wrote to memory of 2804	4300	4639fd1424410d170bab5c844abf1ee3.exe	99
PID 4300 wrote to memory of 1200	4300	4639fd1424410d170bab5c844abf1ee3.exe	100
PID 4300 wrote to memory of 1200	4300	4639fd1424410d170bab5c844abf1ee3.exe	100
PID 4300 wrote to memory of 1200	4300	4639fd1424410d170bab5c844abf1ee3.exe	100
PID 4300 wrote to memory of 4700	4300	4639fd1424410d170bab5c844abf1ee3.exe	101
PID 4300 wrote to memory of 4700	4300	4639fd1424410d170bab5c844abf1ee3.exe	101
PID 4300 wrote to memory of 4700	4300	4639fd1424410d170bab5c844abf1ee3.exe	101
PID 4300 wrote to memory of 4716	4300	4639fd1424410d170bab5c844abf1ee3.exe	102
PID 4300 wrote to memory of 4716	4300	4639fd1424410d170bab5c844abf1ee3.exe	102
PID 4300 wrote to memory of 4716	4300	4639fd1424410d170bab5c844abf1ee3.exe	102
PID 4300 wrote to memory of 4944	4300	4639fd1424410d170bab5c844abf1ee3.exe	103
PID 4300 wrote to memory of 4944	4300	4639fd1424410d170bab5c844abf1ee3.exe	103
PID 4300 wrote to memory of 4944	4300	4639fd1424410d170bab5c844abf1ee3.exe	103
PID 4300 wrote to memory of 2668	4300	4639fd1424410d170bab5c844abf1ee3.exe	104
PID 4300 wrote to memory of 2668	4300	4639fd1424410d170bab5c844abf1ee3.exe	104
PID 4300 wrote to memory of 2668	4300	4639fd1424410d170bab5c844abf1ee3.exe	104
PID 4300 wrote to memory of 4780	4300	4639fd1424410d170bab5c844abf1ee3.exe	105
PID 4300 wrote to memory of 4780	4300	4639fd1424410d170bab5c844abf1ee3.exe	105
PID 4300 wrote to memory of 4780	4300	4639fd1424410d170bab5c844abf1ee3.exe	105
PID 4300 wrote to memory of 2052	4300	4639fd1424410d170bab5c844abf1ee3.exe	106
PID 4300 wrote to memory of 2052	4300	4639fd1424410d170bab5c844abf1ee3.exe	106
PID 4300 wrote to memory of 2052	4300	4639fd1424410d170bab5c844abf1ee3.exe	106
PID 4300 wrote to memory of 892	4300	4639fd1424410d170bab5c844abf1ee3.exe	117
PID 4300 wrote to memory of 892	4300	4639fd1424410d170bab5c844abf1ee3.exe	117
PID 4300 wrote to memory of 892	4300	4639fd1424410d170bab5c844abf1ee3.exe	117
PID 4300 wrote to memory of 4904	4300	4639fd1424410d170bab5c844abf1ee3.exe	115
PID 4300 wrote to memory of 4904	4300	4639fd1424410d170bab5c844abf1ee3.exe	115
PID 4300 wrote to memory of 4904	4300	4639fd1424410d170bab5c844abf1ee3.exe	115
PID 2668 wrote to memory of 524	2668	net.exe	129
PID 2668 wrote to memory of 524	2668	net.exe	129
PID 2668 wrote to memory of 524	2668	net.exe	129
PID 4700 wrote to memory of 2044	4700	net.exe	128
PID 4700 wrote to memory of 2044	4700	net.exe	128
PID 4700 wrote to memory of 2044	4700	net.exe	128
PID 4944 wrote to memory of 1936	4944	net.exe	125
PID 4944 wrote to memory of 1936	4944	net.exe	125
PID 4944 wrote to memory of 1936	4944	net.exe	125
PID 4716 wrote to memory of 4888	4716	net.exe	124
PID 4716 wrote to memory of 4888	4716	net.exe	124
PID 4716 wrote to memory of 4888	4716	net.exe	124
PID 1200 wrote to memory of 4428	1200	net.exe	122
PID 1200 wrote to memory of 4428	1200	net.exe	122
PID 1200 wrote to memory of 4428	1200	net.exe	122
PID 4300 wrote to memory of 2940	4300	4639fd1424410d170bab5c844abf1ee3.exe	123
PID 4300 wrote to memory of 2940	4300	4639fd1424410d170bab5c844abf1ee3.exe	123
PID 4300 wrote to memory of 2940	4300	4639fd1424410d170bab5c844abf1ee3.exe	123
PID 4300 wrote to memory of 4512	4300	4639fd1424410d170bab5c844abf1ee3.exe	127

Views/modifies file attributes 1 TTPs 6 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4536	attrib.exe
940	attrib.exe
1176	attrib.exe
4928	attrib.exe
3168	attrib.exe
4188	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3.exe
"C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:952
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:3656
- C:\Windows\SysWOW64\At.exe
  At.exe 12:30:49 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:3128
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 12:29:59 PM C:\Windows\Sysinf.bat
  2⤵
  PID:3160
- - C:\Windows\SysWOW64\at.exe
    at 12:29:59 PM C:\Windows\Sysinf.bat
    3⤵
    PID:3780
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 12:32:59 PM C:\Windows\Sysinf.bat
  2⤵
  PID:2804
- - C:\Windows\SysWOW64\at.exe
    at 12:32:59 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2248
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:4428
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4700
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2044
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:4888
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4944
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1936
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:524
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4780
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:2052
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4904
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:892
- 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:2940
- 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:872
- 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:4512
- 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:4560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:4776
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:744
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:1728
- - C:\Windows\SysWOW64\At.exe
    At.exe 12:31:37 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1936
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2368
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:3900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 12:33:51 PM C:\Windows\Sysinf.bat
    3⤵
    PID:3340
  - - C:\Windows\SysWOW64\at.exe
      at 12:33:51 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4420
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 12:30:51 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2092
  - - C:\Windows\SysWOW64\at.exe
      at 12:30:51 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4984
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:4692
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:3100
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4408
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1248
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2360
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:5108
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:3532
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1500
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:2044
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:3820
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:4108
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2876
- - 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:1124
- - 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:2196
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2988
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4316
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1056
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3752
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2456
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4188
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:224
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1128
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2668
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:940
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:5056
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:456
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4828
- C:\Users\Admin\AppData\Local\Temp\4639fd1424410d170bab5c844abf1ee3~4.exe
  4639fd1424410d170bab5c844abf1ee3~4.exe
  2⤵
  - Executes dropped EXE
  PID:336

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

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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\Help\HelpCat.exe

Filesize
3.7MB

MD5
598b71511d41302c16cbf12141038be0

SHA1
c91fd380bc5942273711019697587f298bb41590

SHA256
81a2a841b5b0ccd6557fbbf087dd02c64bf7640dfb995242863ee1557cbb2c0a

SHA512
3fa3a2c84775e198c497cd60ae59531b069aa8c30e05e2a51fe6b1156c664c0cd2f97440d218b350c40607d3c8e5c4c4f3cff5a913b276d90dbf6f0a5d541b05

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\System\KavUpda.exe

Filesize
1.2MB

MD5
14831386482386750d081cad109bcfee

SHA1
dadb33ebf499ff0aa49b8f499261a1e137183a6d

SHA256
1dd62834e535f39be4794bc0db9f68c53550c38bef30e5c2e649c69cc6c0a596

SHA512
2ac3abe98b857e5f1053499a677b073f9edd72fbd9c1ed520b58414494d05be27c01ed737076b7441a69fd653070f1755cbda7a8b5cb7ebd5c9411421e456a22

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
63a2e0ed57eb2c1f2e564f0206e5d120

SHA1
99de9d2691a8de4091853aea4312baf71b51c206

SHA256
7572c83257f1d68685fe878c19a20f3a800685e7c6522eb6a934edcb05d3569d

SHA512
3ab8885e703c377c04a7cc5a870aae144b7186ff6de2fca15e943d88defbc03522e7c29fc7c45f278b545f4eacb8b701cca3478861a352ec1c822662d8bb6e8a

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/4300-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads