wannacry | a427536061ad31d46342736bd5ef018eca16fb447b4d9de34fa5a6cd995a00aa

General

Target

a427536061ad31d46342736bd5ef018eca16fb447b4d9de34fa5a6cd995a00aa.dll
Size

5.0MB
MD5

99f69f4098b7efa0702b2eafc3b321ff
SHA1

5718379ca78ae4641a87f2dd1264dcf87b8dfef6
SHA256

a427536061ad31d46342736bd5ef018eca16fb447b4d9de34fa5a6cd995a00aa
SHA512

add16fa3d3733e7a5ea698eb0fb4b341b5fcda39991f13b74c98791f2c71c000037af8b579ed87534964b2371686e0a5c31c566ac8c2f22bf7c762fa73f57d30
SSDEEP

98304:7DqPoBhz1aRxcSUDk36SAEdhvxWa9P59Uc/J:7DqPe1Cxcxk3ZAEUadv

Score

10^/10

wannacry discovery evasion ransomware worm

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

mssecsvc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	mssecsvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	mssecsvc.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\WINDOWS\mssecsvc.exe = "C:\\WINDOWS\\mssecsvc.exe:*:enabled:@shell32.dll,-1"	mssecsvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	mssecsvc.exe

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3280) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

3916 mssecsvc.exe
2576 mssecsvc.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Drops file in Windows directory 2 IoCs

Processes:

rundll32.exemssecsvc.exe

description ioc process

File created C:\WINDOWS\mssecsvc.exe rundll32.exe
File created C:\WINDOWS\tasksche.exe mssecsvc.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1008 3916 WerFault.exe mssecsvc.exe

description	ioc	process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe

pid	pid_target	process	target process
1008	3916	WerFault.exe	mssecsvc.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exemssecsvc.exemssecsvc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	mssecsvc.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

4228 NOTEPAD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

mssecsvc.exemssecsvc.exe

pid process

3916 mssecsvc.exe
3916 mssecsvc.exe
2576 mssecsvc.exe
2576 mssecsvc.exe

pid	process
4228	NOTEPAD.EXE

Suspicious behavior: MapViewOfSection 64 IoCs

Processes:

mssecsvc.exe

pid	process
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe
3916	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mssecsvc.exemssecsvc.exe

description pid process

Token: SeDebugPrivilege 3916 mssecsvc.exe
Token: SeDebugPrivilege 2576 mssecsvc.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

NOTEPAD.EXE

pid process

4228 NOTEPAD.EXE

description	pid	process
Token: SeDebugPrivilege	3916	mssecsvc.exe
Token: SeDebugPrivilege	2576	mssecsvc.exe

pid	process
4228	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exemssecsvc.exe

description	pid	process	target process
PID 4716 wrote to memory of 4724	4716	rundll32.exe	rundll32.exe
PID 4716 wrote to memory of 4724	4716	rundll32.exe	rundll32.exe
PID 4716 wrote to memory of 4724	4716	rundll32.exe	rundll32.exe
PID 4724 wrote to memory of 3916	4724	rundll32.exe	mssecsvc.exe
PID 4724 wrote to memory of 3916	4724	rundll32.exe	mssecsvc.exe
PID 4724 wrote to memory of 3916	4724	rundll32.exe	mssecsvc.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 612	3916	mssecsvc.exe	winlogon.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 668	3916	mssecsvc.exe	lsass.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 772	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 780	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 788	3916	mssecsvc.exe	fontdrvhost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 896	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 944	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 1012	3916	mssecsvc.exe	dwm.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 512	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 608	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 608	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 608	3916	mssecsvc.exe	svchost.exe
PID 3916 wrote to memory of 608	3916	mssecsvc.exe	svchost.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612
- C:\Windows\system32\fontdrvhost.exe
  "fontdrvhost.exe"
  2⤵
  PID:788
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:1012

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:668

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
PID:772
- C:\Windows\system32\wbem\unsecapp.exe
  C:\Windows\system32\wbem\unsecapp.exe -Embedding
  2⤵
  PID:1420
- C:\Windows\system32\DllHost.exe
  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
  2⤵
  PID:3796
- C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
  2⤵
  PID:3896
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:3972
- C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
  "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
  2⤵
  PID:4056
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:3496
- C:\Windows\system32\SppExtComObj.exe
  C:\Windows\system32\SppExtComObj.exe -Embedding
  2⤵
  PID:2624
- C:\Windows\system32\DllHost.exe
  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
  2⤵
  PID:1436
- C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
  2⤵
  PID:5000
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:1172
- C:\Windows\system32\backgroundTaskHost.exe
  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
  2⤵
  PID:1608
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:4440
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:2460

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:780

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
1⤵
PID:896

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:944

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:512

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:608

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
1⤵
PID:1028

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1064

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1076

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1180
- C:\Windows\system32\taskhostw.exe
  taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
  2⤵
  PID:2888
- C:\Windows\system32\MusNotification.exe
  C:\Windows\system32\MusNotification.exe
  2⤵
  PID:2860

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1232

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1264

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1324

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1464
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:2700

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1504

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1516

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1668

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1708

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1768

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1852

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1984

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1096

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1388

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2124

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2132

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
1⤵
PID:2156

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2220

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2544

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
PID:2676

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2736

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2748

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2820

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:3092

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3476
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a427536061ad31d46342736bd5ef018eca16fb447b4d9de34fa5a6cd995a00aa.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a427536061ad31d46342736bd5ef018eca16fb447b4d9de34fa5a6cd995a00aa.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - C:\WINDOWS\mssecsvc.exe
      C:\WINDOWS\mssecsvc.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3916
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 1424
        5⤵
        Program crash
        
        PID:1008
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\UnprotectDisconnect.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  - Suspicious use of FindShellTrayWindow
  PID:4228

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:5052

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:4736

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:1972

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
PID:4544

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:3504

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:3688

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:3568

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3916 -ip 3916
1⤵
PID:3996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
e0ea0c0cfb8668cffdee66aa6b2f555d

SHA1
058de7429b5704ae6fc54ec3ad1758f740b4f0a1

SHA256
617e7e429b429d93bb7a4f8e695d62ff7267d4e5fb19bf30d95f446bfc0302ad

SHA512
9481838e5235e069b0f47141b368b6502c2549c0010ae25f861d886d5591b216bbdec77e97ca388a40d9719efc8f15697b9f83eda324b90604e082b8459cdd4e

Download Submit
memory/2576-23-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2576-11-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3916-9-0x000000007FE40000-0x000000007FE4C000-memory.dmp

Filesize
48KB

Download
memory/3916-5-0x000000007FE40000-0x000000007FE4C000-memory.dmp

Filesize
48KB

Download
memory/3916-8-0x000000007FE40000-0x000000007FE4C000-memory.dmp

Filesize
48KB

Download
memory/3916-7-0x0000000077763000-0x0000000077764000-memory.dmp

Filesize
4KB

Download
memory/3916-6-0x0000000077762000-0x0000000077763000-memory.dmp

Filesize
4KB

Download
memory/3916-12-0x000000007FE30000-0x000000007FE3C000-memory.dmp

Filesize
48KB

Download
memory/3916-14-0x000000007FE30000-0x000000007FE3C000-memory.dmp

Filesize
48KB

Download
memory/3916-13-0x000000007FE30000-0x000000007FE3C000-memory.dmp

Filesize
48KB

Download
memory/3916-16-0x000000007FE30000-0x000000007FE3C000-memory.dmp

Filesize
48KB

Download
memory/3916-19-0x000000007FE40000-0x000000007FE4C000-memory.dmp

Filesize
48KB

Download
memory/3916-22-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/3916-4-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads