wannacry | 88489f32a5e8521eb18fc390aac403c729fccb579e5b23307ca487ec7c724ce1

General

Target

00bc02b91a3850390e977e4b75f1f84f.dll
Size

5.0MB
MD5

00bc02b91a3850390e977e4b75f1f84f
SHA1

73240c616134f1830a0ab8dd565284d92e238333
SHA256

88489f32a5e8521eb18fc390aac403c729fccb579e5b23307ca487ec7c724ce1
SHA512

7baaf5578589f6881334868c1c7a4739a7e2294cef4967f10db20d9280dff2379b0977c6bec9d7c57b50df0e064a71d9df7be39ce48605a5c32b868e927667a5

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 3 IoCs

Processes:

mssecsvc.exemssecsvc.exetasksche.exe

pid process

1952 mssecsvc.exe
1056 mssecsvc.exe
1744 tasksche.exe

pid	process
1952	mssecsvc.exe
1056	mssecsvc.exe
1744	tasksche.exe

Drops file in System32 directory 3 IoCs

Processes:

mssecsvc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	mssecsvc.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KTZWVBIC.txt	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KTZWVBIC.txt	mssecsvc.exe

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

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

Modifies data under HKEY_USERS 24 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mssecsvc.exe
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\UNCAsIntranet = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a070019000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}\32-e2-17-db-d2-77	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}\WpadDecisionTime = b0bf3fa955eed601	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6CD91550-F1B8-44A7-B169-07A502AE3F35}\WpadNetworkName = "Network"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionTime = b0bf3fa955eed601	mssecsvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1812 wrote to memory of 1300	1812	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1952	1300	rundll32.exe	mssecsvc.exe
PID 1300 wrote to memory of 1952	1300	rundll32.exe	mssecsvc.exe
PID 1300 wrote to memory of 1952	1300	rundll32.exe	mssecsvc.exe
PID 1300 wrote to memory of 1952	1300	rundll32.exe	mssecsvc.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00bc02b91a3850390e977e4b75f1f84f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\00bc02b91a3850390e977e4b75f1f84f.dll,#1
2⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1300

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe
3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1952

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
4⤵
- Executes dropped EXE
PID:1744

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1056

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

C:\WINDOWS\mssecsvc.exe
MD5
8d9a4207429d7e829dc91955a1694d7e

SHA1
07f3c64ff5c68b3eafa417dab76c989fc9fff171

SHA256
17e5e0d52f4de23d3195ec2d93d366fefc7e59b6b20f71df12e7218313163da2

SHA512
98c5d9fd1a665446e8a443ed8d60cb250924386ce2d24d7501ec3b2d292240122a8916af1860d5d689177f582890226286ed8f0ed4e8cec5db2d024d8a88d70b

Download Submit
C:\Windows\mssecsvc.exe
MD5
8d9a4207429d7e829dc91955a1694d7e

SHA1
07f3c64ff5c68b3eafa417dab76c989fc9fff171

SHA256
17e5e0d52f4de23d3195ec2d93d366fefc7e59b6b20f71df12e7218313163da2

SHA512
98c5d9fd1a665446e8a443ed8d60cb250924386ce2d24d7501ec3b2d292240122a8916af1860d5d689177f582890226286ed8f0ed4e8cec5db2d024d8a88d70b

Download Submit
C:\Windows\mssecsvc.exe
MD5
8d9a4207429d7e829dc91955a1694d7e

SHA1
07f3c64ff5c68b3eafa417dab76c989fc9fff171

SHA256
17e5e0d52f4de23d3195ec2d93d366fefc7e59b6b20f71df12e7218313163da2

SHA512
98c5d9fd1a665446e8a443ed8d60cb250924386ce2d24d7501ec3b2d292240122a8916af1860d5d689177f582890226286ed8f0ed4e8cec5db2d024d8a88d70b

Download Submit
C:\Windows\tasksche.exe
MD5
741b6e8f838fd37cdf0431551432b0e7

SHA1
1a480f81cb2308c28b3eaee24e04ef133ff2e41e

SHA256
3a4a89b71005c5233e592cc20d6fd06b21aeca3415554390e4365bb76eade469

SHA512
0e12d88c40ee38d717a8501bf67f63885afef54328105f4337d59c516f5a3f562e4fa4f7ec54e9afffa04a402918699c33b8d2ccc76b8e5c60c76de4d0fd9cac

Download Submit
memory/1300-2-0x0000000000000000-mapping.dmp

Download
memory/1300-3-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1320-7-0x000007FEF79D0000-0x000007FEF7C4A000-memory.dmp

Filesize
2.5MB

Download
memory/1952-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads