wannacry | c05e2dab77349cd639aa837e7e121710b8a0718d8fc93fb4cc6458ae90e5c597

General

Target

ae12bb54af31227017feffd9598a6f5e.dll
Size

5.0MB
MD5

ae12bb54af31227017feffd9598a6f5e
SHA1

f597a1cc16d42b7f02e077696e067cd3030a06d9
SHA256

c05e2dab77349cd639aa837e7e121710b8a0718d8fc93fb4cc6458ae90e5c597
SHA512

a80b1cc70cafff3b8edb2e732fa2360436cc7556ba91977ab1fa505ad7c6e184c465839d1584f827be17ccb751240432348debe69eed4e006321d9af4334621b

Score

10^/10

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

Processes:

mssecsvc.exemssecsvc.exetasksche.exe

pid process

2584 mssecsvc.exe
3736 mssecsvc.exe
1468 tasksche.exe

Drops file in System32 directory 7 IoCs

Processes:

mssecsvc.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	mssecsvc.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\IPMTEYR5.cookie	mssecsvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies\IPMTEYR5.cookie	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 8 IoCs

Processes:

mssecsvc.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	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\5.0\Cache\History\CachePrefix = "Visited:"	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\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

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3056 wrote to memory of 992	3056	rundll32.exe	rundll32.exe
PID 3056 wrote to memory of 992	3056	rundll32.exe	rundll32.exe
PID 3056 wrote to memory of 992	3056	rundll32.exe	rundll32.exe
PID 992 wrote to memory of 2584	992	rundll32.exe	mssecsvc.exe
PID 992 wrote to memory of 2584	992	rundll32.exe	mssecsvc.exe
PID 992 wrote to memory of 2584	992	rundll32.exe	mssecsvc.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ae12bb54af31227017feffd9598a6f5e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
4⤵
- Executes dropped EXE
PID:1468

C:\WINDOWS\mssecsvc.exe
MD5
0c694193ceac8bfb016491ffb534eb7c

SHA1
3afa73283d1e17de1bde6cc14e19417e70fc9554

SHA256
dbf3890b782ac04136c3336814eef97e3c0f4133f9592e882c131c179161b27b

SHA512
bfa729e9449c0a438cfb51fc9f4314022b2f18092938fd42702a06246edc865db77327399a8d21cc1fa208a99e3436e4a460cb010e428caddc638c3fa6547afb

Download Submit
C:\Windows\mssecsvc.exe
MD5
0c694193ceac8bfb016491ffb534eb7c

SHA1
3afa73283d1e17de1bde6cc14e19417e70fc9554

SHA256
dbf3890b782ac04136c3336814eef97e3c0f4133f9592e882c131c179161b27b

SHA512
bfa729e9449c0a438cfb51fc9f4314022b2f18092938fd42702a06246edc865db77327399a8d21cc1fa208a99e3436e4a460cb010e428caddc638c3fa6547afb

Download Submit
C:\Windows\mssecsvc.exe
MD5
0c694193ceac8bfb016491ffb534eb7c

SHA1
3afa73283d1e17de1bde6cc14e19417e70fc9554

SHA256
dbf3890b782ac04136c3336814eef97e3c0f4133f9592e882c131c179161b27b

SHA512
bfa729e9449c0a438cfb51fc9f4314022b2f18092938fd42702a06246edc865db77327399a8d21cc1fa208a99e3436e4a460cb010e428caddc638c3fa6547afb

Download Submit
C:\Windows\tasksche.exe
MD5
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/992-0-0x0000000000000000-mapping.dmp

Download
memory/2584-1-0x0000000000000000-mapping.dmp

Download