wannacry | 33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b

General

Target

33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Size

3.6MB
MD5

8639b21fb8b83419e5460625cee6271a
SHA1

548597db2efe5fb77a3ac4c222d010bd9320cc81
SHA256

33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b
SHA512

74d1526037df10affe050ce735804467beb35f872803b3021a0c0ee8b9dd7f199f38c46af999edba865fa9398f711a9d5a3b8b64f3f5a80efe0a6b435e565ad1

Score

10^/10

wannacry ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

2376 tasksche.exe

pid	process
2376	tasksche.exe

Drops file in System32 directory 5 IoCs

Processes:

33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

Drops file in Windows directory 1 IoCs

Processes:

33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

Modifies data under HKEY_USERS 8 IoCs

Processes:

33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe

C:\Users\Admin\AppData\Local\Temp\33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
"C:\Users\Admin\AppData\Local\Temp\33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe"
1⤵
- Drops file in Windows directory
PID:3912

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2376

C:\Users\Admin\AppData\Local\Temp\33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe
C:\Users\Admin\AppData\Local\Temp\33778f40e892f98e13bb16addb512a4f9bfd3e126db9c7281df339e31520fb1b.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
MD5
f6cadf5422b0c8a673eedd65dc20cb1f

SHA1
c6bd5a67fd6e5d5eccd0081216af79a03215e2aa

SHA256
f2ab83b7b88cd27236e51414ff75f805eb47c202032bf51d4258628dca203e1c

SHA512
d6a6e444011e5ea5f82a3fb63bb5c9997a406d658fcde9a6d304b813fff7d6370ee31905eb1a617ba81b28f397d776da159d06913e13c9a94003526095eb7697

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Analysis

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