wannacry | c7d03a10524910267ea96dc6acf1a2051a4a5f879e397f96ace23fe4eae6f0ce

General

Target

ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Size

3.6MB
MD5

ae494670de6ff2c70a41c801215690a6
SHA1

d84a537a91193c60be1304087565ff42cc0e6685
SHA256

c7d03a10524910267ea96dc6acf1a2051a4a5f879e397f96ace23fe4eae6f0ce
SHA512

340a6c690dcc082e1c1cbf677fcd1c9614c089d135e14a6fa7816b61f1e57df33578e7cfa0e411c6ebaf48c7a769dbe7041800d6eb8503ae167bdf451f084e94
SSDEEP

98304:yDqPoBhz1aRxcSUDkEQv9Snm1tnr7DRbxnsR8jpukItGXcfZIeWJw:yDqPe1CxcxkEQv9Snm1tnr7DRbxn2L

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2670) 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 1 IoCs

Processes:

tasksche.exe

pid process

2524 tasksche.exe

pid	process
2524	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-5a-ef-ec-97-44\WpadDecisionReason = "1"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-5a-ef-ec-97-44\WpadDecision = "0"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-5a-ef-ec-97-44	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-5a-ef-ec-97-44\WpadDecisionTime = 70cff52d1abfda01	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}\WpadDecisionReason = "1"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}\WpadDecisionTime = 70cff52d1abfda01	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}\WpadDecision = "0"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}\WpadNetworkName = "Network 3"	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2B751294-F736-4FC7-8A15-590DC1B63F88}\c6-5a-ef-ec-97-44	ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1920

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2524

C:\Users\Admin\AppData\Local\Temp\ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ae494670de6ff2c70a41c801215690a6_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2628

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
abcd6ba85230ca985c272e358e7f0ac1

SHA1
4a6d3b6f6bd82f2b7dd39aede29aec8f6418543f

SHA256
83c92689a461b7173894e87d8824a3d69eaa8b76f773e8af0f16530f83b50908

SHA512
0fa9178df475120e467f6c3af000da0a4944f87beb7ca00988ab963aba94becd287f2b8aaba4f681d7b762e347a4f72bc0a39e86e04d94428d0df46b66ecf063

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Analysis

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