wannacry | 7223cfafb10b86d22c147d3669691be17aae253e5f5975fd0a82e1fdc2ab5856

General

Target

2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Size

5.0MB
MD5

f818de50174c5473e210f9a1f77c2a51
SHA1

e50bcffef4f01b3dda9252e58fe4ed64958f68f0
SHA256

7223cfafb10b86d22c147d3669691be17aae253e5f5975fd0a82e1fdc2ab5856
SHA512

b38560452bca88d4b58bffdd7067b5d2d374ffeb27b00e7ccb2311b2941dfc99718c1bafdcdc0879b1bb8805fe8f3583bfbf6b5cf9fea257cb2962e70b152aa8
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3126) 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

pid	Process
3032	tasksche.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 System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-0a-24-6e-4d-76	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}\WpadDecision = "0"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}\12-0a-24-6e-4d-76	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}\WpadDecisionTime = b059939ea4cfda01	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-0a-24-6e-4d-76\WpadDecision = "0"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-0a-24-6e-4d-76\WpadDecisionReason = "1"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-0a-24-6e-4d-76\WpadDecisionTime = b059939ea4cfda01	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}\WpadDecisionReason = "1"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{14346517-5B20-434F-BE19-787C40C815A3}\WpadNetworkName = "Network 3"	2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1596
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3032

C:\Users\Admin\AppData\Local\Temp\2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-06_f818de50174c5473e210f9a1f77c2a51_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
050501fafc2bb40530e6a6dd655bc8c8

SHA1
cc1e5ceba1663b26afcd44667a9701a77d581c14

SHA256
d2c98fbaef69627e9d661d3566f10d75895a427a74ccbd6f91d4540619535e87

SHA512
2fee84ccd8174d42373b08d01016e80a2fae94107a02f529f5020060f57983b21a922860d6f588297094c9b797f317460dccf9fb30761b960e18bf11f684975e

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