wannacry | 560d75be118da75d8cf67f123050a52977ab10dd408ea772d1e3211cd67eb78e

General

Target

2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Size

5.0MB
MD5

066d1fc722f2e8bb9b0b939484342bd0
SHA1

c66b583a61b35516f76c395ef642fd5bacf80457
SHA256

560d75be118da75d8cf67f123050a52977ab10dd408ea772d1e3211cd67eb78e
SHA512

88b7a19d659e36df5a70ed24722f35c393e7c44913d28ce95eb226c66e28ac43429b11097b0492f9e5a96724ab55bd2f1933c95f05af365bd563093b77ff740e
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3331) 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
2896	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	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\32-b7-71-7e-cd-c1	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecisionTime = 50d1f23c1652db01	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecisionReason = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecisionTime = 50d1f23c1652db01	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadNetworkName = "Network 3"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecisionReason = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}\WpadDecision = "0"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0122000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{34F83CF2-EFFF-4BA8-9D3B-B556775640D2}	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-b7-71-7e-cd-c1\WpadDecision = "0"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2264
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2896

C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2780

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
845326dac7b314b1d0d92efbbfa561a7

SHA1
3633a78c43c6a9bb2f7d156a18c8a5e4d02c663f

SHA256
19f8aa01141ea99c57ae3914825af87506f876e5a185de14c86f3c4affdfb1bd

SHA512
42ab47dfd5fda768b7a8321143865cd3a4df96e13aec077de817cc80e39791efd1db9cfa5e541aa5460f6ce79d60cb0e3aebdd8895c9858d2bb5f333e8bbab6f

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