wannacry | 96648359b624d4a43688065e64f0116a7eaaae1371573382d4a91710129ad8c0

General

Target

2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Size

3.6MB
MD5

07b0be638be7a9602ee803e971f4a6bf
SHA1

8ee9cde622fce2dbe117a366214a05c6cc8d6571
SHA256

96648359b624d4a43688065e64f0116a7eaaae1371573382d4a91710129ad8c0
SHA512

b7f76585a868cb69769d524f8b6a7ffdcf54f24dbdb665b51918d30be55dfda4e4f8323340cbfde7a045219dd9b80b131477f3a1e2594b738d022efd8571dda4
SSDEEP

98304:XDqPoBhz1aRncSUDk36SAEdhvxWa9P593R8:XDqPe1Cncxk3ZAEUadzR8

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
2828	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	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_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	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}\WpadDecisionReason = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}\WpadNetworkName = "Network 3"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}\WpadDecisionTime = c0a5369e8da0db01	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}\WpadDecision = "0"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-7e-55-7d-b6-62\WpadDecisionReason = "1"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-7e-55-7d-b6-62\WpadDecisionTime = c0a5369e8da0db01	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-7e-55-7d-b6-62	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB44DCA1-8378-4728-88F9-1C5E44C3A528}\6a-7e-55-7d-b6-62	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6a-7e-55-7d-b6-62\WpadDecision = "0"	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0132000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2188
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2828

C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-29_07b0be638be7a9602ee803e971f4a6bf_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2672

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a3acadf3d2cbbcb1f70d84e4afadd6b1

SHA1
deeb90020fa91d7a649569a864165520c6268a61

SHA256
cf0ea5631c3ae89cf072f28080605a57cb4cc0f64ac608738d7957e7d9d2f522

SHA512
b3a3a9b22398099e14226a2d72869a3d951ae6ff1c5204b834480e19873f3c60628328f0d838f8c4092dd3cf24c1f56277553ad21e418a7f72cafa8f5a748df1

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