wannacry | 487c3b7f2ed1019a4a883f515ceecf77d6657e6e938a0e0f15fd8f697f902312

General

Target

2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Size

3.6MB
MD5

070c18b4cd1b622857fc5d08fc357697
SHA1

7aa2f6500634a1e83084ac0ad64b47bfcc3c4705
SHA256

487c3b7f2ed1019a4a883f515ceecf77d6657e6e938a0e0f15fd8f697f902312
SHA512

bb4c553e92f60683a97290532124df8dddc0bbebf59c776d5efee215dd9ef02546c761b8b002baa4ac0e096145e4ce3f2fbc8fd97aeca224ce9aa1fa86b4a935
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0oD8kIqRYoAd/Admv:2nAQqMSPbcBVo1I/nv

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 (3309) 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
2692	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	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-11_070c18b4cd1b622857fc5d08fc357697_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	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecisionTime = 705a1419704cdb01	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecisionReason = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadNetworkName = "Network 3"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecisionReason = "1"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecisionTime = 705a1419704cdb01	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\12-5b-e8-4d-80-ae\WpadDecision = "0"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\WpadDecision = "0"	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB110CF7-B9D3-4E57-AA3B-4797A715DE4F}\12-5b-e8-4d-80-ae	2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2888
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2692

C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-11_070c18b4cd1b622857fc5d08fc357697_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2800

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
eec6463e089c782c50d5969d2b4465d8

SHA1
4dbf75c827054dee33ee6ca25ec1630c3bab0c9b

SHA256
d8d29499b961983ced8e5cc81120ca51daabaa02eb5d3e4714b74631a7e146da

SHA512
39ee2137f452393713ab96275b037480efa16ac7f2cbecaaa1958b4dd22ac51180edd866be78a79aeac35efb558ee800c67c633f719ca35f41629fd10292dfcf

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