wannacry | c478bfc955cb24c2be11c1bead605a67007b1ed8098b457ab96ed594b1406eb0

General

Target

2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Size

3.6MB
MD5

dcea2274b80b5099957c6c54c199a578
SHA1

06b41de1cba81dad00346f1cef67655c8d379d16
SHA256

c478bfc955cb24c2be11c1bead605a67007b1ed8098b457ab96ed594b1406eb0
SHA512

fd6788b6f995c42b1b0027b57e220735ec01f4308127be4f61f5eb7f72f1fc80f5fe0473cc1beab53c0d8325d149a4c9b8aad97fa4f7b8c398c4e986ce72686c
SSDEEP

24576:XbLgddQhfdmMSirYbc2vY/7Fh25/AcVA:XnAQqMSPbc2vY2ZAOA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3179) 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
2548	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	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_dcea2274b80b5099957c6c54c199a578_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	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}\WpadNetworkName = "Network 3"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-78-eb-56-a2-a1\WpadDecisionReason = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}\WpadDecision = "0"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}\ea-78-eb-56-a2-a1	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-78-eb-56-a2-a1\WpadDecisionTime = e09084f8731bdb01	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0067000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}\WpadDecisionReason = "1"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-78-eb-56-a2-a1\WpadDecision = "0"	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{46F44855-C3FD-4DE6-BB5F-BCF9AE563615}\WpadDecisionTime = e09084f8731bdb01	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ea-78-eb-56-a2-a1	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1620
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2548

C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_dcea2274b80b5099957c6c54c199a578_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3060

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
6a91854887dad2e9e413e899e82d2e96

SHA1
08ea25eb0b33dd3020711d1857d4bef46dfd22e4

SHA256
e7f84afd6923cfd2b6a84d9cab9227025b43d9428f79085f0d4bd9cccdc0191a

SHA512
da40e893fde8639b69205f4d3e1f352b866622fef14b20346a187ea85eb7de0d623fb8837414f4be56109189b7c2cd216384ec52678cb1e4316d14719d5012a4

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