wannacry | fa0a7f0a9d11834acf3dad73e978b11f5e42e7ef423acbb17120a6fce7c8f447

General

Target

2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Size

3.6MB
MD5

4b0c682bd7a2def8ec8d49d240931979
SHA1

fd24ba01d6bbbeafd78b8408fa0896cfb98b0c92
SHA256

fa0a7f0a9d11834acf3dad73e978b11f5e42e7ef423acbb17120a6fce7c8f447
SHA512

1c7e8afee63cbb30a66ecb80c7e64e8edf2b6c75a1eb4c8d4dd280e6aa745528297e6858f9647b6252f31a4a62f356e8d74691c71b7e92c2c2cc5be577b5d824
SSDEEP

49152:2nscSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvSlAHI:ysfoBhz1aRxcSUDk36SAEdhvS2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2695) 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
2652	tasksche.exe

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	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_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	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}\WpadDecisionReason = "1"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-3b-20-cc-81-66\WpadDecision = "0"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0160000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-3b-20-cc-81-66	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-3b-20-cc-81-66\WpadDecisionReason = "1"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}\WpadNetworkName = "Network 3"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}\96-3b-20-cc-81-66	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}\WpadDecisionTime = f0efaba89913db01	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C2977FCC-CD39-4F65-BC64-FD7272B86C6B}\WpadDecision = "0"	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-3b-20-cc-81-66\WpadDecisionTime = f0efaba89913db01	2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2216
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2652

C:\Users\Admin\AppData\Local\Temp\2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-01_4b0c682bd7a2def8ec8d49d240931979_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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
2.0MB

MD5
51d82a9e8de793bbac61aa001ad7d8f9

SHA1
11b684a3695ca7f7f31bd6c35243e03cee6de5a2

SHA256
fbe779d70fc505dd260dbff698e62eeb32e9ffed20f50b2505cb6963bf3a09f1

SHA512
a6fabdfb0e9c768e3f2b5dae420b01fbe62dc2fee7b42a5f22b735d1bdcfb1e6d3bac68c55f484bf52eed4c48c557a427541263d22bcb2ec44723c274e837a77

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