wannacry | c6396e871eb94adb579b54eb946d704a3bcc306f6fe2abf8b0a7d74a45a386c6

General

Target

2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Size

5.0MB
MD5

4c9550716e65ad5686e221b5609ba2f5
SHA1

70745ea82b9df63e8f6eb7194231a4801d6916ab
SHA256

c6396e871eb94adb579b54eb946d704a3bcc306f6fe2abf8b0a7d74a45a386c6
SHA512

80935ce4aa5b849b0be504bbf6ca71bfcc81a888970bef9731fe8c90f89c09008b0e6de05ecc9d850f69798266ce9f6f18d0867f9ac95daecb6e47a79ea9e3d2
SSDEEP

24576:QbLgurgDdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXQA8cz:QnsEMSPbcBVQej/1INRx+TSqTdXQux

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 (3129) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 5 IoCs

Processes:

2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

description	ioc	process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JENYHCII.txt	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JENYHCII.txt	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BCN1WF8A.txt	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BCN1WF8A.txt	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_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

Processes:

2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}\WpadDecision = "0"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-42-cc-97-ae-09\WpadDecisionReason = "1"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}\WpadDecisionReason = "1"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}\46-42-cc-97-ae-09	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-42-cc-97-ae-09\WpadDecisionTime = d0f5d2ccdb31db01	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-42-cc-97-ae-09\WpadDecision = "0"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0175000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}\WpadNetworkName = "Network 3"	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EE929AAA-6A8F-4078-AE3E-19C6F1F53D31}\WpadDecisionTime = d0f5d2ccdb31db01	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-42-cc-97-ae-09	2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-08_4c9550716e65ad5686e221b5609ba2f5_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2144

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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