wannacry | 0e4b6fffac28f1ae76abf01a5b099562aef894282f08acf9a358edcc0b3aacee

General

Target

2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Size

5.0MB
MD5

6d661544f821f75bc62a2718c20489e8
SHA1

a773ed5cea2d3bae18d95382c4d5446b187d731d
SHA256

0e4b6fffac28f1ae76abf01a5b099562aef894282f08acf9a358edcc0b3aacee
SHA512

bf1aac03e0cdef9aeaaffe229149a6524b630fb9b67ae4c7469839d3c45c18ccab71edf9539673f6cbad21ee7538b1991425fd2005047714e0ec249352c61de3
SSDEEP

24576:QbLguripdmMSirYbcMNgef0QeQjGlhAdmv:QnvMSPbcBVQejlhnv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3156) 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

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8H7UK11Z.txt	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8H7UK11Z.txt	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5A6YHGA0.txt	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5A6YHGA0.txt	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_6d661544f821f75bc62a2718c20489e8_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	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-51-66-76-0b-0e\WpadDecisionReason = "1"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-51-66-76-0b-0e\WpadDecisionTime = b01d6bd0ca1cdb01	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}\WpadDecisionTime = b01d6bd0ca1cdb01	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}\WpadDecision = "0"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}\26-51-66-76-0b-0e	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00fa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}\WpadNetworkName = "Network 3"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-51-66-76-0b-0e	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-51-66-76-0b-0e\WpadDecision = "0"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3326A172-8694-4A10-8B22-30CCE1B66BAA}\WpadDecisionReason = "1"	2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2080

C:\Users\Admin\AppData\Local\Temp\2024-10-12_6d661544f821f75bc62a2718c20489e8_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_6d661544f821f75bc62a2718c20489e8_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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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