wannacry | a1cad552712cd85c7f0388173df25befb0dc56e4535442fe3d1ea607c02c29e5

General

Target

2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Size

2.2MB
MD5

00d251d4a994f6737d40e1bb75881909
SHA1

f8f7c6179d50470db38b0e6d1ff9058cb6985c31
SHA256

a1cad552712cd85c7f0388173df25befb0dc56e4535442fe3d1ea607c02c29e5
SHA512

b9dbd119020817a91fecdb1c342400c3304010157e9f586d31340727ac971442ff6f097dcbab29b8314c258716af61ade7c22bd0ec4ce10961a42f35ca04426f
SSDEEP

49152:QnUMSRacBVQej/1INRx+TSqTdX1HkQo6SAARdhnvn:QURfBhz1aRxcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3227) 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\Roaming\Microsoft\Windows\Cookies\11Z4GJWL.txt	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\HDT3HT1X.txt	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\HDT3HT1X.txt	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\11Z4GJWL.txt	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-15_00d251d4a994f6737d40e1bb75881909_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	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionReason = "1"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadNetworkName = "Network 3"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionReason = "1"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecisionTime = 402ddd26c307db01	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-c5-ba-58-09-b8\WpadDecision = "0"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00e9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecisionTime = 402ddd26c307db01	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\WpadDecision = "0"	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E17F556E-6CCE-43C4-9277-B81CB987760F}\56-c5-ba-58-09-b8	2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2548

C:\Users\Admin\AppData\Local\Temp\2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_00d251d4a994f6737d40e1bb75881909_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2584

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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