wannacry | 27fded33fd06afb39720e7404c26cca08f4836b71dfa7be51134a4be17532ff9

General

Target

2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Size

2.2MB
MD5

4628e121a1ca55ea267f4856a746676e
SHA1

9236ab00b9f5d00822d4f71e341ef3751c7045d7
SHA256

27fded33fd06afb39720e7404c26cca08f4836b71dfa7be51134a4be17532ff9
SHA512

7a857203f035b4d5064599cf81cd8162da32dd880a7412885ddc146e50ff34ff571431ce3af52c20de496448d40c50eb62b389d6185084cee571e526b58e5f83
SSDEEP

49152:QnNQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:QWqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3190) 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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_4628e121a1ca55ea267f4856a746676e_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	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}\WpadDecision = "0"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}\WpadDecisionTime = 5011aff2ff10db01	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}\WpadNetworkName = "Network 3"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-66-11-35-7d-66\WpadDecision = "0"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}\WpadDecisionReason = "1"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{ECD8A8C1-E138-492D-AA7C-91C36501195A}\96-66-11-35-7d-66	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-66-11-35-7d-66\WpadDecisionReason = "1"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-66-11-35-7d-66\WpadDecisionTime = 5011aff2ff10db01	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-66-11-35-7d-66	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2908

C:\Users\Admin\AppData\Local\Temp\2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_4628e121a1ca55ea267f4856a746676e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2852

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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