wannacry | 209affcef99b93176553903c505965c959f7017617eaca00c995895a6fe84329

General

Target

2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Size

5.0MB
MD5

283e40d68a47d940e091b310e91e74f1
SHA1

1483e8183732bf54f38f105d5b064cd49f75c38d
SHA256

209affcef99b93176553903c505965c959f7017617eaca00c995895a6fe84329
SHA512

03614bb2480f95077f4a26bfcee7d64f94c72c4817889aa347b66bd8642b104bd2362ff9f0dedc73473daca9bc36a06009761015bec83825edb1c44c15ed0c88
SSDEEP

49152:+nAQqMSPbcBVQej/1INRx+TSqTdX1HkQ1J6v965bn:qDqPoBhz1aRxcSUDkEQv9Sn

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 (3179) 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

Processes:

2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-22_283e40d68a47d940e091b310e91e74f1_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:

2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00be000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}\WpadDecisionTime = c038023bc93cdb01	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-9d-b4-86-2f\WpadDecision = "0"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}\WpadNetworkName = "Network 3"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-9d-b4-86-2f\WpadDecisionReason = "1"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}\WpadDecisionReason = "1"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}\WpadDecision = "0"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-9d-b4-86-2f	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F9466398-6D93-402C-8269-414A1E0EA80B}\3a-43-9d-b4-86-2f	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-43-9d-b4-86-2f\WpadDecisionTime = c038023bc93cdb01	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1996

C:\Users\Admin\AppData\Local\Temp\2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-22_283e40d68a47d940e091b310e91e74f1_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2032

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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