wannacry | 472d6e9632bcc3e42713b861c0ba644baee04cb06164a0c5a53d454a0bb82f35

General

Target

2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Size

5.0MB
MD5

635ed76a50027aa8a4a4fe9c411203d4
SHA1

bc6f57018e0bb5adfdce8059e553d3e3f8560d9d
SHA256

472d6e9632bcc3e42713b861c0ba644baee04cb06164a0c5a53d454a0bb82f35
SHA512

40dc7e992157661cdaad2b7f8cb3cb67ddba89445af60c508cf96e89a91e4c61f7b3a708f7fdb133007e071c0da348c1fe154fc7ccfb38911c31fd43a33dcb5f
SSDEEP

24576:QbLgurgDdmMSirYbcMNgef0fD8kIqRYoAdNLKz662EDx:QnsEMSPbcBVf1INRaD

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 (3281) 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	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\89W43JEY.txt	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\89W43JEY.txt	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\856186C5.txt	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\856186C5.txt	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_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	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-c4-09-7a-68-84\WpadDecisionTime = 40aab0cf0a6cdb01	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}\WpadDecisionTime = 40aab0cf0a6cdb01	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}\WpadDecision = "0"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}\WpadNetworkName = "Network 3"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-c4-09-7a-68-84	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-c4-09-7a-68-84\WpadDecision = "0"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}\a2-c4-09-7a-68-84	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{9F41FD76-6F99-418F-A090-A4A21BA10265}\WpadDecisionReason = "1"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-c4-09-7a-68-84\WpadDecisionReason = "1"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2100

C:\Users\Admin\AppData\Local\Temp\2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-21_635ed76a50027aa8a4a4fe9c411203d4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2092

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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