wannacry | 4d4b42d55f16706f4ac9299fc88b337591e93dde680e9bbbd55fc34c18e56072

General

Target

2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Size

2.2MB
MD5

325bc3371ca3a2623fb2d2cb7e0218f5
SHA1

9dab854b9f873e99890a6a15c9db6b86916e8f70
SHA256

4d4b42d55f16706f4ac9299fc88b337591e93dde680e9bbbd55fc34c18e56072
SHA512

f988d1eced48833b8c557eec22c77a6c162734c41ac4fb4a29dfff9eea28af9419e64e635d71d0a9bf4f086c1e84a7085ba57998bff2e3216641e03082d778d9
SSDEEP

49152:QnsQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAYhnvn:Q/qPoBhz1aRxcSUDk36SAYhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2142) amount of remote hosts 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	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_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	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}\WpadDecisionReason = "1"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f018f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-5c-ef-19-e9-1e\WpadDecision = "0"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}\WpadDecisionTime = 50152ebfc4f7da01	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}\WpadDecision = "0"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}\8e-5c-ef-19-e9-1e	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-5c-ef-19-e9-1e\WpadDecisionReason = "1"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-5c-ef-19-e9-1e\WpadDecisionTime = 50152ebfc4f7da01	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5BE32CDC-2319-49F2-A4CF-4820F404DFE5}\WpadNetworkName = "Network 3"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-5c-ef-19-e9-1e	2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2248

C:\Users\Admin\AppData\Local\Temp\2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-26_325bc3371ca3a2623fb2d2cb7e0218f5_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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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