wannacry | 9e18c2f969e23d345abc5007689cbe18fac1d8d1333466055a503d0b746e72bb

General

Target

2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Size

2.2MB
MD5

439e0fef74a091962ec69c04a729e76f
SHA1

d5bf6cbfbc32869d1eeab81d6978b87ab0e8fd75
SHA256

9e18c2f969e23d345abc5007689cbe18fac1d8d1333466055a503d0b746e72bb
SHA512

31bab114966e6673b7bffd23050bfe7a39ea239a1445bb93f3d0d65cbbcddc622b2546de80db5841902c3b7f2aa737db0c0251f89f6d6ff7195ab7a6c83483dc
SSDEEP

24576:QbLgurihdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz66:QnnMSPbcBVQej/1INR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3180) 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\CUOTLVLY.txt	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\9F5QJ0MH.txt	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\9F5QJ0MH.txt	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\CUOTLVLY.txt	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-15_439e0fef74a091962ec69c04a729e76f_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_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}\WpadNetworkName = "Network 3"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}\f6-36-ab-4f-88-ba	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-36-ab-4f-88-ba\WpadDecisionReason = "1"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-36-ab-4f-88-ba\WpadDecisionTime = 2080b1469c07db01	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}\WpadDecision = "0"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-36-ab-4f-88-ba\WpadDecision = "0"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}\WpadDecisionReason = "1"	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}\WpadDecisionTime = 2080b1469c07db01	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-36-ab-4f-88-ba	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA73B1F1-56E9-4EA0-9A8A-C82024284055}	2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2320

C:\Users\Admin\AppData\Local\Temp\2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-15_439e0fef74a091962ec69c04a729e76f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1384

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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