wannacry | e629d8168c644fe667bc91a40b146758e0c7a5082bb21426b53ecba0a92185ff

General

Target

2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Size

2.2MB
MD5

bcb14dc04c6f984b9b78a9460e225830
SHA1

8411ac9dda466b36e9ecb20bc40bca8b85a59c88
SHA256

e629d8168c644fe667bc91a40b146758e0c7a5082bb21426b53ecba0a92185ff
SHA512

c52cdaa8bd898eff4099e5a2706349c0f44bd5c21cca68d6327e01ee474d1a2bb12a5ca8b7878b3902724393b5360d69901729f136be56a9aa387aa34108a8a9
SSDEEP

24576:QbLgurgQhTdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKzERdhAdmvn:QnsQ2MSPbcBVQej/1INjRdhnvn

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 (3244) 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	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JPN2PZ16.txt	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\JPN2PZ16.txt	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3YB82HI1.txt	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\3YB82HI1.txt	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_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	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_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\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00dc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}\WpadDecisionTime = a06dc4325f6edb01	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-98-81-79-bb-64\WpadDecisionReason = "1"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}\WpadDecision = "0"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}\WpadDecisionReason = "1"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-98-81-79-bb-64\WpadDecision = "0"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}\3a-98-81-79-bb-64	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{91DCB10D-02F0-4FAA-9DE1-5F5E3625B9F5}\WpadNetworkName = "Network 3"	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-98-81-79-bb-64	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-98-81-79-bb-64\WpadDecisionTime = a06dc4325f6edb01	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2244

C:\Users\Admin\AppData\Local\Temp\2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-24_bcb14dc04c6f984b9b78a9460e225830_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2324

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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