wannacry | 77fec8e220b0956e1e4e3bfe974996da97c4f29e6ec46e66549c844836c8b5a0

General

Target

2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Size

5.0MB
MD5

39869e214743278b37e59b6871299a14
SHA1

49db833e05f3182a379ace160c2d7fdc74f892a6
SHA256

77fec8e220b0956e1e4e3bfe974996da97c4f29e6ec46e66549c844836c8b5a0
SHA512

f5cc65a145eff3a484ea6ef2ac244e841051ae2b9a7300629da03ee14464b766b5e538ba51c3b9e027cf837dfeeb8682ce963601fa1a3b66558c2f733657e1b9
SSDEEP

49152:QnxQqMSPbcBVQej/1INRx+TSqTdX1HkQo6:Q6qPoBhz1aRxcSUDk36

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2149) 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	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-12_39869e214743278b37e59b6871299a14_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	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecisionReason = "1"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecisionTime = b011128b2d05db01	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecision = "0"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\52-e3-80-5d-f3-f8	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f01a5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecisionTime = b011128b2d05db01	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadNetworkName = "Network 3"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\52-e3-80-5d-f3-f8\WpadDecisionReason = "1"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C8224071-DD54-441C-B9EE-6B4E47E1D088}\WpadDecision = "0"	2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1476

C:\Users\Admin\AppData\Local\Temp\2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-12_39869e214743278b37e59b6871299a14_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2824

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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