wannacry | 5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a

General

Target

5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Size

2.2MB
MD5

30530f95e73bb03e52eb2554996d509a
SHA1

8178d0f442b3b186f1e0da15c4524bb044cec6f4
SHA256

5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a
SHA512

32f2acf1b2236a7b015016790d7de21d1f36e18a53817c9b4c496a7114e0312033d064e0dcb477e7281936715402e14a3b6698239b6b5991cf9b2bde3054c3ef
SSDEEP

49152:QnpzMSPbcBVQej/1INgwuqzgX8knK4JKARp:QpzPoBhz1ay

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3122) 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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.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	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe

C:\Users\Admin\AppData\Local\Temp\5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
"C:\Users\Admin\AppData\Local\Temp\5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4936

C:\Users\Admin\AppData\Local\Temp\5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe
C:\Users\Admin\AppData\Local\Temp\5ef8d0008552e723697e9164c8da769099c2833a2fa795208038eb2e1982f94a.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:660

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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