wannacry | 3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1d

General

Target

3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Size

5.0MB
MD5

a4b3ba6031f38c5277320bfece936840
SHA1

628df3dd85b8c4ca4b67e68711f116229967f6bd
SHA256

3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1d
SHA512

e6139125aff256febf3d3147fa0bbd85e660c04925a954505110f9726dda2f4ce78a8bed8c30910ed6ca28a14f7d684314147aadde8441783f78f290a444385b
SSDEEP

12288:e1bLgmluCti62ybaIMu7L5NVErCA4z2g6rTcbckP:QbLgurihdmMSirYbc

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 (2402) 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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.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	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe

C:\Users\Admin\AppData\Local\Temp\3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
"C:\Users\Admin\AppData\Local\Temp\3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3716

C:\Users\Admin\AppData\Local\Temp\3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe
C:\Users\Admin\AppData\Local\Temp\3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1dN.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1976

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

Replay Monitor

Loading Replay Monitor...

Downloads