wannacry | fd93390400287b7e0c4fc1b6c3eda50dff6deda2402e1f7b407ba42fb7bb4d74

General

Target

2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Size

3.6MB
MD5

59a98914278a750a469da01b53db5647
SHA1

a25826a87edf6f3111b880a2b3f294b60d733d02
SHA256

fd93390400287b7e0c4fc1b6c3eda50dff6deda2402e1f7b407ba42fb7bb4d74
SHA512

c6667887fade1cd367f7e58d7da1e07aca5fb6da9a65624e0f0ab10efacbbf6855f2e27aa167a2ca7ec7df8e433aec7ff62a4936db5b851ae04a3f87cd454de7
SSDEEP

49152:2nscSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:ysfoBhz1aRxcSUDk36SAEdhv

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 (3252) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

4912 tasksche.exe
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

pid	process
4912	tasksche.exe

Drops file in System32 directory 4 IoCs

Processes:

2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-02_59a98914278a750a469da01b53db5647_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

Processes:

2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4912

C:\Users\Admin\AppData\Local\Temp\2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-02_59a98914278a750a469da01b53db5647_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1780

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

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Downloads

C:\Windows\tasksche.exe

Filesize
2.0MB

MD5
51d82a9e8de793bbac61aa001ad7d8f9

SHA1
11b684a3695ca7f7f31bd6c35243e03cee6de5a2

SHA256
fbe779d70fc505dd260dbff698e62eeb32e9ffed20f50b2505cb6963bf3a09f1

SHA512
a6fabdfb0e9c768e3f2b5dae420b01fbe62dc2fee7b42a5f22b735d1bdcfb1e6d3bac68c55f484bf52eed4c48c557a427541263d22bcb2ec44723c274e837a77

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads