wannacry | da5064cf78c2e1fa851fe578f183680f6907ebf7be83f7bb36b3f7ec1fc8e210

General

Target

20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Size

2.2MB
MD5

f182da46f16c1ae32145c313092169d5
SHA1

5b0ee7d3f0546318904e45604813d4369a8a9d7c
SHA256

da5064cf78c2e1fa851fe578f183680f6907ebf7be83f7bb36b3f7ec1fc8e210
SHA512

bf2ce0c72c7db77052056582e8f9547653f23af48ddd72114dd49116b91998bb49ac0c65c94b1bab5df06bd58e3d0c92908b4137e07c96539f718f0abb29bf5a
SSDEEP

12288:e1bLgmluCti62ybaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D:QbLgurihdmMSirYbcMNgef0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3293) 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\INetCache\Content.IE5	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	20240927f182da46f16c1ae32145c313092169d5wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	20240927f182da46f16c1ae32145c313092169d5wannacry.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	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240927f182da46f16c1ae32145c313092169d5wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240927f182da46f16c1ae32145c313092169d5wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	20240927f182da46f16c1ae32145c313092169d5wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240927f182da46f16c1ae32145c313092169d5wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240927f182da46f16c1ae32145c313092169d5wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:644

C:\Users\Admin\AppData\Local\Temp\20240927f182da46f16c1ae32145c313092169d5wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240927f182da46f16c1ae32145c313092169d5wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4040

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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