wannacry | be05be8741ae0c18a7f8f2bc710d5db71bbfa371f5d69fc961d1aabf9744a6af

General

Target

2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Size

5.0MB
MD5

1b5ab39e42b3f7c672db0b8f0fcb9e16
SHA1

c7db65f82b5396ffa642b0926827e2dd821240a6
SHA256

be05be8741ae0c18a7f8f2bc710d5db71bbfa371f5d69fc961d1aabf9744a6af
SHA512

f54bedecef0050da935b89255151048009a546e84a63cc4e4f3960b4699e60cf32660c074d2c212e93a78ddb72a566a570e8eb826fc4491ef5b878c2a309e464
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrCIai62yV9qbBLIwYQuy8DLq1eNVDvM:GvbLgPluCti62ybaIMu7L5NVE

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 (3365) 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	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_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	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2876

C:\Users\Admin\AppData\Local\Temp\2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-17_1b5ab39e42b3f7c672db0b8f0fcb9e16_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4220

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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