wannacry | 7638919a272daf7763dc9f3e53a4f370bc92fd493ea10c8435de57bb7abf8a00

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24-04-2024 04:41

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General

Target

2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Size

2.2MB
MD5

b1b86e25df1cc2ca5a3c5ffc27089d6e
SHA1

4e4b44040b3c10650a6884cedfa58aba74a9e793
SHA256

7638919a272daf7763dc9f3e53a4f370bc92fd493ea10c8435de57bb7abf8a00
SHA512

6551956c1f8d16ef65613859d5db02507f9582d691c6c997c0cac4006d45753516e599221b9b04a6eb5b57cbba70a8e8f3e59293ff7f2f6f0d7e722298fb6cf1
SSDEEP

24576:QbLguEDdmMSiriNieT0QeQjGymiHkQg6eX6SASk+KPzR:QnUEMSUNQejy1HkQo6SAA2zR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3273) 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

Processes:

2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3584

C:\Users\Admin\AppData\Local\Temp\2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-24_b1b86e25df1cc2ca5a3c5ffc27089d6e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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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