wannacry | 451ef61eb01255686f9b1fddae48de775ca86debe73fc0d61edd9d75c2d3559f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 17:17

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General

Target

20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Size

5.0MB
MD5

451397223f679cdf2d124d4cb2b92375
SHA1

f4ebd900f995f8f1cf24eaca61380076938431ab
SHA256

451ef61eb01255686f9b1fddae48de775ca86debe73fc0d61edd9d75c2d3559f
SHA512

e895abefcc1657f67ae28b60cdff8f1bc4423026119274e53d488f5685e278d0d2c30c5c693e052f72d3d3ba0376c5c030227e2ceb9a41da2937b0028110a534
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3250) 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

pid	Process
1748	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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	20240924451397223f679cdf2d124d4cb2b92375wannacry.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	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	20240924451397223f679cdf2d124d4cb2b92375wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240924451397223f679cdf2d124d4cb2b92375wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2188
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1748

C:\Users\Admin\AppData\Local\Temp\20240924451397223f679cdf2d124d4cb2b92375wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240924451397223f679cdf2d124d4cb2b92375wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
dda19d185d24135d056385eddde66112

SHA1
5df4808a0486b77967524922649e418453eb28dc

SHA256
60e2e5ea3fb4c34e69571aa68c80ace8a365721954320765bae955744fe9e2d7

SHA512
ce0202f8f074d4b024e8963f5766ad60be509ac4ea2cb17697b620e551b1375d942554537a272a5c91687e3a19a3e6d8d94e483a61e9e7446b86d04214cd7ec2

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