wannacry | 88d3001c80919603444c99abb7f8baac71cdfb462cdc774b1ffd0f530207b90f

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 00:01

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General

Target

2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Size

3.6MB
MD5

67cf84c6f696f331be86e6a1c3996015
SHA1

8b3a691990902dfb5befc956e652123d57270cdc
SHA256

88d3001c80919603444c99abb7f8baac71cdfb462cdc774b1ffd0f530207b90f
SHA512

ab65a7ca7a133e1d2393f01294c02db963eaaee6d97af01c48fcb68d69dba549beeb170641dcd4e4ee5367591d414ebdaa2886684963a80f0fa6de42100b7247
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9AEau3W:XDqPoBhz1aRxcSUDk36SAEdhvxWa9d3W

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3021) 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
4004	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	2024-10-10_67cf84c6f696f331be86e6a1c3996015_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	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1288
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4004

C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_67cf84c6f696f331be86e6a1c3996015_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5028

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
038b07c30cd07228572754f3ce599b04

SHA1
000b864a816450b92f7ca125df1df4a80b3bcbf3

SHA256
9fd96af4c477dfa6bba4a4aebdb50797ced6860a9804333f444039266c625661

SHA512
f5cd46af1b746975459b818e055ae73d0740cc60860b7664a96256bf189847ac113827e7babe9bb74ab2c0e84414f4fd055d7ac2fd551044e6695bfdffc9bbc7

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