wannacry | 09f25ad210afa9eea4107d2ad2199ef99f137178cc5256bd4be99f0e2183a758

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
25-12-2024 15:21

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General

Target

2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Size

3.6MB
MD5

de13956a5cac736442a770c8c1601b4d
SHA1

53e5e7748563d04c9981d7de70803e347247ad38
SHA256

09f25ad210afa9eea4107d2ad2199ef99f137178cc5256bd4be99f0e2183a758
SHA512

7a5ef6389b5c0baf18b05e62a8d16617d3d0beb545d8f20352ebea0592a5c5c764bedfb461a6c96e39f1026da08c7c337318072aac01b3090f957317bfcb7a5b
SSDEEP

98304:XDqPoBhShRxcSUDk36SAEdhvxWa9P593R8yAVp2:XDqPp/xcxk3ZAEUadzR8yc4

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 (3351) 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
1424	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	2024-12-25_de13956a5cac736442a770c8c1601b4d_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	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1812
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1424

C:\Users\Admin\AppData\Local\Temp\2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-25_de13956a5cac736442a770c8c1601b4d_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3664

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
c8fa8ff095b2b8c49125f06f90038f53

SHA1
b0d87a2d5ae37505e291a0885406437e20ff5b0e

SHA256
23cb382449ae26b9b494a89a310ab86ab4827a7f369cc6e65306dab8220d6ec4

SHA512
f632593da57173149d754f0513453cd47ada7115d65171a4e5149bb66e5feffe3c198ad5a20c618a91b4427dbfbb21da2726a527efb64ab598507227413e1301

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