wannacry | 48364dbea7fac893e0e0ddbbdc2f5a130ad24e4d1ff9f3d2eddc1ddf55ce6c7c

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
12-10-2024 03:45

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General

Target

2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Size

3.6MB
MD5

24f10c2f8221aaffea06713135ae6548
SHA1

12a16ac5c35b3cc29a8d4df1a7a6c8853751ac2d
SHA256

48364dbea7fac893e0e0ddbbdc2f5a130ad24e4d1ff9f3d2eddc1ddf55ce6c7c
SHA512

ccb389b6604b69088cc51483cda22dea1b33aaa344fa1c43dcbf865617dfc28ff08d4882913baa306ba7900345d069ebc038b1716b9227fbab794710e37b13a8
SSDEEP

98304:yDqM31aRxcSUDk36SAEdhvxWa9P593R8yAVbI:yDqY1Cxcxk3ZAEUadzR8ycbI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3197) 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
4476	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	2024-10-12_24f10c2f8221aaffea06713135ae6548_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	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:116
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4476

C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_24f10c2f8221aaffea06713135ae6548_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5004

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
0fff8288fe38a2705cd8155264995d76

SHA1
73b38e58eee6fdd187e42fc31a8434c2bf5f81b5

SHA256
e02ce675af8922a91da2926ff36f64e1fc0feb2b4002cd142dff4e8380552336

SHA512
5052301ecdb339257c4db4522b2c3e8536fc2128370b44d9cc66853e11298e8c29502f76427a60b1a6079c431d78c514d8d2d668de975cdee6e44f38c7e14911

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