wannacry | 560d75be118da75d8cf67f123050a52977ab10dd408ea772d1e3211cd67eb78e

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
19-12-2024 13:02

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General

Target

2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Size

5.0MB
MD5

066d1fc722f2e8bb9b0b939484342bd0
SHA1

c66b583a61b35516f76c395ef642fd5bacf80457
SHA256

560d75be118da75d8cf67f123050a52977ab10dd408ea772d1e3211cd67eb78e
SHA512

88b7a19d659e36df5a70ed24722f35c393e7c44913d28ce95eb226c66e28ac43429b11097b0492f9e5a96724ab55bd2f1933c95f05af365bd563093b77ff740e
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

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 (3331) 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
4664	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	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_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	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_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\AutoDetect = "0"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4656
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4664

C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-19_066d1fc722f2e8bb9b0b939484342bd0_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4504

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
845326dac7b314b1d0d92efbbfa561a7

SHA1
3633a78c43c6a9bb2f7d156a18c8a5e4d02c663f

SHA256
19f8aa01141ea99c57ae3914825af87506f876e5a185de14c86f3c4affdfb1bd

SHA512
42ab47dfd5fda768b7a8321143865cd3a4df96e13aec077de817cc80e39791efd1db9cfa5e541aa5460f6ce79d60cb0e3aebdd8895c9858d2bb5f333e8bbab6f

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