wannacry | 78b96431c6e0c46fb3e197ea17e5e4cea523c7a196a97c14c00fdd1d93924e3f

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
22-12-2024 03:04

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General

Target

2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Size

3.6MB
MD5

d41b55996fe1e2d3bc5849e058ad4583
SHA1

d6e74aed7f07e032c4fbd4a92abd101ec7ced1e4
SHA256

78b96431c6e0c46fb3e197ea17e5e4cea523c7a196a97c14c00fdd1d93924e3f
SHA512

1566efadc9a1dc377aa87d169a65098366eaad9c591212366a8ca2da1f38fa7344aacdb8cdf8483ab020254fbc929a9f724ebc1f857e7d772e6b85441d1396f3
SSDEEP

49152:2nAQcX1HkQo6SAARdhnvxJM0H9PAMEcaEau3R8yAH1plAHI:yDak36SAEdhvxWa9P593R8yAVp2HI

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 (3285) 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
4424	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	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_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	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_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"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4260
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4424

C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-22_d41b55996fe1e2d3bc5849e058ad4583_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1048

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
965fec0a2b5060f77373e476a2b150f2

SHA1
84f07096f9807f6eb677dfbf70ff9e358dde6aa3

SHA256
9a2fea0868d50ee6b3cfe1a9ae92953a7aeb92411aedce278c96be20b8584e78

SHA512
622ab063bff73801a099b42bf5cc2afe3c34c925d35ec22f675489065ebdd1fd1786a5ff8703b1fd2b3bfb039d4caebfa26cef78ab22e4945cd55d13325c6483

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