wannacry | d9c532357e92fa44d0353fbfe2e8418a4201542215c6dcdb0b8c452252facec0

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 00:41

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General

Target

2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Size

3.6MB
MD5

56bd6cd862196718e8eea6419feb7bca
SHA1

5fe5decdace48d7ddbea3f8601a2fde00b96ed0d
SHA256

d9c532357e92fa44d0353fbfe2e8418a4201542215c6dcdb0b8c452252facec0
SHA512

a22b8d932bf975d371602d468190e1f0c7aadbc4dd8b7273ad5595c6d9c592766834de237fecd504d134c5a9cd981c52b4d67ea028b4542ac5c484b74c8059e0
SSDEEP

49152:2nAQqMSPbcBVQej/1INRPvxJMdAMEcaEau3R8yAH1plAHI:yDqPoBhz1aR3xWd593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3291) 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
2788	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	2024-10-11_56bd6cd862196718e8eea6419feb7bca_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	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_56bd6cd862196718e8eea6419feb7bca_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\IntranetName = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2828
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2788

C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1600

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
113f11bc40e47ca8ff018ec317ac3a83

SHA1
69a0ec3fa22246779d7a55f5ad78607140555eb2

SHA256
b0d7a5d1491abfa5ea5b011d02f084e78719dd9a15925a96d3013fc988895bfa

SHA512
fa3d70ad2fa6266118b4f7a047bd515cfff1802dda85897b93061fe3ea2d8f68ed42424be2658c07ad65401b6d6b5653852d1342da1e0d9afc859de6ebb52cde

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