wannacry | 9c8d75e45761108fbcb0fa52dfa69197987f5ebc63546cd85e5b8d7d9828290f

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 09:28

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General

Target

2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Size

3.6MB
MD5

80a3b0e1be457b61423e70189846e2d0
SHA1

b88158935108c040f768861fe3bd14e6b3111b04
SHA256

9c8d75e45761108fbcb0fa52dfa69197987f5ebc63546cd85e5b8d7d9828290f
SHA512

f04339e5cd21c2545ff2af792bb986056bd7963f27f832b0b34da571be8fce93a36d162a1e5e063c588f1826599c5e097d69c9cbc919c9f9a3351f2a7938f8aa
SSDEEP

24576:XbLgddQhfdmMSirYbcMNge71cPXTZd1+IE8SBk4GhGP5qfl8J0ax:XnAQqMSPbcBu1cPoykP5qN8yax

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 (3129) 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
4216	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	2025-01-08_80a3b0e1be457b61423e70189846e2d0_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	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-08_80a3b0e1be457b61423e70189846e2d0_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\UNCAsIntranet = "1"	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4948
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4216

C:\Users\Admin\AppData\Local\Temp\2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-08_80a3b0e1be457b61423e70189846e2d0_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4020

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
6338b8ee8ee2c042f74ccb3e99e7750b

SHA1
dfc909c2be82bc26519b413023e176a648e14c12

SHA256
2bdf03850ae71e1f8610e9b925a449a472b63f61eacbe1651460dc2314006bdb

SHA512
a120254cc5a50f475d5912c9a97c0962712638a89d03768698e501cc53cee3ccfd55d91fe70ea07b9fa68c0389ff6727d085618c406b4d6316f02e0737f9ce36

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