wannacry | c483806aea08e3dbf7d03f4e214c075f8029add04ef2e57856e6e6527478e751

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 04:53

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General

Target

2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Size

3.6MB
MD5

2f793f4d1e74cfca39f0ae07336628b9
SHA1

401f28b1629b95de99b2ead55e1fe8a2500b01e9
SHA256

c483806aea08e3dbf7d03f4e214c075f8029add04ef2e57856e6e6527478e751
SHA512

b57397ce307cf0191543cbd24a773c17bbbaf4a8d0b51a24225412aa945ba35848259ed18fa8e2ad187525775d0d50e708a7f815556b86f7afb41bc6b82fe9de
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG7M+YJuYZa9c8zaZbI9FJGccE:2nAQqMSPbcBVQejI+YV4c/b

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3284) 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
4948	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_2f793f4d1e74cfca39f0ae07336628b9_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_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_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_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3332
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4948

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f793f4d1e74cfca39f0ae07336628b9_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1376

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
ecd438dc96670175359b048538c272ab

SHA1
c8f346302f0b0b4eceea161674f59d392fca7909

SHA256
d1f722d9e0b2525fbd5fb2a340946e433578790e67854fd80abe90761c40f40d

SHA512
7966505d444d617d8395abb07e23d8fc61bc4c6221779984c931712c6048c66e44d24ba3224aa8a0069c7bc855ab443d7d443ebde0cb11ae2a7a77bace15b933

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