wannacry | 369f831056c2f01192c57586d654719ebb92fbbfc4d91679ebcda467bbef30e3

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20250502-en
resource tags

arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
submitted
03/05/2025, 06:39

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General

Target
2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Size 5.0MB
Sample250503-heqrtsslt9
SHA256 369f831056c2f01192c57586d654719ebb92fbbfc4d91679ebcda467bbef30e3
MD5 4a8f98b0af15fb0f22b9e1f9643d0380
SHA1 0d7edcf42fdbfb2bb6a36b0a6c162767044a30e3
SHA512 6a18bf9788db2dd5b0e9859d47a5c90f31a1f113004a47feb06fee82d7660b6db88fe215265559a403ca08f447997c160cdcfd71cf2a88b85582263d43ce313b
SSDEEP 49152:2nAQqMSPbcBVQejUINRx+TSqTdX1HkQo6SAARdhnvb:yDqPoBhIaRxcSUDk36SAEdhvb
MD5 SHA1 SHA512 SSDEEP

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 (3225) 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
2624	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	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_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	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_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"	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2096
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2624

C:\Users\Admin\AppData\Local\Temp\2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-05-03_4a8f98b0af15fb0f22b9e1f9643d0380_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2892

Network

MITRE ATT&CK Enterprise v16

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 d042f1e0ede6b64524c1cc79346753e8dfe3fca7957ad0118f924e3d3ae7c6f4
MD5 103797f8e5af98c129f42e2d5c8556e8
SHA1 354ff42c96322f957673f700e103dc5ad0a7a6a5
SHA512 31516c21a02e2e1637228865831ce2acdad4fd62a965b2e6c6e8f9a2577cd8e9921b60f1c29db46cffb922735f2a98745854f49ea886b481a72b19de4f5e7eed
SSDEEP 49152:nQqMSPbcBVQejUINRx+TSqTdX1HkQo6SAARdhnv:QqPoBhIaRxcSUDk36SAEdhv
MD5 SHA1 SHA512 SSDEEP

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