wannacry | 7e2e04cdc8436e78bd9c4abf6f0ffd3745dc126089229f079664eda0f1de4c6f

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
18/04/2025, 06:37

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General

Target

2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Size

3.6MB
MD5

9ec2e93ec7a03ca304b0109bde5b255b
SHA1

8c3c64b4b8b7bf127d02f45810cb28cdb5055203
SHA256

7e2e04cdc8436e78bd9c4abf6f0ffd3745dc126089229f079664eda0f1de4c6f
SHA512

3987e406b3857a4dfa65cccdd77f9d49382113d9974b31b43469edc002dd95011fd787b5295c9544dfac60d5a80a319cdb7ca98a72cd1541cfdcd0ddc99a8a7a
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626Wo/GsHKLD:2nAQqMSPbcBVQej/1INRAW+GsHw

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 (3058) 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
2340	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	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_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	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1940
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2340

C:\Users\Admin\AppData\Local\Temp\2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-04-18_9ec2e93ec7a03ca304b0109bde5b255b_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5332

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

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
46c11ba10a0f05282fb4caa2e4b1bd3d

SHA1
70c4a0ad3a738c3530302aa51feff2a3c773e292

SHA256
ad8362e2ae450d94d7b7956e24111312cb25145b367c6896925e4483397b22a3

SHA512
0bb3104291e9d41f5559c78486b3ef067972772b92d54031ee477282cb05c74e8f3092690dab6f21a4a2ac78e12da61885a420dee82ebf7eea55940ab5df5b09

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