wannacry | 13703dfc771976c620f202be1c4412a983f02e9f8b248639a4db2685b1ef1158

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, 03:45

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General

Target

2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Size

3.6MB
MD5

2ec66c0d1aa6fdb32110e7f6fc3fc318
SHA1

3dc0693d8baa9c6b30e249a527ba20c422c121f7
SHA256

13703dfc771976c620f202be1c4412a983f02e9f8b248639a4db2685b1ef1158
SHA512

0dfe135e3e7481bb62511c7ea1b2f2c42150db2af5e1d6e995387a2baaff4b56753b2f350302893feac3aa13e54ab28ad2f4d0c9981fa99aa9f2fddd1869d6cd
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9PU3R8yAVp2HI:yDqPe1Cxcxk3ZAEUadOR8yc4HI

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 (3337) 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
2372	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_2ec66c0d1aa6fdb32110e7f6fc3fc318_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_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_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\AutoDetect = "0"	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3728
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2372

C:\Users\Admin\AppData\Local\Temp\2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-04-18_2ec66c0d1aa6fdb32110e7f6fc3fc318_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5544

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
af000210c441d8daaeeee531370629bb

SHA1
648926aa2c6c293518826d1faef9b01c6678d2b2

SHA256
fe9565644eae23c31382856b02a5b789fcaea3d89d7599fa0687258ab7f7ac26

SHA512
404b89ae1188e316ed1485d6a73d4c1ed2a63d72a6b365943b11d11f914261ff85061eef54dc428856da6145bc25ee1b6fb457fff64731893fc221aed26cb322

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