wannacry | 959804ebd32bdd0a7cff3077e595e7498e054f1a7bdefb05e9b05d1184daefd2

Analysis

max time kernel
65s
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
17/04/2025, 11:08

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General

Target

2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Size

3.6MB
MD5

ce8ce0f467a8bd99b76756c5178671fd
SHA1

921f896f8900d6dfb65ab592e468a897c5110e65
SHA256

959804ebd32bdd0a7cff3077e595e7498e054f1a7bdefb05e9b05d1184daefd2
SHA512

b2580ad322a0b2fe84d467eaebc88591ece2b7900ee332b2b51be1cb586376747d8a71079875b642d3368901d4ee68cb88beeeb6b250f8c57188a5d4b060faaf
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAwKrHV7YoGfEau3R8:XDqPoBhz1aRxcSUDk36SAdIYoT3R8

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 (3299) 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
4904	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	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_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	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_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\	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4536
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4904

C:\Users\Admin\AppData\Local\Temp\2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-04-17_ce8ce0f467a8bd99b76756c5178671fd_elex_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3932

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
615ab32316eddb2b0d3614d0b0090047

SHA1
39e679cd562e4de6da204eec4fccec405e910cbd

SHA256
5fdb40f3c027e392ba92eda78db0f04e52c2a8c96a78f3ab6aff85abd89a393d

SHA512
f235a98101d206d9481e401ba42a738b0d58d99ff43872fe37a4628e46f56930d34111c0c7f3fc00dfcf81cb9984fd1b005de6418d428d073a5bcd7f26ce5ff7

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