wannacry | 14a1a7df1a277c16701cb0aac74dbdacb787650bd6cccab01374b962c405cdd0

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 04:27

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General

Target

2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Size

3.6MB
MD5

0082e2b290ff79cccd701a3a7522f734
SHA1

a25ad478bb3ec8bbb4d00634957ceba26f2090f6
SHA256

14a1a7df1a277c16701cb0aac74dbdacb787650bd6cccab01374b962c405cdd0
SHA512

f01fbd1bb1181259af76904b5c3a2cb0df948253a7a9d7a27ef078ee80884ccc99b50434a6b5cc1f967e12a6f455a423536baace2793df0d7c31a3f3fecd940b
SSDEEP

49152:2nAQqMSPbcBVQej/1INR2SqTdX1HkQH0AMEcayVnI:yDqPoBhz1aR2SUDkD5/VnI

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 (3312) 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
5572	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	2025-03-27_0082e2b290ff79cccd701a3a7522f734_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	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-27_0082e2b290ff79cccd701a3a7522f734_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"	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5436
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5572

C:\Users\Admin\AppData\Local\Temp\2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-27_0082e2b290ff79cccd701a3a7522f734_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2116

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
848bf9a44139c32ff097793c28f94850

SHA1
54bdbaa9f1d4ba345c505f6e3342d0474aad793c

SHA256
1c18f7b8b3e7485592e6a1c4d4c69145ad649c51c1b44cf887c3566f6e49792d

SHA512
c450814dca450d6ea72f00b20d3fafdac26f9731b1b65ce62498611d57b5521eb41209642e6ba79a58f28c9c6e7b6809098dbca420bd8d501354187e14f83e92

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